Q. Consider the following statements:

1. The biomass of a species is expressed in terms of fresh or dry weight.
2. The standing crop is mass of living material at a particular time in a trophic level.

Which of the above is / are correct?
Answer: Both 1 and 2
Notes: Each trophic level has a certain mass of living material at a particular time called as the standing crop. The standing crop is measured as the mass of living organisms (biomass) or the number in a unit area. The biomass of a species is expressed in terms of fresh or dry weight. Measurement of biomass in terms of dry weight is more accurate.

This question is part of UPSC Daily 20 MCQ Series Course on GKToday Android app.