Q.1. Polyploidy is induced through:
A) Irradiation
B) Mutagenic chemicals
C) Ethylene
D) Colchicine
Q.2. The quickest method of plant breeding is:
A) Introduction
B) Selection
C) Hybridization
D) Mutation breeding
Q.3. Somatic hybridization is achieved through:
A) Grafting
B) Conjugation
C) Protoplast fusion
D) Recombinant DNA technology
Q.4. Bagging is done to:
A) Avoid cross pollination
B) Avoid self pollination
C) Achieve desired pollination
D) Prevent contamination from foreign pollen
Q.5. A technique of micro-propagation is:
A) Multiple root production
B) Somatic embryogenesis
C) Growth of microorganisms on culture medium
D) Multiple shoot production and embryo rescue

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