๐ Class 11 Biology Chapter 1: THE LIVING WORLD
NEET Complete Notes (NCERT Based + Hindi Explanation + PYQ Focus + Tricks + Practice Sheet)
Chapter Overview
เคฏเคน Chapter เคชूเคฐे Biology เคा Introduction เคนै।
เคเคธ Chapter เคฎें เคนเคฎ เคธीเคเคคे เคนैं:
✅ Living Organisms
✅ Biodiversity
✅ Taxonomy
✅ Systematics
✅ Binomial Nomenclature
✅ Taxonomic Hierarchy
✅ Taxonomical Aids
Important Scientists
1. Aristotle (Father of Biology)
Aristotle
Contribution
- First scientist to classify animals.
- Classified animals on the basis of habitat.
Hindi
เค เคฐเคธ्เคคू เคो เคीเคตเคตिเค्เคाเคจ (Biology) เคा เคเคจเค เคเคนा เคाเคคा เคนै।
2. Carolus Linnaeus (Father of Taxonomy)
Carolus Linnaeus
Contribution
- Binomial Nomenclature
- Modern Taxonomy
- Book: Systema Naturae
Hindi
เคฒिเคจिเคฏเคธ เคो เคตเคฐ्เคिเคी (Taxonomy) เคा เคเคจเค เคเคนा เคाเคคा เคนै।
NEET Fact
Father of Taxonomy = Linnaeus
What is Living?
NCERT เคा เคธเคฌเคธे เคฎเคนเคค्เคตเคชूเคฐ्เคฃ เคช्เคฐเคถ्เคจ।
Living organisms possess:
- Growth
- Reproduction
- Metabolism
- Cellular Organisation
- Consciousness
1. Growth (เคตृเคฆ्เคงि)
Definition
Increase in mass and number of cells.
Hindi
เคถเคฐीเคฐ เคे เคเคाเคฐ, เคญाเคฐ เคคเคฅा เคोเคถिเคाเคं เคी เคธंเค्เคฏा เคฎें เคตृเคฆ्เคงि เคो Growth เคเคนเคคे เคนैं।
Growth in Plants
Plants show growth throughout life.
Reason
Presence of Meristematic Tissue
Hindi
เคชौเคงे เคीเคตเคจเคญเคฐ เคฌเคข़เคคे เคฐเคนเคคे เคนैं เค्เคฏोंเคि เคเคจเคฎें เคฎेเคฐिเคธ्เคेเคฎ เคเคคเค เคเคชเคธ्เคฅिเคค เคฐเคนเคคे เคนैं।
Growth in Animals
Growth occurs only up to a certain age.
Hindi
เคाเคจเคตเคฐ เคेเคตเคฒ เคเค เคจिเคถ्เคिเคค เคเคฏु เคคเค เคฌเคข़เคคे เคนैं।
NCERT Highlight
Growth in living organisms is intrinsic.
Hindi
เคीเคตों เคฎें เคตृเคฆ्เคงि เค ंเคฆเคฐ เคธे เคนोเคคी เคนै।
NEET Trap
Growth is NOT a defining property of life.
Why?
Mountains also grow.
Sand mounds also grow.
Hindi
เคेเคตเคฒ เคตृเคฆ्เคงि เคो เคीเคตเคจ เคी เคชเคนเคाเคจ เคจเคนीं เคฎाเคจा เคा เคธเคเคคा।
2. Reproduction (เคช्เคฐเคเคจเคจ)
Definition
Production of offspring similar to parents.
Hindi
เค เคชเคจे เคธเคฎाเคจ เคจเค เคธंเคคเคคि เคเคค्เคชเคจ्เคจ เคเคฐเคจे เคी เคช्เคฐเค्เคฐिเคฏा เคช्เคฐเคเคจเคจ เคเคนเคฒाเคคी เคนै।
Asexual Reproduction
Examples
Hydra → Budding
Yeast → Budding
Amoeba → Binary Fission
Planaria → Regeneration
Sexual Reproduction
Fusion of male and female gametes.
Hindi
เคจเคฐ เคเคตं เคฎाเคฆा เคฏुเค्เคฎเคों เคे เคธंเคฒเคฏเคจ เคฆ्เคตाเคฐा เคจเค เคธंเคคเคคि เคा เคจिเคฐ्เคฎाเคฃ।
NCERT Exception
Living organisms that do not reproduce:
- Mule
- Sterile Worker Bee
- Infertile Human Couple
Hindi
เคुเค เคीเคตिเคค เคीเคต เคช्เคฐเคเคจเคจ เคจเคนीं เคเคฐเคคे।
NEET Trap
Reproduction is NOT the defining property of life.
3. Metabolism ⭐ Most Important
Definition
Sum total of all chemical reactions occurring in the body.
Hindi
เคถเคฐीเคฐ เคे เค ंเคฆเคฐ เคนोเคจे เคตाเคฒी เคธเคญी เคฐाเคธाเคฏเคจिเค เค เคญिเค्เคฐिเคฏाเคं เคा เคुเคฒ เคฏोเค Metabolism เคเคนเคฒाเคคा เคนै।
Types of Metabolism
Anabolism
Building Reactions
Examples:
- Photosynthesis
- Protein Synthesis
Hindi
เคोเคे เค เคฃुเคं เคธे เคฌเคก़े เค เคฃुเคं เคा เคจिเคฐ्เคฎाเคฃ।
Catabolism
Breaking Reactions
Examples:
- Digestion
- Respiration
Hindi
เคฌเคก़े เค เคฃुเคं เคा เคूเคเคเคฐ เคोเคे เค เคฃुเคं เคฎें เคฌเคฆเคฒเคจा।
NCERT Golden Line ⭐
Metabolism is the defining feature of all living organisms without exception.
Hindi
เคเคชाเคชเคเคฏ เคीเคตเคจ เคी เคธเคฌเคธे เคฎเคนเคค्เคตเคชूเคฐ्เคฃ เคชเคนเคाเคจ เคนै।
4. Cellular Organisation
Definition
Living organisms are made up of cells.
Hindi
เคธเคญी เคीเคต เคोเคถिเคाเคं เคธे เคฌเคจे เคนोเคคे เคนैं।
Examples
Bacteria → Unicellular
Amoeba → Unicellular
Human → Multicellular
NCERT Line
Cell is the structural and functional unit of life.
Hindi
เคोเคถिเคा เคीเคตเคจ เคी เคธंเคฐเคเคจाเคค्เคฎเค เคเคตं เค्เคฐिเคฏाเคค्เคฎเค เคเคाเค เคนै।
5. Consciousness (เคेเคคเคจा)
Definition
Ability to sense surroundings and respond.
Hindi
เค เคชเคจे เคตाเคคाเคตเคฐเคฃ เคो เคฎเคนเคธूเคธ เคเคฐเคे เคช्เคฐเคคिเค्เคฐिเคฏा เคฆेเคจा।
Example
Mimosa pudica
Hindi
เคुเคเคฎुเค เคूเคจे เคชเคฐ เคชเคค्เคคिเคฏाँ เคฌंเคฆ เคเคฐ เคฒेเคคी เคนै।
Defining Properties of Life
| Character | Defining? |
|---|---|
| Growth | ❌ |
| Reproduction | ❌ |
| Metabolism | ✅ |
| Cellular Organisation | ✅ |
| Consciousness | ✅ |
Trick
MCC
M → Metabolism
C → Cellular Organisation
C → Consciousness
Biodiversity
Definition
Variety and number of organisms present on Earth.
