NEET Botany Food Chains & Webs Assertion Reason Question
Assertion (A): In terrestrial ecosystems, more energy flows through the detritus food chain than the grazing food chain.
Reason (R): Decomposers in the detritus food chain break down dead organic matter into simple inorganic materials.
Both A and R are true, and R is the correct explanation of A.
Both A and R are true, but R is not the correct explanation of A.
A is true, but R is false.
A is false.
Correct Answer
Detailed Explanation
In terrestrial ecosystems, a larger fraction of energy flows through the detritus food chain because decomposers break down dead organic matter, as mentioned in the NCERT context.
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...