Cells UPSC Questions

Biology
Cells

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
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