731. Lamellae of chloroplast are known as

A Granum
B Frets
C Thylakoids
D Stroma lamellae
Answer :   Thylakoids
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732. In order to find out quickly whether the cells are licing one must observe

A Cell sap
B Tonoplast
C Movementofcytoplasm
D Starch granules
Answer :   Movementofcytoplasm
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733. Which of the following are not membrane- bound?

A Ribosomes
B Lysosomes
C Mesosomes
D Vacuoles
Answer :   Ribosomes
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734. DNA directed synthesis of m-RNA i called

A Transcription
B Translocation
C Transduction
D Replication
Answer :   Transcription
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735. Nuclear mebrane is absent in

A Penicillium
B Agaricus
C Volvox
D Nostoc
Answer :   Nostoc
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736. The plasma membrane consists mainly of:

A phospholipids embedded in a protein bilayer
B proteins embedded in a phospholipid bilayer
C proteins embedded in a polymer of glucose molecules
D proteins embedded in a carbohydrate bilayer
Answer :   proteins embedded in a phospholipid bilayer
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737. In the DNA of an animal percentage of Adenine is 30 then percentage of Guanine will be

A 40
B 30
C 20
D 70
Answer :   20
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738. Cell wall of lignified cell is

A Semipermeable and dead
B Permeable and living
C Impemeable and dead
D Impermeable and living
Answer :   Impemeable and dead
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739. Back bone in structure of DNA molecule is made

A Pentose Sugar and phosphate
B Hexone sugar and phosphate
C Purine and pyrimidine
D Sugar and phosphate
Answer :   Pentose Sugar and phosphate
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740. The desmosomes are concerned with

A cytolysis
B cell division
C cell adherence
D cellular excretion
Answer :   cell adherence
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