By what percentage did biomass reduce as we progress from first to second trophic level?

Important Questions on Our Environment: Energy Flow in the Ecosystem

EASY

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 5 - Our Environment: Energy Flow in the Ecosystem>Exercise>Q 4

What were the maximum no. of trophic levels in the rice farm?

EASY

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 5 - Our Environment: Energy Flow in the Ecosystem>Exercise>Q 1

How many trophic levels do we find in any food chain? Why do you think it is so?

HARD

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 5 - Our Environment: Energy Flow in the Ecosystem>Exercise>Q 2

If in a rice farm there is 5000 kilo calories of energy at the first trophic level or the level of producers, then how many trophic levels will be there till 0.5 kilo calories of energy? Calculate and draw a pyramid to show energy at each trophic level (note that at each trophic level the efficiency of energy conversion is 10%).

EASY

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 5 - Our Environment: Energy Flow in the Ecosystem>Think and discuss>Q 1

Do you think energy is lost or destroyed at each of the trophic levels?

EASY

10th Chhattisgarh Board

IMPORTANT

Science (Theory & Practical) Class-10>Chapter 5 - Our Environment: Energy Flow in the Ecosystem>Think and discuss>Q 2

What do you think is the role of decomposers in the flow of energy?

EASY

10th Chhattisgarh Board