EASY
10th Chhattisgarh Board
IMPORTANT
Earn 100

Cow feeds on grass. Its dung is used to make dung cakes which are used as fuel. The burning of the dung cakes produce smoke that reaches the atmosphere and the ashes are mixed with soil. This adds nutrients for the grass to grow. This process is an example of-
(a)Food chain
(b)Food web
(c)Nutrient cycle
(d)Life cycle

50% studentsanswered this correctly

Important Questions on Our Environment: Energy Flow in the Ecosystem
EASY
10th Chhattisgarh Board
IMPORTANT
The food chain in a pond starts from some water plants that are eaten by certain fishes those eaten by others extending finally to humans. The energy here from one trophic level to another will-

EASY
10th Chhattisgarh Board
IMPORTANT
The number of organisms in a garden was estimated as 5567 grasses, 453 shrubs, 23 trees and 7769 animals. The primary productivity of this area will be nearly equal to

MEDIUM
10th Chhattisgarh Board
IMPORTANT
A type of fungi is grown on rice husk. We eat fungi. Does it show a food chain? Illustrate the food chain. What is the source of energy for this food chain?

MEDIUM
10th Chhattisgarh Board
IMPORTANT
How does energy flow in any ecosystem? Explain in your own words.

MEDIUM
10th Chhattisgarh Board
IMPORTANT
What will happen if only plants and humans are left on earth as living organisms or biotic component?

MEDIUM
10th Chhattisgarh Board
IMPORTANT
What will happen if the natural flow of energy in an ecosystem is disrupted? Explain with an example.

MEDIUM
10th Chhattisgarh Board
IMPORTANT
How does the availability of energy affect the number of organisms at different trophic levels?

MEDIUM
10th Chhattisgarh Board
IMPORTANT
Site an example where you find the effect of human beings on an ecosystem. Explain why you think so and suggest some means to minimize the same.
