MEDIUM
12th CBSE
IMPORTANT
Earn 100

Why is the pyramid of energy always upright? Explain.

Important Questions on Ecosystem

MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 14 - Ecosystem>TEST QUESTIONS>Q 7
“It is possible that a species may occupy more than one trophic level in the same ecosystem at the same time”. Explain with the help of one example.
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 14 - Ecosystem>TEST QUESTIONS>Q 8
Apart from being part of the food chain, predators play other important roles. Mention any two such roles support by example.
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 14 - Ecosystem>TEST QUESTIONS>Q 9
How are productivity, gross productivity, net primary productivity, and secondary productivity inter-related. 
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 14 - Ecosystem>TEST QUESTIONS>Q 1
Construct an ideal pyramid of energy when 1,000,000 joules of sunlight are available. Label all its trophic levels.
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 14 - Ecosystem>TEST QUESTIONS>Q 2
What is primary productivity? Give brief description of factors that affect primary productivity.
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 14 - Ecosystem>TEST QUESTIONS>Q 3
Why are herbivores considered similar to predators in the ecological context?
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 14 - Ecosystem>TEST QUESTIONS>Q 4
What is primary productivity? Why does it vary in different types of ecosystems?
MEDIUM
12th CBSE
IMPORTANT
TRUEMAN'S ELEMENTARY Biology VOL. II For XII Class of 10+2>Chapter 14 - Ecosystem>TEST QUESTIONS>Q 5
State the function of a reservoir in a nutrient cycle. Explain the simplified model of carbon cycle in nature.