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Dear candidates you will find MCQ questions of Plant Biotechnology here. Learn these questions and prepare yourself for coming examinations and interviews. You can check the right answer of any question by clicking on any option or by clicking view answer button.

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Mr. Dubey • 51.17K Points
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Q. 1) Plant breeders have an advantage over animal breeders in reproducing a desired type offspring because the plant breeders can employ

(A) Gene mutations
(B) Hybridization
(C) Clonal propagation
(D) Selection
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Mr. Dubey • 51.17K Points
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Q. 2) For protoplast fusion to be successful in plant cells

(A) Fusion agents other than polyethylene glycol should be used
(B) Cell wall of the two strains of cells should not be damaged
(C) DNA between the two cells should be compatible
(D) Osmolarity of the medium is not important
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Mr. Dubey • 51.17K Points
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Q. 3) Meristems escape virus invasion because

(A) Vascular system is absent in the meristem
(B) Of low metabolic activity in the meristem
(C) The 'virus inactivating system' has low activity in the meristem
(D) Of low endogenous auxin level
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Mr. Dubey • 51.17K Points
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Q. 4) Somatic embryo from cotyledon explant would develop in the following sequential stages

(A) Cotyledonary → Heart → Globular → Torpedo
(B) Globular → Torpedo → Heart → Cotyledonary
(C) Globular → Heart → Torpedo → Cotyledonary
(D) Cotyledonary → Globular → Heart → Torpedo
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Mr. Dubey • 51.17K Points
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Q. 5) Which one of the following is not a protoplast fusion inducing agent?

(A) Inactivated Sendai virus
(B) Ca2+ at alkaline pH
(C) Polyethylene glycol
(D) Colchicine
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Mr. Dubey • 51.17K Points
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Q. 6) Enhanced axillary branching for multiple shoot production is promoted by

(A) 2, 4-D
(B) Abscisic acid
(C) Gibberellic acid
(D) Benzyl adenine
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Mr. Dubey • 51.17K Points
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Q. 7) Shoot organogenesis by tissue culture results into

(A) A bipolar structure that has no vascular connection with the explant
(B) A monopolar structure that has a strong connection with the pre-existing vascular tissue of the explant
(C) A monopolar structure that has no vascular connection with the explant
(D) A bipolar structure that has a strong connection with the pre-existing vascular tissue of the explant
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Mr. Dubey • 51.17K Points
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Q. 8) What would he the effect of addition of 2, 4-D on the production of berberine by cell culture of Thalictrum minus?

(A) To stimulate growth and thereby urease secondary metabolite production
(B) Stimulate dedifferentiation and thereby decrease secondary metabolite production
(C) Stimulate proliferation and reduce secondary metabolite production
(D) None of the above
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Mr. Dubey • 51.17K Points
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Q. 9) Multiplication of genetically identical copies of a cultivar by asexual reproduction is known as

(A) Aclonal propagation
(B) Vegetative propagation
(C) Polyclonal propagation
(D) Clonal propagation
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Mr. Dubey • 51.17K Points
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Q. 10) Which one of the following is a second generation genetically engineered crop?

(A) Bt brinjal
(B) Roundup soyabean
(C) Golden rice
(D) Bt rice
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