311.
Self duplication does not occur in
A
Mitochoondria
B
Centrioles
C
Chloroplast
D
Ribosome
Answer :
Ribosome
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312.
Rhizoplasts or rootles are part of
A
Centriole
B
Root hairs
C
Ciliary apparatus
D
Spindle
Answer :
Ciliary apparatus
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313.
Which of following base pair is wrong
A
A-T
B
G-C
C
A-C
D
A-U
Answer :
A-C
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314.
T-RNA attaches, amino acid at its
A
3' end
B
5' end
C
Anticodon
D
Loop
Answer :
3' end
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315.
Which elements occur more in bones
A
Ca and Mg
B
Mg and Mn
C
Ca and P
D
Ca and Fe
Answer :
Ca and P
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316.
DNA is found in
A
ER & Ribosomes
B
Mitochondira, Plastid & nucleolus
C
Spherosome & Peroxysome
D
Plasma membrane & lysosome
Answer :
Mitochondira, Plastid & nucleolus
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317.
Organelle having flattened membrane bound cisternae and lying near the nucleus is
A
golgi apparatus
B
mitochondrion
C
centriole
D
nucleolus
Answer :
golgi apparatus
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318.
Membranous bag with hydrolytic enzymes which is used for controlling intracellular digestion of macro -molecules is
A
endoplasmic reticulum
B
nucleosome
C
lysosome
D
phagosome
Answer :
lysosome
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319.
Golgi apparatus is absent in
A
higher plants
B
yeast
C
bacteria and Blue-green algae
D
none
Answer :
bacteria and Blue-green algae
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320.
Crotenoids composed of units
A
Fatty acids
B
Amino acids
C
Isoprene
D
Pyran
Answer :
Isoprene
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