GPB MCQ Quiz 152 for ICAR JRF/SRF/ARS Exam Preparation

Yield is not used as a basis of selection; selection is based on the traits constituting the ideotype in

A) Ideotype breeding

B) Traditional breeding

C) Both

D) None of the above

The trait which has actual usefulness of the produce when consumed by experimental animals; their usefulness to human is usually predicted on this basis is

A) Biological quality traits

B) Organoleptic quality traits

C) Morphological quality test

D) Nutritional quality traits

Mutation produced by changes in the base sequence of genes is

A) Point mutation

B) Chromosomal mutation

C) Cytoplasmic mutation

D) Somatic mutation

The mutation which occur in natural populations at a low rate (without any human intervention) is called

A) Spontaneous mutation

B) Induced mutation

C) Both

D) None of the above

When a purine is replaced by another purine then the situation is called as

A) Transition

B) Transversion

C) Base substitution

D) None of the above

Exposure over long periods of time is called

A) Chronic exposure

B) Acute exposure

C) Both

D) None of the above

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