Agricultural Biotechnology MCQ Question and Answer

51

Biotechnology utilizes new organisms developed from present organisms utilizing

A) Mutation B) Recombinant DNA Technology C) Both A and B D) None of these

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Answer & Solution

Answer: Option C

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52

When pyrimidine is substituted by purines and vice versa, this type of mutation is known as

A) Transition B) Transversion C) Non sense mutation D) Mis sense mutation

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Answer & Solution

Answer: Option B

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53

Pasteur effect means

A) The yeast consumes more glucose in anaerobic condition B) The yeast consumes more glucose in aerobic condition C) The yeast consumes less glucose in anaerobic condition D) None of the above

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Answer & Solution

Answer: Option A

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54

Which of the following statements concerning the RNA/DNA hybrid oligonucleotides is incorrect?

A) They hybrid molecule must be introduced into the cell using a binary vector B) They may be synthesized to contain a mutation that will be incorporated into the host genome C) They provide a mechanism for targeted alteration of the plant genome D) They are incorporated using a mechanism that involves host DNA repair machinery

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Answer & Solution

Answer: Option A

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55

Ribosomes are synthesized in

A) Nucleus B) Nucleolus C) Cytoplasm D) Chloroplast

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Answer & Solution

Answer: Option B

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56

The membrane surrounding the bacteroids is

A) Bacteroid membrane B) Peribacteroid membrane C) Plasma membrane D) Bacterial membrane

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Answer & Solution

Answer: Option B

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57

The root pressure is measured by

A) Potometer B) Porometer C) Manometer D) Barometer

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Answer & Solution

Answer: Option C

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58

Polynucleotide kinase

A) Adds phosphate group at 5'OH B) Removes the phosphate group at 5' end C) Ligates blunt end D) Adds several nucleotides at 3'OH

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Answer & Solution

Answer: Option A

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59

Cytoplasmic hybrids are known as

A) Hybrids B) Cybrids C) Both A and B D) None of the above

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Answer & Solution

Answer: Option B

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60

Most commonly used organism in SCP is

A) Bacillus B) Lacto bacillus C) Spirulina D) Pseudomonas

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Answer & Solution

Answer: Option C

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Agricultural Biotechnology MCQ Question and Answer | Agriculture MCQ Question