प्रोटोजोआ उत्सर्जी पदार्थों का निष्कासन कैसे करता है ?
(
A)
परासरण द्वारा
(B)
विसरण द्वारा
(C)
अवशोषण द्वारा
(D)
निष्कासन द्वारा
By which process do protozoans excrete the excretory substance ?
(
A)
Osmosis
(B)
Diffusion
(C)
Absorption
(D)
Excretion
Answers
Answered by
2
Answer:
Protozoans : Protozoans have no excretory organs. The metabolic waste products i.e. ammonia is passed out by diffusion through the cell membrane in surrounding water. They carry out the process of excretion with the help of contractile vacuoles.
Answered by
0
Answer: B
Explanation:
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