281.
Which sugar occurs only in mammals
A
Trehalose
B
Galactose
C
Lactose
D
Mannose
Answer :
Lactose
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282.
Similarity in DNA and RNA
A
Both are polymer of nucleotides
B
Both have similar pyrimidine
C
Both have similar sugar
D
Both are genetic material
Answer :
Both are polymer of nucleotides
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283.
In chloroplasts, chlorophyll is present in the
A
outer membrane
B
inner membrane
C
thylakoids
D
stroma
Answer :
thylakoids
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284.
The main organelle incolced in modification and routing of synthesized proteins to their destinations is
A
Endoplamic Reticulum
B
Lysosome
C
Mitochondria
D
Chioroplast
Answer :
Endoplamic Reticulum
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285.
According of fluid mosaic model, plasma membrane is composed of
A
phospholipids and oligosaccharides
B
phospholipids and hemicellulose
C
phospholipids and integral proteins
D
phospholipids, extrinsic proteins and intrinsic proteins
Answer :
phospholipids, extrinsic proteins and intrinsic proteins
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286.
By the process of lignification cell become
A
More active
B
Less active
C
Dead
D
Actively dividing
Answer :
Dead
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287.
The nucleolar chromatin contains gene for
A
B-DNA
B
Z-DNA
C
R-RNA
D
Satellite-DNA
Answer :
R-RNA
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288.
Which of the following pair lack the unit membrane
A
Nucleolus & E. R.
B
Ribosome & chioroplast
C
Ribosome & nucleolus
D
Golgi body & lysosome
Answer :
Ribosome & nucleolus
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289.
The golgi components ara bound by
A
Single unit membrane
B
Double unt membrane
C
Cisternae by single, tubules and vacuole by double
D
Cistrnae and tubules by single and vacuole by double
Answer :
Single unit membrane
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290.
Which is odd one
A
Chitin Carbohydrates
B
Pectin - Protein
C
Steriod - Lipid
D
Wx - Lipid
Answer :
Pectin - Protein
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