Hindi
เคชृเคฅ्เคตी เคชเคฐ เคเคชเคธ्เคฅिเคค เคीเคตों เคी เคตिเคตिเคงเคคा।
NCERT Fact
Known species = 1.7–1.8 Million
NEET Direct Question
Taxonomy
Definition
Science dealing with:
- Identification
- Nomenclature
- Classification
Hindi
เคीเคตों เคी เคชเคนเคाเคจ, เคจाเคฎเคเคฐเคฃ เคเคตं เคตเคฐ्เคीเคเคฐเคฃ เคा เคตिเค्เคाเคจ।
Systematics
Definition
Taxonomy + Evolutionary Relationship
Hindi
เคตเคฐ्เคिเคी เคे เคธाเคฅ เคตिเคाเคธीเคฏ เคธंเคฌंเคงों เคा เค เคง्เคฏเคฏเคจ।
Difference Between Taxonomy and Systematics
| Taxonomy | Systematics |
|---|---|
| Identification | Identification |
| Nomenclature | Nomenclature |
| Classification | Classification |
| ❌ Evolution | ✅ Evolution |
Taxonomic Categories (Hierarchy)
Definition
Arrangement of categories in a proper sequence.
Hindi
เคตเคฐ्เคीเคเคฐเคฃ เคी เคถ्เคฐेเคฃिเคฏों เคा เค्เคฐเคฎเคฌเคฆ्เคง เคธंเคเค เคจ।
Hierarchy
Kingdom
↓
Phylum / Division
↓
Class
↓
Order
↓
Family
↓
Genus
↓
Species
Trick
King Philip Came Over For Good Soup
Species ⭐ Most Important
Definition
Basic unit of classification.
Hindi
เคตเคฐ्เคीเคเคฐเคฃ เคी เคธเคฌเคธे เคोเคी เคเคตं เคฎूเคฒ เคเคाเค।
Example
Homo sapiens
Genus
Group of related species.
Example
Panthera
- Panthera leo
- Panthera tigris
Family
Group of related genera.
Example
Felidae
Order
Group of related families.
Example
Carnivora
Class
Group of related orders.
Example
Mammalia
Phylum
Group of related classes.
Example
Chordata
Kingdom
Highest taxonomic category.
Example
Animalia
Human Taxonomic Hierarchy
Species → sapiens
Genus → Homo
Family → Hominidae
Order → Primata
Class → Mammalia
Phylum → Chordata
Kingdom → Animalia
Binomial Nomenclature
Given by:
Carolus Linnaeus
Definition
Each organism has a two-word scientific name.
Example
Mangifera indica
Mangifera = Genus
indica = Species
Rules of Binomial Nomenclature
Rule 1
Scientific names are Latinised.
Rule 2
Written in italics.
Rule 3
Genus starts with Capital Letter.
Rule 4
Species starts with Small Letter.
Rule 5
Author's name may be written.
Example:
Mangifera indica Linn.
Taxonomical Aids
Herbarium
Storehouse of dried plant specimens.
NCERT Line
Plants are:
Collected
Pressed
Dried
Mounted
Botanical Garden
Collection of living plants.
Example:
Royal Botanic Gardens, Kew
Museum
Preserved specimens of plants and animals.
Zoological Park
Living animals kept in protected environment.
Key ⭐
Most Important Aid
NCERT Line
Based on contrasting characters.
Hindi
เคตिเคชเคฐीเคค เคฒเค्เคทเคฃों เคชเคฐ เคเคงाเคฐिเคค เคชเคนเคाเคจ เคเคชเคเคฐเคฃ।
Flora
Information about plants of a particular area.
Fauna
Information about animals of a particular area.
Monograph
Detailed account of one taxon.
NCERT One-Liners
✅ Metabolism is the defining feature of life.
✅ Species is the basic unit of classification.
✅ Linnaeus proposed Binomial Nomenclature.
✅ Keys are based on contrasting characters.
✅ Herbarium contains dried plant specimens.
✅ Biodiversity = 1.7–1.8 million known species.
๐ฏ NEET PRACTICE SHEET
MCQs
1. Father of Taxonomy is:
A. Aristotle
B. Darwin
C. Linnaeus
D. Hooker
Answer: C
2. Defining feature of life is:
A. Growth
B. Reproduction
C. Metabolism
D. Movement
Answer: C
3. Basic unit of classification is:
A. Family
B. Genus
C. Species
D. Order
Answer: C
4. Scientific name of Mango is:
A. Mangifera Indica
B. mangifera indica
C. Mangifera indica
D. MANGIFERA INDICA
Answer: C
5. Keys are based on:
A. Similar characters
B. Contrasting characters
C. Habitat
D. Nutrition
Answer: B
Assertion-Reason
6.
Assertion:
Metabolism is the defining feature of life.
Reason:
All living organisms show metabolism.
A. Both true and R explains A ✅
B. Both true but R not explanation
C. A true R false
D. A false R true
Answer: A
7.
Assertion:
Species is the basic unit of classification.
Reason:
Species members can interbreed.
Answer: A
PYQ-Based Important Questions
-
Why is reproduction not considered an all-inclusive defining characteristic of life?
-
Differentiate between taxonomy and systematics.
-
Explain binomial nomenclature with rules.
-
What are taxonomical aids?
-
Why is metabolism considered the defining property of life?
15-Minute Revision Sheet
Father of Biology → Aristotle
Father of Taxonomy → Linnaeus
Defining Property → Metabolism
Basic Unit → Species
Highest Rank → Kingdom
Lowest Rank → Species
Scientific Name of Mango → Mangifera indica
Keys → Contrasting Characters
Herbarium → Dried Plants
Known Species → 1.7–1.8 Million
๐ฏ NEET Weightage: 1–2 questions almost every year directly from NCERT lines, especially Metabolism, Species, Binomial Nomenclature, and Taxonomical Aids.
Class 11 Biology Chapter 1: The Living World
NEET Level MCQs (Q. 1–25)
