Neet Solved Paper 2015 Question 44

Question: The mass of living material at a tropic level at a particular time is called

Options:

A) gross primary productivity

B) standing state

C) net primary productivity

D) standing crop

Show Answer

Answer:

Correct Answer: B

Solution:

  • The total dried biomass of living organisms present at a trophic level at a particular time is known as standing crop. Standing state is the amount of inorganic nutrients present any time in the soil or water of ecosystem. The gross primary productivity is the total organic matter synthesised by producers during photosynthesis per unit time and area while net primary productivity is weight of organic matter stored by producers in unit area/volume per unit time.