Question

Q62) Consider the following statements about Fresh weight and dry weight:

i) They are the means to measure the biomass of a species

ii) Dry weight is more accurate means of measurement.

Which of the above statements are true?

• A. a) i only
• B. b) ii only
• C. c) both i and ii
• D. d) none of the above

Answer 1

The correct option is C

c) both i and ii

C)

Explanation:

Each trophic level has a certain mass of living material at a particular time called as thestanding crop. The standing crop is measured as the mass of living organisms (biomass) orthe number in a unit area. The biomass of a species is expressed in terms of fresh or dryweight. Measurement of biomass in terms of dry weight is more accurate.