1. Which one of the following is the defining feature of living organisms?
A. Growth
B. Reproduction
C. Metabolism
D. Movement
✅ Answer: C
2. Growth in living organisms is considered intrinsic because:
A. It occurs due to accumulation on surface
B. It occurs from inside the body
C. It occurs due to external deposition
D. It is absent in plants
✅ Answer: B
3. Which of the following is NOT a defining property of life?
A. Metabolism
B. Cellular organisation
C. Consciousness
D. Growth
✅ Answer: D
4. Which organism reproduces by budding?
A. Amoeba
B. Hydra
C. Plasmodium
D. Paramecium
✅ Answer: B
5. Which statement is correct regarding metabolism?
A. Found only in plants
B. Found only in animals
C. Found in all living organisms
D. Found in both living and non-living
✅ Answer: C
6. Who is known as the Father of Taxonomy?
A. Aristotle
B. Darwin
C. Linnaeus
D. Hooker
✅ Answer: C
7. Binomial nomenclature was proposed by:
A. Darwin
B. Linnaeus
C. Aristotle
D. Whittaker
✅ Answer: B
8. Scientific names are generally written in:
A. Greek
B. English
C. Latinised form
D. Sanskrit
✅ Answer: C
9. In the scientific name Homo sapiens, Homo represents:
A. Family
B. Order
C. Genus
D. Species
✅ Answer: C
10. Species name starts with:
A. Capital letter
B. Small letter
C. Numeral
D. Symbol
✅ Answer: B
11. The basic unit of classification is:
A. Family
B. Species
C. Genus
D. Order
✅ Answer: B
12. Which taxonomic category contains related species?
A. Family
B. Genus
C. Order
D. Class
✅ Answer: B
13. Which taxonomic category is immediately above genus?
A. Family
B. Order
C. Species
D. Class
✅ Answer: A
14. Which category is the highest taxonomic rank?
A. Phylum
B. Kingdom
C. Family
D. Order
✅ Answer: B
15. Which of the following is a taxonomical aid?
A. Herbarium
B. Flora
C. Key
D. All of these
✅ Answer: D
16. Herbarium is a collection of:
A. Living animals
B. Preserved insects
C. Dried plant specimens
D. Living plants
✅ Answer: C
17. Key is based on:
A. Similar characters
B. Contrasting characters
C. Habitat
D. Nutrition
✅ Answer: B
18. Flora provides information about:
A. Animals of an area
B. Plants of an area
C. Microbes of an area
D. Fossils
✅ Answer: B
19. Fauna refers to:
A. Plants
B. Animals
C. Fungi
D. Bacteria
✅ Answer: B
20. Monograph is:
A. List of animals
B. List of plants
C. Detailed account of one taxon
D. Museum catalogue
✅ Answer: C
21. Which one is a sterile organism?
A. Hydra
B. Mule
C. Amoeba
D. Yeast
✅ Answer: B
22. Reproduction cannot be an all-inclusive defining characteristic because:
A. Plants do not reproduce
B. Animals do not reproduce
C. Some living organisms are sterile
D. Microorganisms do not reproduce
✅ Answer: C
23. Human belongs to class:
A. Chordata
B. Mammalia
C. Primata
D. Hominidae
✅ Answer: B
24. The order of humans is:
A. Mammalia
B. Primata
C. Hominidae
D. Homo
✅ Answer: B
25. Which sequence is correct?
A. Species → Genus → Family → Order
B. Family → Species → Order → Genus
C. Order → Species → Family → Genus
D. Genus → Species → Family → Order
✅ Answer: A
Class 11 Biology Chapter 1: The Living World
NEET Level MCQs (Q. 26–50)
26. Which of the following statements is incorrect?
A. Growth is a characteristic of living organisms.
B. Metabolism occurs in all living organisms.
C. Reproduction is a defining property of life.
D. Cellular organization is a characteristic of living organisms.
✅ Answer: C
27. Which among the following shows growth by external addition of material?
A. Human
B. Mango tree
C. Mountain
D. Hydra
✅ Answer: C
28. The term "taxonomy" was derived from:
A. Latin words
B. Greek words
C. Sanskrit words
D. English words
✅ Answer: B
Explanation
Taxis = Arrangement
Nomos = Law
29. Systematics includes:
A. Identification only
B. Nomenclature only
C. Classification only
D. Taxonomy and evolutionary relationships
✅ Answer: D
30. Which scientist proposed the Biological Species Concept?
A. Darwin
B. Ernst Mayr
C. Linnaeus
D. Aristotle
✅ Answer: B
31. Which of the following is correctly matched?
A. Genus – Basic unit
B. Family – Group of orders
C. Species – Basic unit
D. Class – Group of kingdoms
✅ Answer: C
32. Scientific names printed in books are written in:
A. Capital letters
B. Bold letters
C. Italics
D. Underlined
✅ Answer: C
33. When handwritten, scientific names should be:
A. Bold
B. Underlined separately
C. Capitalized
D. Italicized
✅ Answer: B
34. Which one is correctly written?
A. homo sapiens
B. Homo Sapiens
C. Homo sapiens
D. HOMO SAPIENS
✅ Answer: C
35. In Mangifera indica, indica represents:
A. Genus
B. Family
C. Species epithet
D. Kingdom
✅ Answer: C
36. Author citation "Linn." refers to:
A. Aristotle
B. Darwin
C. Linnaeus
D. Hooker
✅ Answer: C
37. Which of the following taxonomic aids contains preserved plant specimens mounted on sheets?
A. Museum
B. Herbarium
C. Zoological Park
D. Flora
✅ Answer: B
38. Which taxonomical aid contains information regarding plants of a specific geographical area?
A. Flora
B. Fauna
C. Key
D. Museum
✅ Answer: A
39. A couplet in a taxonomic key consists of:
A. Similar characters
B. Contrasting characters
C. Common names
D. Scientific names
✅ Answer: B
40. Which one is not a taxonomical aid?
A. Flora
B. Fauna
C. Herbarium
D. Photosynthesis
✅ Answer: D
41. The highest category in taxonomic hierarchy is:
A. Species
B. Family
C. Kingdom
D. Order
✅ Answer: C
42. The smallest category in hierarchy is:
A. Genus
B. Species
C. Family
D. Class
✅ Answer: B
43. Which category contains one or more related genera?
A. Family
B. Order
C. Class
D. Species
✅ Answer: A
44. Related families are grouped into:
A. Class
B. Order
C. Genus
D. Species
✅ Answer: B
45. Related orders are grouped into:
A. Kingdom
B. Family
C. Class
D. Genus
✅ Answer: C
46. Which taxonomic category is represented by Chordata?
A. Class
B. Family
C. Phylum
D. Order
✅ Answer: C
47. In humans, Mammalia represents:
A. Order
B. Family
C. Class
D. Genus
✅ Answer: C
48. Hominidae belongs to:
A. Family
B. Order
C. Genus
D. Species
✅ Answer: A
49. Primata is the:
A. Family of humans
B. Class of humans
C. Order of humans
D. Genus of humans
✅ Answer: C
50. Which of the following sequences is correct?
A. Kingdom → Class → Order → Family → Genus → Species
B. Kingdom → Phylum → Class → Order → Family → Genus → Species
C. Kingdom → Order → Family → Class → Genus → Species
D. Species → Family → Genus → Order → Class → Kingdom
✅ Answer: B
PYQ-Level Assertion–Reason
51.
Assertion (A): Metabolism is the defining feature of living organisms.
Reason (R): All living organisms possess metabolic reactions.
A. Both A and R are true and R explains A
B. Both true but R does not explain A
C. A true, R false
D. A false, R true
✅ Answer: A
52.
Assertion (A): Reproduction is not an all-inclusive defining characteristic of life.
Reason (R): Some living organisms such as mule are sterile.
A. Both A and R are true and R explains A
B. Both true but R does not explain A
C. A true, R false
D. A false, R true
✅ Answer: A
53.
Assertion (A): Growth is a defining property of living organisms.
Reason (R): Mountains also grow by accumulation of materials.
A. Both true
B. A false, R true
C. A true, R false
D. Both false
✅ Answer: B
54.
Assertion (A): Species is the basic unit of classification.
Reason (R): Members of a species can interbreed under natural conditions.
