Mating Systems, Inbreeding Depression, Hetero Practice Questions (Q1-3) - Vegetable Science | Agrigyan Practice

1

ICAR JRF Vegetable Science 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

On the basis of level of inbreeding depression, beetroot is classified into which of the following group?

High inbreeding depression Medium inbreeding depression Low inbreeding depression Lack of inbreeding depression

2

ICAR JRF Vegetable Science 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

The recurrent selection method in cross-pollinated vegetable crops meet which of the following aims?

(A) . To generate high level of genetic variability within the population.

(B) . To reduce the frequency of desirable genes

(C) . To break undesirable linkage in the population

(D) . To increase desirable gene flow to have more recombinations.

Choose the correct answer from the options given below:

(A), (6) and (D) only. (A), (C) and (D) only. (A) and (B) only. (C) and (D) only.

3

ICAR JRF Vegetable Science 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

The performance of synthetic varieties is usulally lower than that of single cross hybrids because.

Exploit only GCA Exolit only SCA Poor adaptive to variable envionvionment Result in rapid inbreeding depression

General Agriculture

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Vegetable Science- ICAR JRF/SRF 2024

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