Seed Quality Control Practice Questions (Q16-20) - Seed Science & Technology

16

ICAR JRF Seed Science And Technology 29 Jun 2024Shift 1

Assertion & Reason +4 −1

Given below are two statements, one is labelled as Assertion (A) and other one labelled as Reason (R).

Assertion (A) : During sun drying of seeds in open air, the seeds are covered with thick tarpaulin or will be transferred back to. seed godown in the evening

Reason (R) : A decrease in air temperature leads to an increase in relative humidity.

In light of the above statements, choose the most appropriate answer from the options given below

Both (A) and (R) are correct and (R) is the correct explanation of (A). Both (A) and (R) are correct but (R) is NOT the correct explanation of (A) (A) is correct but (R) is not correct. (A) is not correct but (R) is correct.

17

ICAR JRF Seed Science And Technology 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Spiral separator, separates the seeds based on differences in seed’s ability to

Slide Roll Bounce Crawl

18

ICAR JRF Seed Science And Technology 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Blanking the lower end of the top screen in an air-screen separator will help in

Free flow of seeds Fine grading Better scalping Better grading

19

ICAR JRF Seed Science And Technology 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

Head rice is observed at which stage of rice crop production

Flowering Milling Harvest maturity Seedling emergence

20

ICAR JRF Seed Science And Technology 29 Jun 2024Shift 1

MCQ (Single Correct) +4 −1

The species concept that explains that a species’ integrity is maintained by interbreeding within a species as well as by reproductive barriers between organisms in different species is known as

Phylogenetic species concept Ecological species concept Biological species concept Modern species concept

Seed Quality Control

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