Free Ecosystem (Daily Quiz: 2) NEET Biology Questions & Answers with Detailed Explanation & Full Review

Question-1

Cause of mimicry is

(a) protection (defence)

(b) attack (offence)

(c) Both (a) and (b)

(d) isolation

Question-2

Two food chains are given below.

1. Tree → aphid → insectivorous bird → prey feed on bird
2. Phytoplankton → zooplankton → plankton feeding fish → carnivorous fish

Which diagram is a pyramid of energy representing both food chains?

(a) (a)

(b) (b)

(c) (c)

(d) (d)

Question-3

Which of the following include (s) ecosystem services ?

1. Purification of air and water by forests
2. Forests mitigate droughts and flood
3. Forests act as storehouse of carbon
4. Forests influence hydrological cycle

(a) 1 and 4

(b) 1 and 3

(c) 1, 2 and 3

(d) All of these

Question-4

Consider the following statements.

1. In a terrestrial ecosystem, major producers are herbaceous and woody plants.
2. In an aquatic ecosystems, species like phytoplankton, algae and higher plants are producers.
3. Primary consumers are herbivores.
4. Primary carnivores are secondary consumers.

Choose the option with correct statements.

(a) III and IV

(b) I and II

(c) I and III

(d) I, II, III and IV

Question-5

How much of the net primary productivity of a terrestrial ecosystem is eaten and digested by herbivores?

(a) 10%

(b) 1%

(c) 40%

(d) 90%