MCQs Biological Classification for Class 11 and NEET 2025 / NEET 2026

 

1. Who was the first to attempt a more scientific basis for classification of organisms?

    a. Aristotle 

    b. Linnaeus 

    c. R.H. Whittaker 

    d. Charles Darwin

2. How did Aristotle classify plants?

    a. Into monocots and dicots 

    b. Based on the presence of red blood 

    c. Into trees, shrubs, and herbs 

    d. Based on the mode of reproduction

3. What major characteristic did Aristotle use to classify animals?

    a. Cell structure 

    b. Presence of red blood 

    c. Habitat 

    d. Mode of nutrition

4. Which of the following was a limitation of the two kingdom classification system?

 a. It did not distinguish between plants and animals.

 b. It classified fungi and green plants in the same group.

 c. It considered only the gross morphology of organisms.

 d. Both b and c.

5. The Two Kingdom classification did not distinguish between:

    a. Eukaryotes and prokaryotes 

    b. Photosynthetic and non-photosynthetic organisms 

    c. Unicellular and multicellular organisms 

    d. All of the above

6. Who proposed the Five Kingdom classification system?

    a. Aristotle 

    b. Linnaeus 

    c. R.H. Whittaker 

    d. Haeckel

7. Which kingdom includes all prokaryotic organisms?

    a. Protista 

    b. Monera 

    c. Fungi 

    d. Plantae

8. In which kingdom are unicellular eukaryotic organisms grouped together?

    a. Plantae 

    b. Animalia 

    c. Protista 

    d. Monera

9. What material is found in the cell walls of fungi?

    a. Cellulose 

    b. Chitin 

    c. Peptidoglycan 

    d. Lignin

10. Kingdom Protista has brought together Chlamydomonas and Chlorella with Paramoecium and Amoeba. Chlamydomonas and Chlorella were earlier placed in

    a. Algae

    b. Fungi

    c. Monera

    d. Protista

11. Assertion (A): The Two Kingdom classification system was found to be inadequate.

    Reason (R): It did not distinguish between eukaryotes and prokaryotes.

    a. Both A and R are true, and R is the correct explanation of A. 

    b. Both A and R are true, but R is not the correct explanation of A. 

    c. A is true, but R is false. 

    d. A is false, but R is true.

12. Assertion (A): Fungi were placed in a separate kingdom in the Five Kingdom classification.

    Reason (R): Fungi have chitin in their cell walls, unlike green plants which have cellulosic cell walls.

    a. Both A and R are true, and R is the correct explanation of A. 

    b. Both A and R are true, but R is not the correct explanation of A. 

    c. A is true, but R is false. 

    d. A is false, but R is true.

13. Match the kingdoms with their characteristics:

Kingdom	Characteristics
A. Monera	1. Unicellular prokaryotes
B. Protista	2. Unicellular eukaryotes
C. Fungi	3. Eukaryotes with chitin in cell walls
D. Plantae	4. Multicellular eukaryotes, photosynthetic, cellulose cell walls

.a. A-1, B-2, C-3, D-4 

b. A-2, B-1, C-4, D-3 

c. A-3, B-4, C-1, D-2 

d. A-4, B-3, C-2, D-1

14. Match the scientists with their contributions:

Scientist	Contribution
A. Aristotle	1. Classified plants into trees, shrubs, and herbs
B. Linnaeus	2. Developed the Two Kingdom classification
C. R.H. Whittaker	3. Proposed the Five Kingdom classification
D. Haeckel	4. Proposed the three-domain system

a. A-1, B-2, C-3, D-4 

b. A-2, B-1, C-4, D-3 

c. A-3, B-4, C-1, D-2 

d. A-4, B-3, C-2, D-1

15. Match the organisms with their respective kingdoms:

Organism	Kingdom
A. Chlamydomonas	1. Protista
B. Amoeba	2. Animalia
C. Chlorella	3. Protista
D. Cyanobacteria	4. Monera

a. A-1, B-2, C-3, D-4 

b. A-2, B-1, C-4, D-3 

c. A-3, B-4, C-1, D-2 

d. A-4, B-3, C-2, D-1

 Also Read:

Kingdom Monera - MCQs

Answers:

1. a 

2. c 

3. b 

4. d

5. d 

6. c 

7. b 

8. c 

9. b 

10. a. 

11. a 

12. a 

13. a 

14. a 

15. a