Biology

CBSE Ā· English Ā· Class 12 Ā· 16 questions with solutions

Q11SAMEDIUM

What is the difference between artificial & natural ecosystem?

Q12SAMEDIUM

Differentiate between Grazing Food Chain (GFC) and Detritus Food Chain (DFC).

Q13SAMEDIUM

Explain the five steps involved in decomposition.

Q14SAMEDIUM

Why is the Pyramid of Energy always upright, while the Pyramid of Numbers can be inverted?

Q15MCQMEDIUM

What is the second trophic level in a lake ecosystem?

A)

Phytoplankton

B)

Zooplankton

āœ”
C)

Microorganisms

D)

Human

Q16MCQMEDIUM

Which group has the largest population in a food chain?

A)

Producers

B)

Decomposer

āœ”
C)

Herbivores

D)

Carnivorous

Solution:

B

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