Agricultural Biotechnology MCQ Question and Answer

61

Shine Dalgamo sequence present on mRNA in case of prokaryotes plays as important role in protein synthesis. This sequence binds with . . . . . . . . during translation initiation

A) 16s RNA B) tRNA C) 23s RNA D) 5s RNA

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Answer & Solution

Answer: Option A

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62

Which organelles is/are semi autonomous in nature?

A) Mitochondria B) Chloroplast C) Microtubules D) Both A and B

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Answer & Solution

Answer: Option D

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63

The transcription factor helps in recruitment of RNA polymerase is

A) TFIID B) TFIIF C) TFIIB D) TFIIE

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Answer & Solution

Answer: Option B

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64

Why might you find two kanamycin resistance genes on different parts of a T-DNA plasmid?

A) One of the genes could be used for positive selection, and one could be used for negative selection B) One of the genes could be used for selection in plants, and one could be used for selection in bacteria C) This arrangement facilitates site-specific recombination for marker-free selection D) Each gene might have been introduced by a independent co-transformation event

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Answer & Solution

Answer: Option B

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65

Lac Z codes for

A) Permease B) Acetylase C) β galactosidase D) Polymerase

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Answer & Solution

Answer: Option C

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66

Biochemical marker is

A) AFLP B) RFLP C) Isozymes D) Pigmentation

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Answer & Solution

Answer: Option C

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67

In anaerobic respiration in plants,

A) Oxygen is taken in B) Oxygen is given out C) Carbon dioxide is given out D) Carbon-dioxide is taken in

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Answer & Solution

Answer: Option C

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68

Water potential of pure water is

A) Positive B) Negative C) Zero D) Can not predict

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Answer & Solution

Answer: Option C

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69

The photoreceptor phytochrome is present in

A) Lichens B) Algae C) Gymnosperms D) Angiosperms

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Answer & Solution

Answer: Option D

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70

A set of disease resistance mechanisms that are not specific to a particular pathogen comes under

A) Active immunity B) Innate immunity C) Passive immunity D) None of these

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Answer & Solution

Answer: Option B

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Agricultural Biotechnology MCQ Question and Answer | Agriculture MCQ Question