Assertion (A) : In unicellular organisms, the main excretion takes place by simple diffusion
through body surface.
Reason (R) : No specific excretory organs are present in unicellular organisms.
A) Both A and R are true and R is the correct explanation of A
B) Both A and R are true but R is not the correct explanation of A
C) A is true but R is false
D) A is false but R is true
Answers
Answered by
1
Answer:
I think the A option is the correct one
Answered by
1
Answer:
a
Explanation:
this due to the complex behaviour of each metabolism performed by single cell there is no such excretory organ and generally excretion occurs by substances diffusing out through cell membrane/wall
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