Question

18(ii) The average of of food eaten is turned into an
available for the next level of consumers.
(a) 10%
(b)20%
(c)30%
(d)25%
18(iii) Energy flow diagram shows that
(a) Energy flow is unidirectional
(b) Energy captured by autotrophs does not reverse back to the solar input.
(C) Energy passed to herbivores does not reverse back to autotrophs
(d)all of these
18(iv) Which of the following constitute a food chain?
(e) Grass, wheat, mango
(f) Grass, fish, goat
(g) Goat, cow, elephant
(h) Grass, goat, human
18(v) Which among the following is an artificial ecosystem?
(e) Desert
(f) Lake
(g) Crop field
(h) Forest
​

Answer 1

Answer:

18 (iv)

(h) grass,goat ,human

18 (v)

(g) cropfield