Agricultural Biotechnology MCQ Question and Answer

1

In trp operon, attenuation occurs due to hair pin loop formation between

A) 1 - 2 leader sequence B) 2 - 3 leader sequence C) 3 - 4 leader sequence D) 3 - 5 leader sequence

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Answer & Solution

Answer: Option C

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2

Choose the correct statement.

A) The longer the chain length, the higher will be the melting point. B) The shorter the chain length higher will be the melting point. C) Greater the degree of unsaturation lower will be the melting point. D) Both A and C

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Answer: Option D

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3

A method used to insert DNA molecules into cells by using short electrical impulses is known as

A) Biolistics B) Microinjection C) Liposomes D) Electroporation

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Answer & Solution

Answer: Option D

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4

Golden rice was developed by

A) G. S. Khush B) Ingo Potrykis C) Alec Jaffery D) M. S. Swaminathan

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Answer & Solution

Answer: Option B

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5

DNA replication takes place in

A) 5'-3' direction in leading and lagging strand B) 5'-3' direction in leading strand and 3'-5'direction in lagging strand C) 5'-3' direction in lagging strand and 3'-5'direction in leading strand D) None of the above

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Answer & Solution

Answer: Option A

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6

Which bond in the DNA provides it the backbone?

A) Glycosidic bond B) Phosphodiester bond C) H-bond D) Peptide bond

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Answer & Solution

Answer: Option B

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7

Cryopreservation refers to germplasm protection by

A) Reducing in moisture B) Tissue culture C) Low temperature treatmant D) Breeding with wild varieties

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Answer & Solution

Answer: Option C

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8

The fundamental unit of tertiary structure is

A) Motif B) Domain C) Helix D) All of the above

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Answer & Solution

Answer: Option B

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9

For distant hybridization the technique used to culture the embryo is

A) Embryo rescue B) Ovule culture C) Anther culture D) None of the above

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Answer: Option A

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10

Azotobacter and Bacillus polymyxa are

A) Decomposers B) Non-symbiotic nitrogen fixers C) Symbiotic nitrogen fixers D) Pathogenic bacteria

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Answer & Solution

Answer: Option B

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Agricultural Biotechnology MCQ Question and Answer | Agriculture MCQ Question