A. Both true and R explains A
B. Both true but R does not explain A
C. A true, R false
D. A false, R true
✅ Answer: A
55.
Assertion (A): Keys are useful taxonomical aids.
Reason (R): Keys are based on contrasting characters.
A. Both true and R explains A
B. Both true but R does not explain A
C. A true, R false
D. A false, R true
✅ Answer: A
๐ NEET Trap Questions
56. Which characteristic is present in all living organisms without exception?
A. Growth
B. Reproduction
C. Consciousness
D. Metabolism
✅ Answer: D
57. Which of the following can occur outside a living body?
A. Consciousness
B. Cellular organization
C. Isolated metabolic reactions
D. Reproduction
✅ Answer: C
58. The taxonomic aid used for identification only is:
A. Flora
B. Fauna
C. Key
D. Monograph
✅ Answer: C
59. The scientific name of mango was given as Mangifera indica Linn. Here Linn refers to:
A. Species
B. Family
C. Scientist who described it
D. Genus
✅ Answer: C
60. The most important and universally accepted taxonomic category is:
A. Family
B. Order
C. Species
D. Genus
✅ Answer: C
Class 11 Biology Chapter 1: The Living World
NEET Level MCQs (Q. 26–50)
26. Which of the following statements is incorrect?
A. Growth is a characteristic of living organisms.
B. Metabolism occurs in all living organisms.
C. Reproduction is a defining property of life.
D. Cellular organization is a characteristic of living organisms.
✅ Answer: C
27. Which among the following shows growth by external addition of material?
A. Human
B. Mango tree
C. Mountain
D. Hydra
✅ Answer: C
28. The term "taxonomy" was derived from:
A. Latin words
B. Greek words
C. Sanskrit words
D. English words
✅ Answer: B
Explanation
Taxis = Arrangement
Nomos = Law
29. Systematics includes:
A. Identification only
B. Nomenclature only
C. Classification only
D. Taxonomy and evolutionary relationships
✅ Answer: D
30. Which scientist proposed the Biological Species Concept?
A. Darwin
B. Ernst Mayr
C. Linnaeus
D. Aristotle
✅ Answer: B
31. Which of the following is correctly matched?
A. Genus – Basic unit
B. Family – Group of orders
C. Species – Basic unit
D. Class – Group of kingdoms
✅ Answer: C
32. Scientific names printed in books are written in:
A. Capital letters
B. Bold letters
C. Italics
D. Underlined
✅ Answer: C
33. When handwritten, scientific names should be:
A. Bold
B. Underlined separately
C. Capitalized
D. Italicized
✅ Answer: B
34. Which one is correctly written?
A. homo sapiens
B. Homo Sapiens
C. Homo sapiens
D. HOMO SAPIENS
✅ Answer: C
35. In Mangifera indica, indica represents:
A. Genus
B. Family
C. Species epithet
D. Kingdom
✅ Answer: C
36. Author citation "Linn." refers to:
A. Aristotle
B. Darwin
C. Linnaeus
D. Hooker
✅ Answer: C
37. Which of the following taxonomic aids contains preserved plant specimens mounted on sheets?
A. Museum
B. Herbarium
C. Zoological Park
D. Flora
✅ Answer: B
38. Which taxonomical aid contains information regarding plants of a specific geographical area?
A. Flora
B. Fauna
C. Key
D. Museum
✅ Answer: A
39. A couplet in a taxonomic key consists of:
A. Similar characters
B. Contrasting characters
C. Common names
D. Scientific names
✅ Answer: B
40. Which one is not a taxonomical aid?
A. Flora
B. Fauna
C. Herbarium
D. Photosynthesis
✅ Answer: D
41. The highest category in taxonomic hierarchy is:
A. Species
B. Family
C. Kingdom
D. Order
✅ Answer: C
42. The smallest category in hierarchy is:
A. Genus
B. Species
C. Family
D. Class
✅ Answer: B
43. Which category contains one or more related genera?
A. Family
B. Order
C. Class
D. Species
✅ Answer: A
44. Related families are grouped into:
A. Class
B. Order
C. Genus
D. Species
✅ Answer: B
45. Related orders are grouped into:
A. Kingdom
B. Family
C. Class
D. Genus
✅ Answer: C
46. Which taxonomic category is represented by Chordata?
A. Class
B. Family
C. Phylum
D. Order
✅ Answer: C
47. In humans, Mammalia represents:
A. Order
B. Family
C. Class
D. Genus
✅ Answer: C
48. Hominidae belongs to:
A. Family
B. Order
C. Genus
D. Species
✅ Answer: A
49. Primata is the:
A. Family of humans
B. Class of humans
C. Order of humans
D. Genus of humans
✅ Answer: C
50. Which of the following sequences is correct?
A. Kingdom → Class → Order → Family → Genus → Species
B. Kingdom → Phylum → Class → Order → Family → Genus → Species
C. Kingdom → Order → Family → Class → Genus → Species
D. Species → Family → Genus → Order → Class → Kingdom
✅ Answer: B
PYQ-Level Assertion–Reason
51.
Assertion (A): Metabolism is the defining feature of living organisms.
Reason (R): All living organisms possess metabolic reactions.
A. Both A and R are true and R explains A
B. Both true but R does not explain A
C. A true, R false
D. A false, R true
✅ Answer: A
52.
Assertion (A): Reproduction is not an all-inclusive defining characteristic of life.
Reason (R): Some living organisms such as mule are sterile.
A. Both A and R are true and R explains A
B. Both true but R does not explain A
C. A true, R false
D. A false, R true
✅ Answer: A
53.
Assertion (A): Growth is a defining property of living organisms.
Reason (R): Mountains also grow by accumulation of materials.
A. Both true
B. A false, R true
C. A true, R false
D. Both false
✅ Answer: B
54.
Assertion (A): Species is the basic unit of classification.
Reason (R): Members of a species can interbreed under natural conditions.
A. Both true and R explains A
B. Both true but R does not explain A
C. A true, R false
D. A false, R true
✅ Answer: A
55.
Assertion (A): Keys are useful taxonomical aids.
Reason (R): Keys are based on contrasting characters.
A. Both true and R explains A
B. Both true but R does not explain A
C. A true, R false
D. A false, R true
✅ Answer: A
๐ NEET Trap Questions
56. Which characteristic is present in all living organisms without exception?
A. Growth
B. Reproduction
C. Consciousness
D. Metabolism
✅ Answer: D
57. Which of the following can occur outside a living body?
A. Consciousness
B. Cellular organization
C. Isolated metabolic reactions
D. Reproduction
✅ Answer: C
58. The taxonomic aid used for identification only is:
A. Flora
B. Fauna
C. Key
D. Monograph
✅ Answer: C
59. The scientific name of mango was given as Mangifera indica Linn. Here Linn refers to:
A. Species
B. Family
C. Scientist who described it
D. Genus
✅ Answer: C
60. The most important and universally accepted taxonomic category is:
A. Family
B. Order
C. Species
D. Genus
✅ Answer: C
Class 11 Biology Chapter 1: The Living World
NEET Level MCQs (Q. 61–80)
61. According to NCERT, which one is the most appropriate defining feature of living organisms?
A. Growth
B. Reproduction
C. Metabolism
D. Consciousness
✅ Answer: C
62. Which of the following statements is correct?
A. All living organisms reproduce.
B. All living organisms grow.
C. All living organisms show metabolism.
D. All living organisms are multicellular.
✅ Answer: C
63. Growth in plants occurs due to:
A. Permanent tissues
B. Meristematic tissues
C. Xylem
D. Phloem
✅ Answer: B
64. Which one does NOT show self-consciousness?
A. Human
B. Monkey
C. Plant
D. Whale
✅ Answer: C
NCERT Fact
Consciousness is present in all living organisms, but self-consciousness is best developed in humans.
