1 Answers
The organelle responsible for osmoregulation in Paramecium is…
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The organelle responsible for osmoregulation in Paramecium is
A. flame cell
B. nephridia
C. contractile vacuole
D. malpighian tubule
QUICK ANSWER…
C
DETAILS…
Osmoregulation is the process of maintaining appropriate balance of fluid and salt concentration between internal and external environment of a cell. Paramecium uses osmoregulation to remove metabolic wastes.
Now for the right answer to the above question:
- Flame cell is the excretory organ of a flatworm and not paramecium. so, A is quite incorrect.
- Nephridia is the excretory organ of earthworms. B is also incorrect.
- Contractile vacuole is a specialized organelle responsible for osmoregulation in one-celled organisms like paramecium, and amoeba. C is very correct.
- D is incorrect; the malpighian tubule is the principal excretory organ of insects.
QUICK ADVICE…
You may please note that:
- Flatworms uses flame cells as well as nephridia to remove wastes.
Use the questions and answers session to raise further questions on this topic…
/ culled from 2017 JAMB-UTME biology question 6 /
