Agricultural Biotechnology MCQ Question and Answer

51

Dark reaction occurs in

A) Grana B) Thylakoid C) Stroma lamelle D) Stroma

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Answer & Solution

Answer: Option D

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52

Which one is a micronutrient?

A) Ca B) Zn C) P D) Mg

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Answer & Solution

Answer: Option B

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53

Hybridomas are employed for

A) Killing cancer cells B) Production of somatic hybrids C) Synthesis of monoclonal antibodies D) Synthesis of antibiotics

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Answer & Solution

Answer: Option C

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54

Colchicine arrests cells in Mitosis, because

A) It binds to monomeric tubulin and thus depolymerizes microtubules B) If prevents chromosome condensation by inhibiting histone-histone interactions C) It dephosphorylates tubulin monomers and thus depolymerizes microtubules D) It binds to the + end of F-actin and prevents further addition of G-actin to actin filaments

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Answer & Solution

Answer: Option A

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55

Heart rot of beets is due to deficiency of

A) S B) Mn C) Mo D) B

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Answer & Solution

Answer: Option D

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56

You want to know whether the enzyme you have introduced as a transgene in poplar is being expressed in the intended cells at the intended developmental stage. Which technique would be most informative?

A) QRT-PCR B) Immunolocalization C) RNA in situ hybridization D) Promoter fusion

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Answer & Solution

Answer: Option B

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57

Left handed DNA is

A) B DNA B) A DNA C) Z DNA D) None of the above

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Answer & Solution

Answer: Option C

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58

Deficiency of nitrogen causes

A) Chlorosis in younger leaves B) Chlorosis in older leaves C) Redening of the leaves D) Purpleing of leaves

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Answer & Solution

Answer: Option B

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59

Which of the following transgenic methods were used (in separate experiments) in an attempt to increase the prevalence of certain amino acids in seeds?

A) Altered tRNA gene; overexpression of sunflower seed albumin (SSA) B) Altered tRNA gene; overexpression of human serum albumin (HSA) C) Altered rRNA gene; overexpression of sunflower seed albumin (SSA) D) Altered tRNA gene; repression of sunflower seed albumin (SSA) expression

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Answer & Solution

Answer: Option A

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60

The amount of DNA present in the genome is

A) C value B) D value C) Q value D) P value

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Answer & Solution

Answer: Option A

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Agricultural Biotechnology MCQ Question and Answer | Agriculture MCQ Question