65. The study of identification, nomenclature and classification is called:
A. Ecology
B. Taxonomy
C. Cytology
D. Genetics
✅ Answer: B
66. The branch dealing with diversity and evolutionary relationships is:
A. Taxonomy
B. Physiology
C. Systematics
D. Morphology
✅ Answer: C
67. Which one is NOT included in systematics?
A. Identification
B. Classification
C. Evolutionary relationship
D. Digestion
✅ Answer: D
68. "Systema Naturae" was written by:
A. Darwin
B. Linnaeus
C. Aristotle
D. Mayr
✅ Answer: B
69. Which taxonomic category contains the maximum number of organisms?
A. Species
B. Genus
C. Family
D. Kingdom
✅ Answer: D
70. Which category has the least number of organisms?
A. Kingdom
B. Family
C. Genus
D. Species
✅ Answer: D
71. The term "species" was best explained by:
A. Aristotle
B. Linnaeus
C. Ernst Mayr
D. Darwin
✅ Answer: C
72. Which one is correctly matched?
A. Flora – Animals of a region
B. Fauna – Plants of a region
C. Monograph – Detailed account of one taxon
D. Key – Preserved specimens
✅ Answer: C
73. In a herbarium sheet, specimens are:
A. Preserved alive
B. Mounted after drying
C. Kept in cages
D. Frozen
✅ Answer: B
74. Which of the following represents the correct taxonomic hierarchy?
A. Species → Genus → Family → Order
B. Family → Species → Genus → Order
C. Genus → Species → Family → Order
D. Order → Family → Species → Genus
✅ Answer: A
75. Which rank comes immediately below order?
A. Family
B. Class
C. Genus
D. Species
✅ Answer: A
76. Which rank comes immediately above family?
A. Class
B. Order
C. Genus
D. Species
✅ Answer: B
77. Panthera leo and Panthera tigris belong to the same:
A. Family only
B. Genus only
C. Species only
D. Kingdom only
✅ Answer: B
78. Which statement is true?
A. All species of a genus belong to the same family.
B. All families belong to the same genus.
C. All orders belong to the same family.
D. All kingdoms belong to the same phylum.
✅ Answer: A
79. Scientific names are governed by internationally accepted principles to:
A. Increase complexity
B. Avoid confusion
C. Create local names
D. Replace common names
✅ Answer: B
80. The first word of a scientific name indicates:
A. Species
B. Family
C. Genus
D. Order
✅ Answer: C
Statement-Based Questions (81–90)
81. Identify the correct statement.
- Growth is a defining property of life.
- Metabolism is absent in non-living objects.
- Reproduction is an all-inclusive characteristic.
A. 1 only
B. 2 only
C. 1 and 2
D. 2 and 3
✅ Answer: B
82. Which statements are correct?
- Species is the basic unit of classification.
- Genus consists of closely related species.
- Family consists of related genera.
A. 1 only
B. 1 and 2
C. 2 and 3
D. 1, 2 and 3
✅ Answer: D
83. Which of the following are taxonomical aids?
- Herbarium
- Museum
- Botanical Garden
- Key
A. 1 and 2
B. 2 and 3
C. 1, 2, 3 and 4
D. 1 and 4
✅ Answer: C
84. Select the incorrect statement.
A. Flora contains information about plants.
B. Fauna contains information about animals.
C. Key helps in identification.
D. Herbarium contains living plants.
✅ Answer: D
85. Which statements are true regarding scientific names?
- Written in italics when printed.
- Genus begins with capital letter.
- Species begins with small letter.
A. 1 only
B. 2 only
C. 1 and 2
D. 1, 2 and 3
✅ Answer: D
86. Which one is not a characteristic of living organisms?
A. Metabolism
B. Consciousness
C. Cellular organization
D. Crystallization
✅ Answer: D
87. Which statement about mule is correct?
A. It is non-living.
B. It reproduces sexually.
C. It is sterile.
D. It lacks metabolism.
✅ Answer: C
88. Which of the following belong to taxonomic hierarchy?
- Family
- Order
- Class
- Phylum
A. 1 and 2
B. 2 and 3
C. 1, 2, 3 and 4
D. 1 and 4
✅ Answer: C
89. Which taxonomic category includes related families?
A. Class
B. Order
C. Genus
D. Species
✅ Answer: B
90. Which category includes related orders?
A. Family
B. Class
C. Genus
D. Species
✅ Answer: B
NCERT Line-Based Tough Questions (91–100)
91. The number of species known and described worldwide is approximately:
A. 0.5 million
B. 1 million
C. 1.7–1.8 million
D. 5 million
✅ Answer: C
92. Taxonomical studies of all known organisms are useful in:
A. Agriculture only
B. Forestry only
C. Knowing biodiversity
D. Reproduction only
✅ Answer: C
93. Identification of organisms is based on:
A. Characterisation
B. Classification
C. Nomenclature
D. Reproduction
✅ Answer: A
94. Which taxonomic aid provides information for identification of names of species found in an area?
A. Flora
B. Museum
C. Zoo
D. Herbarium
✅ Answer: A
95. In biological nomenclature, each name has:
A. One part
B. Two parts
C. Three parts
D. Four parts
✅ Answer: B
96. The second word in a scientific name denotes:
A. Kingdom
B. Family
C. Specific epithet
D. Genus
✅ Answer: C
97. Which of the following is correctly written?
A. Mangifera Indica
B. mangifera indica
C. Mangifera indica
D. MANGIFERA INDICA
✅ Answer: C
98. Keys are generally analytical in nature because they are based on:
A. Similarities
B. Contrasting characters
C. Habitat
D. Nutrition
✅ Answer: B
99. Zoological parks help in:
A. Preserving dried plants
B. Studying living animals
C. Preserving fossils
D. Scientific naming
✅ Answer: B
100. Which statement is most accurate according to NCERT?
A. Growth is the defining property of life.
B. Reproduction is the defining property of life.
C. Metabolism is the defining feature of all living organisms.
D. Movement is the defining feature of life.
✅ Answer: C
๐ฏ Score Guide (Q. 1–100):
- 90–100 → Excellent NEET Foundation
- 80–89 → Very Good
- 70–79 → Good, revise NCERT lines
- <70 → Re-read NCERT Chapter 1 and redo MCQs
If you want a true NEET challenge, the next set (101–150) can be made AIIMS-level, Assertion–Reason, Match the Columns, Statement I/II, and NCERT hidden-line traps.
