Cells UPSC Questions

Biology

Cells MCQ Questions


7.
Which component is absent in prokaryotic cells but present in eukaryotic cells?
A.
Ribosomes
B.
DNA
C.
Nuclear envelope
D.
Cell wall
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ANSWER :
C. Nuclear envelope
8.
The smallest cell among the following is:
A.
Ostrich egg
B.
Red blood cell
C.
Mycoplasma
D.
Bacteria
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ANSWER :
C. Mycoplasma
9.
Which organelle is responsible for synthesis of steroidal hormones?
A.
Rough ER
B.
Smooth ER
C.
Golgi body
D.
Lysosome
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ANSWER :
B. Smooth ER
10.
Which pigment is present in chromoplasts?
A.
Chlorophyll
B.
Hemoglobin
C.
Carotenoids
D.
Myoglobin
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ANSWER :
C. Carotenoids
11.
Which structure connects the thylakoids of different grana in chloroplasts?
A.
Stroma
B.
Cristae
C.
Stroma lamellae
D.
Cisternae
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ANSWER :
C. Stroma lamellae
12.
Which of the following organelles is involved in packaging materials for secretion?
A.
Endoplasmic reticulum
B.
Golgi apparatus
C.
Lysosome
D.
Ribosome
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ANSWER :
B. Golgi apparatus