Agricultural Biotechnology MCQ Question and Answer

1

Excessive use of fertilizers causes death of plants due to

A) Imbibition B) Endosmosis C) Exosmosis D) Turgidity

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Answer & Solution

Answer: Option C

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2

Which enzymes are used for converting com starch into high fructose syrup?

A) Glucoisomerase B) Amylases C) Glucoamylases D) All of these

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Answer: Option C

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3

Light compensation point is

A) The light intensity at which CO₂ uptake by photosynthesis equals CO₂ release by respiration B) The light intensity at which CO₂ uptake by photosynthesis is more than CO₂ release by respiration C) The light intensity at which CO₂ uptake by photosynthesis is less than CO₂ release by respiration D) None of the above

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Answer & Solution

Answer: Option A

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4

In 2D electrophoresis, the

A) Isolation based on charge B) Isolation based on mass C) Isolation based on isoelectric focussing and mass D) None of the above

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Answer: Option C

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5

Central dogma is

A) DNA-RNA-Protein B) DNA-Protein-RNA C) Protein-RNA-DNA D) Protein-DNA-RNA

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Answer: Option A

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6

Lock and key hypothesis was proposed by

A) Koshland B) Fischer C) Mitcheli D) None of the above

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Answer & Solution

Answer: Option B

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7

Tetracyclin inhibits translation by

A) Binding to 50S subunit and interfers with aminoacyl-t RNA binding B) Binding to 30S subunit and interfers with aminoacyl-t RNA binding C) Causing misreading of codons D) Blocking peptide bond formation

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Answer & Solution

Answer: Option B

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8

Which of the following is non reducing sugar?

A) Sucrose B) Trehalose C) Maltose D) Both A and B

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Answer: Option D

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9

The transposase enzyme is present in

A) Ac element B) Ds element C) Both Ac-Ds element D) Ac-Ds don't contain transposase

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Answer: Option A

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10

According to the asssigned reading, in terms to total area of transgenic crops cultivated in 2001, the four major producers of transgenic crops (ranked highest to lowest) are

A) USA, Argentina, Canada, China B) USA, China, Canada, India C) USA, Canada, China, Argentina D) None of these

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Answer: Option A

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Agricultural Biotechnology MCQ Question and Answer | Agriculture MCQ Question