Consider the following statements:

1. Pyramid of Numbers is always upright

2. Pyramid of Energy can be inverted

3. Pyramid of Biomass in aquatic ecosystem is always upright.

Which of the statement(s) given above is/are true?

a) 1 only

b) 1 and 2 only

c) 1 and 3 only

d) None of these

Ans-[D]

Explanation- Pyramid of numbers can be inverted in a forest ecosystem, pyramid of energy is always upright and pyramid of biomass is inverted in aquatic ecosystem. All the 3 statements are false.