MCQs on Heterotrophic Nutrition for NEET

The type of nutrition in which organisms depend on other entities for food requirements in order to survive is known as heterotrophic nutrition. Such entities are necessitated to consume all the organic substances essential for survival.

1. Absorptive heterotrophic nutrition is exhibited by

(a) fungi

(b) algae

(c) pteridophytes

(d) bryophytes

Answer: (a)

2. The mode of nutrition in which one organism obtains nutrition from other organisms is known as

(a) symbiosis

(b) autotrophic nutrition

(c) saprophytic nutrition

(d) heterotrophic nutrition

Answer: (d)

3. Heterotrophic nutrition is

(a) oxidation of glucose

(b) breakdown of glucose into energy

(c) utilization of energy obtained by plants

(d) all the above

Answer: (d)

4. The parasitic fungus which destroys wheat plant is

(a) lice

(b) leech

(c) cuscuta

(d) Puccinia

Answer: (d)

5. Assertion: mode of nutrition in higher animals is heterotrophic

Reason: Animals can use different trophic levels for heterotrophic nutrition

(a) if the assertion is true but reason is false

(b) if both assertion and reason are true and reason is correct explanation of assertion

(c) if both assertion and reason are false

(d) if both assertion and reason are true but reason is not correct explanation of assertion

Answer: (d)

6. The mutualistic association between certain fungi and roots of vascular plants are known as

(a) haustoria

(b) mycelium

(c) rhizoids

(d) mycorrhizae

Answer: (d)

7. What is the mode of nutrition in bacteria?

(a) heterotrophic

(b) autotrophic

(c) autotrophic and heterotrophic

(d) none of the above

Answer: (c)

8. Digestion of food in amoeba occurs in

(a) cytoplasm

(b) nucleus

(c) food vacuole

(d) none of the above

Answer: (c)

9. The mode of nutrition in fungi

(a) saprotrophic or parasitic

(b) only parasitic

(c) only saprotrophic

(d) none of above

10. A stable ecosystem is maintained with the interaction of

(a) predators

(b) prey

(c) animals-human

(d) predator-prey

Answer: (d)

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