Teaching Bihar STET Paper 1 (माध्यमिक) Mock Test 2024 General Knowledge Ecology and Environment Ecology and Functions of an ecosystem
Given below are two statements, one is labelled as Assertion (A) and the other as Reason (R):
Assertion (A): An ecosystem is a functional unit of nature where living organisms interact among themselves and also with the surrounding physical environment.
Reason (R): There is an exchange of materials and energy within the ecosystem as well as between adjoining ecosystems.
Select the correct answer using the codes given below.
1
Both (A) and (R) are true and (R) is correct explanation of (A)
2
Both (A) and (R) are true, but (R) is not correct explanation of (A)
3
(A) is true, but (R) is false
4
(A) is false, but (R) is true