Class 11 Biology Chapter 1: The Living World
NEET Advanced MCQs (Q. 101–125)
101. Which of the following is a property of living organisms but not a defining property?
A. Metabolism
B. Cellular organisation
C. Growth
D. Consciousness
✅ Answer: C
102. The sum total of all biochemical reactions taking place in an organism is called:
A. Respiration
B. Digestion
C. Metabolism
D. Reproduction
✅ Answer: C
103. Which of the following may occur outside the body in a test tube?
A. Cellular organisation
B. Isolated metabolic reactions
C. Consciousness
D. Reproduction
✅ Answer: B
NCERT Trap
Individual metabolic reactions can be demonstrated in vitro, but metabolism as a whole occurs only in living systems.
104. Which characteristic distinguishes living organisms from non-living objects most reliably?
A. Growth
B. Reproduction
C. Metabolism
D. Size
✅ Answer: C
105. Which one of the following pairs is correctly matched?
A. Flora – Animals
B. Fauna – Plants
C. Monograph – Detailed account of one taxon
D. Herbarium – Living plants
✅ Answer: C
106. In taxonomy, identification means:
A. Naming an organism
B. Recognizing and assigning an organism to a known taxon
C. Preserving organisms
D. Studying evolution
✅ Answer: B
107. Which taxonomic aid is most useful for identification through successive choices?
A. Flora
B. Key
C. Museum
D. Herbarium
✅ Answer: B
108. A taxonomic key is based on:
A. Common names
B. Contrasting characters
C. Habitat
D. Evolution
✅ Answer: B
109. Which one of the following represents a genus?
A. sapiens
B. Hominidae
C. Homo
D. Mammalia
✅ Answer: C
110. Which one is a family of humans?
A. Homo
B. Hominidae
C. Mammalia
D. Primata
✅ Answer: B
111. Which rank contains organisms with the maximum number of shared characteristics?
A. Kingdom
B. Phylum
C. Genus
D. Species
✅ Answer: D
112. As we move from species to kingdom, the number of common characteristics:
A. Increases
B. Remains same
C. Decreases
D. Doubles
✅ Answer: C
113. As we move from kingdom to species, similarities among organisms:
A. Decrease
B. Increase
C. Remain constant
D. Disappear
✅ Answer: B
114. Which category has the largest number of organisms?
A. Family
B. Genus
C. Species
D. Kingdom
✅ Answer: D
115. Which scientist is credited with introducing binomial nomenclature?
A. Aristotle
B. Darwin
C. Linnaeus
D. Whittaker
✅ Answer: C
116. Which statement is correct regarding scientific names?
A. Both words begin with capital letters.
B. Genus begins with capital letter, species with small letter.
C. Species begins with capital letter.
D. Both begin with small letters.
✅ Answer: B
117. Which one is correctly written?
A. Homo Sapiens
B. homo sapiens
C. Homo sapiens
D. HOMO sapiens
✅ Answer: C
118. The author citation after a scientific name indicates:
A. Habitat
B. Discoverer/describer of species
C. Family
D. Kingdom
✅ Answer: B
119. Which taxonomical aid contains preserved plant specimens arranged systematically?
A. Herbarium
B. Zoo
C. Flora
D. Monograph
✅ Answer: A
120. Which of the following is NOT a taxonomical aid?
A. Museum
B. Flora
C. Photosynthesis
D. Key
✅ Answer: C
Assertion–Reason Questions
121.
Assertion (A): Species is the basic unit of classification.
Reason (R): Organisms within a species show maximum similarity.
A. Both A and R are true and R explains A
B. Both true but R does not explain A
C. A true, R false
D. A false, R true
✅ Answer: A
122.
Assertion (A): Growth cannot be used as a defining property of living organisms.
Reason (R): Non-living objects like mountains may also increase in size.
A. Both A and R are true and R explains A
B. Both true but R does not explain A
C. A true, R false
D. A false, R true
✅ Answer: A
123.
Assertion (A): Reproduction is not an all-inclusive defining characteristic of life.
Reason (R): Some living organisms are sterile.
A. Both A and R are true and R explains A
B. Both true but R does not explain A
C. A true, R false
D. A false, R true
✅ Answer: A
124.
Assertion (A): Keys are analytical in nature.
Reason (R): They are based on contrasting characters arranged in couplets.
A. Both A and R are true and R explains A
B. Both true but R does not explain A
C. A true, R false
D. A false, R true
✅ Answer: A
125.
Assertion (A): Systematics is broader than taxonomy.
Reason (R): Systematics includes evolutionary relationships along with classification.
A. Both A and R are true and R explains A
B. Both true but R does not explain A
C. A true, R false
D. A false, R true
✅ Answer: A
Match the Column (NEET Pattern)
126. Match List I with List II
| List I | List II |
|---|---|
| A. Flora | 1. Animals of an area |
| B. Fauna | 2. Plants of an area |
| C. Herbarium | 3. Dried plant specimens |
| D. Key | 4. Identification tool |
Options:
A. A-2, B-1, C-3, D-4
B. A-1, B-2, C-4, D-3
C. A-2, B-3, C-1, D-4
D. A-4, B-2, C-1, D-3
✅ Answer: A
127. Match the scientist with contribution
| Scientist | Contribution |
|---|---|
| A. Aristotle | 1. Taxonomy |
| B. Linnaeus | 2. Father of Biology |
| C. Ernst Mayr | 3. Biological Species Concept |
Options:
A. A-2, B-1, C-3
B. A-1, B-2, C-3
C. A-2, B-3, C-1
D. A-3, B-1, C-2
✅ Answer: A
128. Which taxonomic category contains related genera?
A. Species
B. Family
C. Order
D. Class
✅ Answer: B
129. Which taxonomic category contains related families?
A. Order
B. Genus
C. Species
D. Kingdom
✅ Answer: A
130. Which statement is correct according to NCERT?
A. Metabolism may occur in non-living systems as an integrated phenomenon.
B. Metabolism is absent in all non-living objects.
C. Growth is the defining feature of life.
D. Reproduction is present in every living organism.
✅ Answer: B
Class 11 Biology Chapter 1: The Living World
NEET Advanced MCQs (Q. 131–150)
131. Consider the following statements:
- Growth is an increase in mass and number of individuals.
- Growth in non-living objects occurs by accumulation of material on the surface.
- Growth is a defining property of living organisms.
Choose the correct option:
