Biology
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Medium
Question
Which of the following statement about ciliates in incorrect _____________?
A
Contain mainly unicellular organisms.
B
Their contractile vacuole is responsible for water regulation.
C
They are even capable of sexual reproduction.
D
Diploid nucleus being smaller is responsible for cell's metabolism and growth while polyploid nucleus functions in sexual process.
✓ Official correct answer
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A
Contain mainly unicellular organisms.
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B
Their contractile vacuole is responsible for water regulation.
No member explanations yet for this option.
C
They are even capable of sexual reproduction.
No member explanations yet for this option.
D
Diploid nucleus being smaller is responsible for cell's metabolism and growth while polyploid nucleus functions in sexual process.
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Explanation
In ciliates, the larger, polyploid macronucleus controls everyday cell metabolism and growth, while the smaller, diploid micronucleus is involved in genetic exchange during sexual reproduction (conjugation) — the reverse of what is described in this statement, making it incorrect.