Question

Assertion The pyramid number of pond ecosystem is upright.
Reason Phytoplanktons are maximum and secondary consumers are least in number.
A. Both Assertion and Reason are true and Reason is the cprrect explanation of Assertion
B. Both Assertion and Reason are true, but Reason is not the correct explanation of Assertion
C. Assertion is true, but Reason is false
D. Assertion is false, but Reason is true

Answer 1

Correct Answer - A
The pyramid of pond ecosystem is upright, becaues base of this pyramid is occupied by the maximum number of phytoplanktons (autotrophs) and number of individuals gradually decreases towards primary and secondary consumer respectively.