A. 1 and 2 only
B. 2 and 3 only
C. 1 and 3 only
D. 1, 2 and 3
✅ Answer: A
132. Which of the following is true regarding living organisms?
A. All living organisms reproduce.
B. All living organisms show metabolism.
C. All living organisms show self-consciousness.
D. All living organisms are multicellular.
✅ Answer: B
133. The scientific name Mangifera indica Linn. contains:
- Genus name
- Specific epithet
- Author citation
A. 1 only
B. 1 and 2 only
C. 2 and 3 only
D. 1, 2 and 3
✅ Answer: D
134. Which one is correctly written according to binomial nomenclature?
A. mangifera indica
B. Mangifera Indica
C. Mangifera indica
D. MANGIFERA INDICA
✅ Answer: C
135. Which taxonomic category represents a group of related classes?
A. Family
B. Order
C. Phylum
D. Genus
✅ Answer: C
136. Which of the following belongs to the order of humans?
A. Homo
B. Hominidae
C. Primata
D. Mammalia
✅ Answer: C
137. Which one is NOT a taxonomic category?
A. Species
B. Genus
C. Herbarium
D. Family
✅ Answer: C
138. Biological names are standardized to:
A. Increase regional diversity
B. Avoid confusion due to local names
C. Replace classification
D. Simplify evolution
✅ Answer: B
139. Which of the following is arranged correctly from lower to higher category?
A. Species → Genus → Family → Order
B. Genus → Species → Family → Order
C. Family → Order → Species → Genus
D. Species → Family → Genus → Order
✅ Answer: A
140. Organisms belonging to the same genus must belong to the same:
A. Species
B. Family
C. Order
D. Class
✅ Answer: B
141. A taxon refers to:
A. A preserved specimen
B. A taxonomic group of any rank
C. A herbarium sheet
D. A scientific name only
✅ Answer: B
142. Which statement is correct?
A. All taxa at higher levels have more similarities.
B. Similarities decrease from species to kingdom.
C. Similarities increase from kingdom to species.
D. Both B and C
✅ Answer: D
143. The number of common characters among organisms is maximum at the level of:
A. Kingdom
B. Phylum
C. Family
D. Species
✅ Answer: D
144. The taxonomic aid that helps identify organisms using contrasting characters is:
A. Museum
B. Key
C. Flora
D. Fauna
✅ Answer: B
145. In a dichotomous key, each step contains:
A. Similar traits
B. Scientific names
C. Couplets
D. Families
✅ Answer: C
146. Which one is a correct statement regarding herbarium?
A. It contains living plants.
B. It contains dried and pressed plant specimens.
C. It contains only seeds.
D. It contains living animals.
✅ Answer: B
147. Which taxonomical aid gives information about plants of a particular area?
A. Fauna
B. Monograph
C. Flora
D. Key
✅ Answer: C
148. Which taxonomical aid provides a detailed account of a single taxon?
A. Flora
B. Fauna
C. Key
D. Monograph
✅ Answer: D
149. Who among the following is associated with the Biological Species Concept?
A. Darwin
B. Linnaeus
C. Ernst Mayr
D. Aristotle
✅ Answer: C
150. Read the following statements:
- Taxonomy includes identification, nomenclature and classification.
- Systematics includes taxonomy and evolutionary relationships.
- Species is the basic unit of classification.
Choose the correct option:
A. 1 and 2 only
B. 2 and 3 only
C. 1 and 3 only
D. 1, 2 and 3
✅ Answer: D
Most Expected NEET Revision Questions (One-Liners)
151. Father of Biology?
✅ Aristotle
152. Father of Taxonomy?
✅ Linnaeus
153. Defining property of life?
✅ Metabolism
154. Basic unit of classification?
✅ Species
155. Highest taxonomic category?
✅ Kingdom
156. Lowest taxonomic category?
✅ Species
157. Scientific name of Mango?
✅ Mangifera indica
158. Key is based on?
✅ Contrasting characters
159. Herbarium contains?
✅ Dried plant specimens
160. Biodiversity known today?
✅ About 1.7–1.8 million species
Important Correction for NEET
เคเค MCQ เคो เค เค्เคธเคฐ เคเคฒเคค เคฌเคจ เคाเคคा เคนै:
"Which is the defining feature of living organisms?"
✔ NCERT answer: Metabolism
เคฒेเคिเคจ เค เคเคฐ เคตिเคเคฒ्เคช เคนों:
- Metabolism
- Consciousness
- Cellular Organisation
เคคो NCERT เคी เคญाเคทा เคे เค เคจुเคธाเคฐ Metabolism เคธเคฌเคธे เคเคชเคฏुเค्เคค เคเคค्เคคเคฐ เคฎाเคจा เคाเคคा เคนै, เค्เคฏोंเคि NCERT เคฎें เคธ्เคชเคท्เค เคฒिเคा เคนै:
"Metabolism is the defining feature of all living organisms without exception."
Class 11 Biology Chapter 1: The Living World
NEET Advanced MCQs (Q. 131–150)
131. Consider the following statements:
- Growth is an increase in mass and number of individuals.
- Growth in non-living objects occurs by accumulation of material on the surface.
- Growth is a defining property of living organisms.
Choose the correct option:
A. 1 and 2 only
B. 2 and 3 only
C. 1 and 3 only
D. 1, 2 and 3
✅ Answer: A
132. Which of the following is true regarding living organisms?
A. All living organisms reproduce.
B. All living organisms show metabolism.
C. All living organisms show self-consciousness.
D. All living organisms are multicellular.
✅ Answer: B
133. The scientific name Mangifera indica Linn. contains:
- Genus name
- Specific epithet
- Author citation
A. 1 only
B. 1 and 2 only
C. 2 and 3 only
D. 1, 2 and 3
✅ Answer: D
134. Which one is correctly written according to binomial nomenclature?
A. mangifera indica
B. Mangifera Indica
C. Mangifera indica
D. MANGIFERA INDICA
✅ Answer: C
135. Which taxonomic category represents a group of related classes?
A. Family
B. Order
C. Phylum
D. Genus
✅ Answer: C
136. Which of the following belongs to the order of humans?
A. Homo
B. Hominidae
C. Primata
D. Mammalia
✅ Answer: C
137. Which one is NOT a taxonomic category?
A. Species
B. Genus
C. Herbarium
D. Family
✅ Answer: C
138. Biological names are standardized to:
A. Increase regional diversity
B. Avoid confusion due to local names
C. Replace classification
D. Simplify evolution
✅ Answer: B
139. Which of the following is arranged correctly from lower to higher category?
A. Species → Genus → Family → Order
B. Genus → Species → Family → Order
C. Family → Order → Species → Genus
D. Species → Family → Genus → Order
✅ Answer: A
140. Organisms belonging to the same genus must belong to the same:
A. Species
B. Family
C. Order
D. Class
✅ Answer: B
141. A taxon refers to:
A. A preserved specimen
B. A taxonomic group of any rank
C. A herbarium sheet
D. A scientific name only
✅ Answer: B
142. Which statement is correct?
A. All taxa at higher levels have more similarities.
B. Similarities decrease from species to kingdom.
C. Similarities increase from kingdom to species.
D. Both B and C
✅ Answer: D
143. The number of common characters among organisms is maximum at the level of:
A. Kingdom
B. Phylum
C. Family
D. Species
✅ Answer: D
144. The taxonomic aid that helps identify organisms using contrasting characters is:
A. Museum
B. Key
C. Flora
D. Fauna
✅ Answer: B
145. In a dichotomous key, each step contains:
A. Similar traits
B. Scientific names
C. Couplets
D. Families
✅ Answer: C
146. Which one is a correct statement regarding herbarium?
A. It contains living plants.
B. It contains dried and pressed plant specimens.
C. It contains only seeds.
D. It contains living animals.
✅ Answer: B
147. Which taxonomical aid gives information about plants of a particular area?
A. Fauna
B. Monograph
C. Flora
D. Key
✅ Answer: C
148. Which taxonomical aid provides a detailed account of a single taxon?
A. Flora
B. Fauna
C. Key
D. Monograph
✅ Answer: D
149. Who among the following is associated with the Biological Species Concept?
A. Darwin
B. Linnaeus
C. Ernst Mayr
D. Aristotle
✅ Answer: C
150. Read the following statements:
- Taxonomy includes identification, nomenclature and classification.
