521.
Father of modern cytology
A
Leeuwen hoek
B
Robert Hooke
C
C. P. Swason
D
A. K. Sharma
Answer :
C. P. Swason
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522.
Which of the following statement regarding mitochondrial membrane is not correct?
A
The enzymes of the electron transfer chain are embedded in the outer membrane
B
The inner membrane is highly convoluted forming a series of infoldings
C
The outer membrane resembles a sieve
D
The outer membrane is permeable to all kinds of molecules
Answer :
The enzymes of the electron transfer chain are embedded in the outer membrane
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523.
Which of the following statements regarding mitochondrial membrane is not cerrect
A
The outer membrane resmbles a sieve
B
The outer membrane is permeable to all kinds of molecules.
C
The enzyles of electrone transfer chain areembedded in the outer membrane.
D
The inner membranand is highly convoluted forming a series of infoldings .
Answer :
The enzyles of electrone transfer chain areembedded in the outer membrane.
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524.
Semiconservation replication of DNA was given by
A
Watson and Crick
B
Bateson and Punnett
C
Messelson and Stahi
D
Avery, McCarty and Mactleod
Answer :
Watson and Crick
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525.
A higher nucleotide is a nucleotide having
A
Higher molecular weight
B
More than one phosphate redicle
C
More than one nitrogen base
D
More than one sugar residue
Answer :
More than one phosphate redicle
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526.
Physical basis of life is
A
Cytoplasm
B
Protoplasm
C
Nuceloplasm
D
Endoplasm
Answer :
Protoplasm
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527.
Which is correct about cell theory in view of current status of our knowledge about cell structure
A
It needs modification due to discovery of subcellular structures like chloroplasts and mitochondria
B
Modified cell theory means that all living beings are composed of cells capable of reproducing
C
Cell theory does not hold good because all living beings (e.g., viruses) do not have cellular organisation
D
Cell theory means that all living objects consist of cells whether or not capable of reproducing
Answer :
Cell theory does not hold good because all living beings (e.g., viruses) do not have cellular organisation
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528.
Smell in protoplasm is like
A
NH3
B
SO2
C
Garlic
D
None of the above
Answer :
None of the above
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529.
Amylose and Amylopectin chains occur in
A
Glycogen
B
Starch
C
Cellulose
D
Chitin
Answer :
Starch
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530.
Procaryotic cell is characterised by
A
Presence of nucleus, mitochondria and plastids
B
Absence of cell wall, DNA fibrils and plastids
C
Presence of spindle tibres, DNA fibrils and golgi bodies
D
Absence of endoplamic retcilulum, golgi bodies and spindle fibres.
Answer :
Absence of endoplamic retcilulum, golgi bodies and spindle fibres.
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