set 2 MCQ Questions & Answers Detailed Explanation

Question : 1

Which of the following statement is incorrect ?

a) Bacteria are 3 to 5 µm in size.

b) Mycoplasma is the smallest cell (0.3 µ).

c) The largest cell is the egg of an ostrich.

d) Nerve cells are some of the smallest cells.

Question : 2

What part of the cell serves as the intracellular highway?

a) Golgi apparatus

b) Endoplasmic reticulum

c) Cell membrane

d) Mitochondria

Question : 3

Which phase of cell cycle is known as quiescent stage ?

a) G0 phase

b) M phase

c) G1 phase

d) S phase

Question : 4

Crossing over occurs during

a) pachytene

b) leptotene

c) diplotene

d) diakinesis

Question : 5

Nucleolus is

a) rounded structure inside nucleus and having rRNA.

b) rounded structure found in cytoplasm near nucleus.

c) rod-shaped structure in cytoplasm near the nucleus.

d) none of the above.

Question : 6

Difference between the prokaryotic and eukaryotic cells is in having

a) ribosome

b) nuclear membrane

c) cell wall

d) None of these