- Systematics includes taxonomy and evolutionary relationships.
- Species is the basic unit of classification.
Choose the correct option:
A. 1 and 2 only
B. 2 and 3 only
C. 1 and 3 only
D. 1, 2 and 3
✅ Answer: D
Most Expected NEET Revision Questions (One-Liners)
151. Father of Biology?
✅ Aristotle
152. Father of Taxonomy?
✅ Linnaeus
153. Defining property of life?
✅ Metabolism
154. Basic unit of classification?
✅ Species
155. Highest taxonomic category?
✅ Kingdom
156. Lowest taxonomic category?
✅ Species
157. Scientific name of Mango?
✅ Mangifera indica
158. Key is based on?
✅ Contrasting characters
159. Herbarium contains?
✅ Dried plant specimens
160. Biodiversity known today?
✅ About 1.7–1.8 million species
Class 11 Biology Chapter 1: The Living World
NEET Master Level MCQs (Q. 161–180)
161. Which one of the following cannot be considered a defining property of living organisms?
A. Metabolism
B. Consciousness
C. Growth
D. Cellular organization
✅ Answer: C
162. Growth from inside due to cell division is called:
A. Extrinsic growth
B. Intrinsic growth
C. Mechanical growth
D. Surface growth
✅ Answer: B
163. Which one of the following is not a living characteristic shared by all organisms?
A. Metabolism
B. Reproduction
C. Cellular organisation
D. Consciousness
✅ Answer: B
NCERT Trap
Some living organisms (e.g., mule) do not reproduce.
164. Taxonomy mainly deals with:
- Identification
- Nomenclature
- Classification
- Evolutionary relationship
A. 1, 2 and 3 only
B. 1, 2 and 4 only
C. 2, 3 and 4 only
D. 1, 2, 3 and 4
✅ Answer: A
165. Which branch includes evolutionary relationships among organisms?
A. Taxonomy
B. Morphology
C. Systematics
D. Physiology
✅ Answer: C
166. The scientific name of man is:
A. Homo Sapiens
B. homo sapiens
C. Homo sapiens
D. HOMO SAPIENS
✅ Answer: C
167. In the scientific name Homo sapiens, sapiens refers to:
A. Genus
B. Family
C. Species epithet
D. Order
✅ Answer: C
168. Which category contains the highest number of similarities?
A. Kingdom
B. Phylum
C. Family
D. Species
✅ Answer: D
169. Which category contains the least number of organisms?
A. Kingdom
B. Class
C. Family
D. Species
✅ Answer: D
170. Which one is correctly arranged in ascending order?
A. Species → Genus → Family → Order
B. Order → Family → Species → Genus
C. Family → Genus → Order → Species
D. Genus → Species → Family → Order
✅ Answer: A
171. Which of the following taxonomic categories is not mandatory in every hierarchy example?
A. Species
B. Family
C. Variety
D. Genus
✅ Answer: C
172. Related genera are grouped into:
A. Species
B. Family
C. Order
D. Class
✅ Answer: B
173. Related families are grouped into:
A. Class
B. Order
C. Kingdom
D. Genus
✅ Answer: B
174. Related orders are grouped into:
A. Family
B. Genus
C. Class
D. Species
✅ Answer: C
175. Related classes form:
A. Order
B. Family
C. Kingdom
D. Phylum
✅ Answer: D
176. Which one of the following is a taxonomic aid?
A. Flora
B. Fauna
C. Monograph
D. All of these
✅ Answer: D
177. Which of the following contains information regarding animals of a particular area?
A. Flora
B. Herbarium
C. Fauna
D. Monograph
✅ Answer: C
178. The collection of dried and pressed plant specimens is known as:
A. Flora
B. Herbarium
C. Museum
D. Arboretum
✅ Answer: B
179. Keys are generally based on:
A. Similar characteristics
B. Contrasting characters
C. Common names
D. Economic importance
✅ Answer: B
180. Which statement is correct?
A. Herbarium contains living animals.
B. Botanical gardens contain dried specimens.
C. Zoological parks help study living animals.
D. Flora contains animal records.
✅ Answer: C
Assertion–Reason (181–190)
181.
Assertion: Species is the basic unit of classification.
Reason: Species members share the highest number of characteristics.
A. Both true and R explains A
B. Both true but R not explanation
C. A true, R false
D. A false, R true
✅ Answer: A
182.
Assertion: Growth is not a defining property of life.
Reason: Mountains also increase in size.
✅ Answer: A
183.
Assertion: Reproduction is not an all-inclusive property.
Reason: Mule is sterile.
✅ Answer: A
184.
Assertion: Metabolism is a defining feature of living organisms.
Reason: All living organisms possess metabolic reactions.
✅ Answer: A
185.
Assertion: Taxonomic keys help in identification.
Reason: Keys are based on contrasting characters.
✅ Answer: A
186.
Assertion: Scientific names are standardized worldwide.
Reason: Common names vary from region to region.
✅ Answer: A
187.
Assertion: Species is the highest taxonomic category.
Reason: Species contains maximum similarities.
A. Both true
B. A true, R false
C. A false, R true
D. Both false
✅ Answer: C
188.
Assertion: Systematics is broader than taxonomy.
Reason: It includes evolutionary relationships.
✅ Answer: A
189.
Assertion: Herbarium is a storehouse of plant specimens.
Reason: Specimens are preserved after drying and pressing.
✅ Answer: A
190.
Assertion: Flora and Fauna are taxonomic aids.
Reason: They provide information about plants and animals of a region.
✅ Answer: A
NEET PYQ-Type Tough Questions (191–200)
191. Which scientist proposed binomial nomenclature?
A. Aristotle
B. Linnaeus
C. Darwin
D. Mayr
✅ Answer: B
192. In biological classification, the category immediately above species is:
A. Family
B. Genus
C. Order
D. Class
✅ Answer: B
193. Which category includes organisms having least number of common characteristics?
A. Kingdom
B. Species
C. Genus
D. Family
✅ Answer: A
194. Which one is not a taxonomic category?
A. Class
B. Family
C. Herbarium
D. Order
✅ Answer: C
195. The study of biodiversity and evolutionary relationships is called:
A. Taxonomy
B. Systematics
C. Ecology
D. Anatomy
✅ Answer: B
196. According to NCERT, the number of identified species is approximately:
A. 0.5 million
B. 1.0 million
C. 1.7–1.8 million
D. 5 million
✅ Answer: C
197. Which taxonomic aid is useful in identification based on contrasting characters?
A. Museum
B. Flora
C. Key
D. Herbarium
✅ Answer: C
198. The scientific name consists of:
A. One word
B. Two words
C. Three words
D. Four words
✅ Answer: B
199. Which one is correctly matched?
A. Flora – Animals
B. Fauna – Plants
C. Herbarium – Dried plants
D. Key – Preserved animals
✅ Answer: C
200. Which statement is most appropriate according to NCERT?
A. Growth is the defining property of life.
B. Reproduction is the defining property of life.
C. Metabolism is the defining feature of living organisms.
D. Movement is the defining property of life.
✅ Answer: C
๐ Q. 1–200 Complete.
If you revise these 200 questions along with NCERT lines, you will have covered nearly all major NEET question patterns from Chapter 1: The Living World.
