821.
Cell wall is
A
Dead andimpermeable
B
Dead and permeable
C
Living and impermeable
D
Living and selective
Answer :
Dead and permeable
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822.
Mitotic spindle is mainly composed of which protein?
A
Actin
B
Myosin
C
Tubulin
D
Myoglobin
Answer :
Tubulin
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823.
Min components of ribosome are
A
Protein and RNA
B
Sucrose
C
Starch
D
Glycogen
Answer :
Protein and RNA
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824.
In the base sequence of one strand of DNA is GAT, TAG, CAT, GAC what shall be the sequence of its complementary strand
A
CAT, CTG, ATC, GTA
B
GTA, ATC, CTG, GTA
C
ATC, GTA, CTG, GTA
D
CTA, ATC, GTA, CTG
Answer :
CTA, ATC, GTA, CTG
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825.
The point, at which polytene chromosomes appears to be attached together, is called
A
centriole
B
centromere
C
chromomere
D
chromocentre
Answer :
chromocentre
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826.
Arrangement of microtubules in centriole is
A
9+2
B
2+9
C
11+0
D
9+0
Answer :
9+0
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827.
Nucleoproteins are synthesised in
A
nucleoplasm
B
nuclear envelope
C
nucleolus
D
cytoplasm
Answer :
cytoplasm
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828.
In which form, food stored in animals body
A
Glucose
B
Glycogen
C
Cellulose
D
ATP
Answer :
Glycogen
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829.
Who proved DNA as genetic material
A
Griffith
B
Bacteria
C
PPLO
D
Hershey and chase
Answer :
Hershey and chase
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830.
Which of the following disaccharides will give two molecules of glucose on hydrolysation
A
Maltose
B
Sucrose
C
Lactose
D
None of the above
Answer :
Maltose
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