Gene Transfer In Plants(Biotechnology ) Questions and Answers

Question 1. Microinjection technique of introducing NA is a
  1.    physical method
  2.    biological method
  3.    combination of physical and biological method
  4.    chemical method
Explanation:-
Answer: Option A. -> physical method
Answer: (a).physical method
Question 2. Which of the following govern sporophytic self-incompatibility in Brassica?
  1.    Aegilops
  2.    Triticum
  3.    Both (a) and (b)
  4.    S alleles
Explanation:-
Answer: Option D. -> S alleles
Answer: (d).S alleles
Question 3. MS medium, is found essential for initial morphogenesis of the immature embryos and to enhance callus development, when supplemented with
  1.    GA3
  2.    GA3 and coconut milk
  3.    adenine
  4.    adenine and kinetin
Explanation:-
Answer: Option B. -> GA3 and coconut milk
Answer: (b).GA3 and coconut milk
Question 4. Commercial sugarcane is heterozygons with germplasm from
  1.    1-3 Saccharum species
  2.    3-5 Saccharum species
  3.    5-7 Saccharum species
  4.    7-9 Saccharum species
Explanation:-
Answer: Option B. -> 3-5 Saccharum species
Answer: (b).3-5 Saccharum species
Question 5. The intervention in the communication system of nematodes offer several possibilities of bio control. Which of the following(s) play(s) a very important role in the host recognition?
  1.    Protein
  2.    Lipid
  3.    Carbohydrate moiety
  4.    Minerals
Explanation:-
Answer: Option C. -> Carbohydrate moiety
Answer: (c).Carbohydrate moiety
Question 6. Involvement of sugarcane phytoalexins in red-hot resistance has been observed. The phytoalexin compound is reported to be
  1.    3-deoxyanthocyanidin
  2.    luteolinidin
  3.    apigeninidin
  4.    5-0 apigeninidin
Explanation:-
Answer: Option A. -> 3-deoxyanthocyanidin
Answer: (a).3-deoxyanthocyanidin
Question 7. In transgenic plants of Arabidipsis thaliana which of the following gene is transferred for the synthesis of PHB (polyhdroxybutyrate)?
  1.    Acetyl Co A reductase
  2.    Polyhydroxybutyrate synthease
  3.    Both (a) and (b)
  4.    Pyrophosphorylase
Explanation:-
Answer: Option C. -> Both (a) and (b)
Answer: (c).Both (a) and (b)
Question 8. Which of the following has been confirmed on sugarcane genotypes?
  1.    Bacilliform virus
  2.    Cytomegalovirus
  3.    Varicella-zoster virus
  4.    Erythrovirus
Explanation:-
Answer: Option A. -> Bacilliform virus
Answer: (a).Bacilliform virus
Question 9. Human serum albumin has been synthesized by
  1.    transgenic potato and tobacco plants
  2.    transgenic maize plants
  3.    transgenic wheat plants
  4.    any of the above
Explanation:-
Answer: Option A. -> transgenic potato and tobacco plants
Answer: (a).transgenic potato and tobacco plants
Question 10. Cultivated tomato species (Lycopersicon esculentum) is highly susceptible to
  1.    Meloidogyne spp. nematodes
  2.    L. peruviaanum
  3.    both (a) and (b)
  4.    Solarium melongena
Explanation:-
Answer: Option A. -> Meloidogyne spp. nematodes
Answer: (a).Meloidogyne spp. nematodes
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