Question Detail

MIC 121 Protozoa Objective Question
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Question

Most protozoa are uninucleate, but ciliates like Paramecium are binucleate. What is the primary function of the macronucleus in these organisms?
Options
A Controlling reproductive activities and genetic exchange.
B Regulating vegetative (everyday metabolic) activities like feeding and growth.
Correct Answer
C Forming the contractile vacuole for osmoregulation.
D Acting as a temporary storage for food particles.
Correct Answer

Option B is the correct answer.

Detailed Explanation

The text explains: 'Macronucleus: a large nucleus that controls the vegetative (everyday metabolic) activities of the cell, such as feeding, growth, and metabolism.'

Hint

Think about the 'macro-' prefix and what larger, day-to-day functions it might govern.

Question Info

Course: MIC 121
Topic: Protozoa
Type: Objective
Difficulty: Not specified
Question 907 of 984
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