Agricultural Biotechnology MCQ Question and Answer

31

Photorespiration occurs in

A) Mitochondria B) Peroxisomes C) Chloroplast D) All of the above

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Answer & Solution

Answer: Option D

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32

Glucouronic acid is

A) Sugar acid B) Amino sugar C) Sugar alcohol D) None of the above

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Answer & Solution

Answer: Option A

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33

The percentage of absorbed water gets transpired in plants is

A) 60% B) 70% C) 88% D) 98%

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Answer & Solution

Answer: Option D

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34

Which of the following is true of glyphosate?

A) It has an animal DL 50 of 0.4 g/kg B) It is more selective than 2,4-D C) It can be manufactured without a license from the patent holder D) None of these

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Answer & Solution

Answer: Option C

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35

How was luciferase (LUC) with an artificial stop codon used as a control in the experiments involving altered tRNA?

A) Diminished LUC expression demonstrated that the altered tRNA could properly recognize stop codons. B) LUC expression demonstrated that the gene was being induced by Lys. C) LUC expression demonstrated that Lys was being substituted for the stop codon by the altered tRNA. D) The artificial LUC is an example of a synthetic gene.

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Answer & Solution

Answer: Option C

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36

Important constituent of Biogas is

A) CH₄ B) Ethane C) Carbon monoxide D) NH₃

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Answer & Solution

Answer: Option A

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37

The amino acid proline belongs to

A) Serine family B) Histidine family C) Glutamate family D) Pyruvate family

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Answer & Solution

Answer: Option C

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38

The sterilant used for explants preparation is

A) HgCl₂ B) NaClO C) Ca(ClO)₂ D) All of the above

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Answer & Solution

Answer: Option D

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39

The principle behind uncoupling is that

A) Uncoupling agents uncouple oxidation from phosphorylation B) Uncoupling agents uncouple phosphorylation from oxidation C) Uncoupling agents block the process of phosphorylation D) None of the above

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Answer & Solution

Answer: Option A

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40

Micro propagation can be done by

A) Through shoot bud proliferation B) Through adventitious buds C) Meristem tip culture D) All of the above

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Answer & Solution

Answer: Option D

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Agricultural Biotechnology MCQ Question and Answer | Agriculture MCQ Question