MEDIUM
12th CBSE
IMPORTANT
Earn 100

In the Northeast region of India, during the process of Jhum cultivation, the forests are cleared by burning and left for regrowth after a year of cultivation. How would you explain the regrowth of forest in the ecological term?

Important Questions on Ecosystem

MEDIUM
12th CBSE
IMPORTANT

Climax stage is achieved quickly in secondary succession as compared to primary succession. Why?

EASY
12th CBSE
IMPORTANT
Among bryophytes, lichens and fern, which one is a pioneer species in a xeric succession?
EASY
12th CBSE
IMPORTANT
What is the ultimate source of energy for the ecosystems?
MEDIUM
12th CBSE
IMPORTANT
Is the common edible mushroom an autotroph or a heterotroph?
HARD
12th CBSE
IMPORTANT
Why are oceans least productive?
EASY
12th CBSE
IMPORTANT
Why is the rate of assimilation of energy at the herbivore level called secondary productivity?
EASY
12th CBSE
IMPORTANT
Why are nutrient cycles in nature called biogeochemical cycles?
EASY
12th CBSE
IMPORTANT
Give any two examples of xerarch succession.