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Class 11 Biology MCQ Chapter 2 Biological Classification
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Biological Classification
Chapter – 2
| UNIT – (I) DIVERSITY IN THE LIVING WORLD |
| MCQ |
1. According to Aristotle Chlorella comes under _____________.
(a) Plantae.
(b) Animalia.
(c) Protista.
(d) Plants.
Ans: (d) Plants.
2. Aristotle classified the organisms based on their _____________.
(a) Morphological characteristics.
(b) Cell wall.
(c) Evolutionary relationships.
(d) Method of reproduction.
Ans: (a) Morphological characteristics.
3. Aristotle’s classification of plants is based on the _____________.
(a) Size.
(b) Flowering or non-flowering.
(c) Number of cotyledons present.
(d) Type of roots they have.
Ans: (a) Size.
4. Aristotle’s classification contained _____________.
(a) 5 Kingdoms.
(b) 3 Kingdoms.
(c) 2 Kingdoms.
(d) 4 Kingdoms.
Ans: (c) 2 Kingdoms.
5. Which of the following statements are correct?
(a) Aristotle classified the organisms into 5 kingdoms.
(b) Aristotle’s classification helped in classifying every organism.
(c) It didn’t consider the cell structure of the organism.
(d) It considered the method of reproduction of an organism.
Ans: (c) It didn’t consider the cell structure of the organism.
6. Linnaeus classified organisms into _____________.
(a) Prokaryotes and Eukaryotes.
(b) Monera and Protista.
(c) Bacteria and Non-bacteria.
(d) Plantae and Animalia.
Ans: (d) Plantae and Animalia.
7. Linnaeus classified amoeba under _____________.
(a) Protista.
(b) Animalia.
(c) Monera.
(d) Plantae.
Ans: (b) Animalia.
8. According to Aristotle Chlorella comes under ____________.
(a) Plantae.
(b) Animalia.
(c) Protista.
(d) Plants.
Ans: (d) Plants.
9. Pseudomonas uses _______________.
(a) The parasitic form of nutrition.
(b) The heterotrophic mode of nutrition.
(c) The saprophytic method of nutrition.
(d) The autotrophic mode of nutrition.
Ans: (b) The heterotrophic mode of nutrition.
10. Why is food preserved in a refrigerator safeguarded against fungi?
(a) Fungi cannot flourish in warm environments.
(b) The refrigerator creates a dry, cool environment that prevents the growth of fungus.
(c) The poisonous CFC gas in the refrigerator prevents the growth of fungus.
(d) The gadget uses electricity, which prevents the growth of fungus.
Ans: (b) The refrigerator creates a dry, cool environment that prevents the growth of fungus.
11. Diatoms belong to the following classifications: _______________.
(a) Chrysophytes.
(b) Protozoans.
(c) Dinoflagellates.
(d) Euglenoids.
Ans: (a) Chrysophytes.
12. Which of the following groups of protists resemble animals?
(a) Chrysophytes.
(b) Protozoa.
(c) Dinoflagellates.
(d) Slime moulds.
Ans: (b) Protozoa.
13. Which of the following statements concerning lactobacilli is false?
(a) They are rod-shaped bacteria.
(b) They are parasites.
(c ) They are also helpful in wine production industries.
(d) They cause curd to form when milk is exposed to them.
Ans: (b) They are parasites.
14. Diatoms belong to the following classifications: ____________.
(a) Chrysophytes.
(b) Protozoans.
(c) Dianoflagelletes.
(d) Euglenoids.
Ans: (a) Chrysophytes.
15. Which group of organisms includes both unicellular and multicellular organisms?
(a) Fungi.
(b) Monera.
(c) Protista.
(d) Plantae.
Ans: (a) Fungi.
