state gov APPSC (ఆంధ్రప్రదేశ్) Group 2 (Pre + Mains) Mock Test 2023 General Science Biology Ecology & Environment
Read the following statements :
a. The tendency of pollutants like lead to concentrate as it moves from one trophic level to the next referred to as 'Bioaccumulation'.
b. In marine ecosystem, the biomass of producers is less than that of primary consumers.
c. The flow of energy from one trophic level to next is associated with loss of energy.
Which of the above statements is/are correct ?
1
a and c
2
c only
3
a and b
4
b and c