CBSE Class 10 Science 2020 · Paper 31/C/1 · Question 10(a)
Consider the following ecosystems :
I. Ponds
II. Forests
III. Aquariums
IV. Crop fields
Out of these, the natural ecosystems are
- (a)I, II and III
- (b)II, III and IV
- (c)I and II only
- (d)I, II and IV
Answer
(c) I and II only
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