GPB MCQ Quiz 155 for ICAR JRF/SRF/ARS Exam Preparation

1. A large number of plants of similar phenotype are selected and their seeds are mixed together to constitute the new variety is called

A) Mass selection

B) Pure line selection

C) Both

D) None of the above

2. A large number of plants are selected from a self-pollinated crop and harvested individually, individual plant progenies from them are evaluated, and the best progeny is released as a

A) Mass selection variety

B) Pure line variety

C) Both

D) None of the above

3. Purelines become genetically variable with time due to

A) Mechanical mixture

B) Natural hybridization

C) Mutation

D) All of above

4. Malviya Vilalp (MA3) a variety of pigeonpea is an example of

A) Mass selection

B) Pureline selection

C) Both

D) None of the above

5. MA3 is resistant to

A) Pigeonpea sterility virus

B) Wilt

C) Podfly

D) All of the above

6. The possibility of commercial utilization of synthetic varieties in maize was first suggested by

A) Garber

B) Hayes

C) Both

D) None of the above

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