NEET Botany Food Chains & Webs MCQ Question
Which of the following statements about food chains and webs in ecosystems is correct?
Energy flows unidirectionally from producers to consumers.
Decomposers are autotrophs that produce energy from sunlight.
The biomass of consumers always exceeds that of producers.
Food chains only exist in terrestrial ecosystems, not aquatic ones.
Correct Answer
Detailed Explanation
Energy flows unidirectionally from producers to consumers, as described in the text. Decomposers are heterotrophs, and producers typically have a higher biomass than consumers.
Found an issue with this question?
Related Questions
More from Food Chains & Webs
Match Column-I with Column-II. Column-I Column-II (a) Grass (i) Primary Consumer (b) Goat (ii) Decomposer (c) Man (iii) P...
Match Column-I with Column-II. Column-I Column-II (a) Grass (i) Goat (b) Goat (ii) Man (c) Decomposers (iii) Primary Consumers...
Match Column-I with Column-II. Column-I Column-II (a) Grass (i) Primary Consumer (b) Goat (ii) Decomposer (c) Man (iii...
More from
Assertion (A): In an aquatic ecosystem, the grazing food chain (GFC) is the major conduit for energy flow. | Reason (R): The detritus food chain (DFC)...
Match Column-I with Column-II. Column-I Column-II (a) Producers (i) Saprotrophs (b) Primary Consumers (ii) Energy from Sun (c) Decompo...
Assertion (A): The pyramid of biomass can sometimes be inverted in aquatic ecosystems. | Reason (R): Phytoplankton have a smaller standing crop compar...