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Assertion (A): A wire-loop cylinder is preferred for seed crops.

Reason (R): Mechanical damage to the embryo destroys germination.

Select the correct answer from the options below.

  • A.A is true but R is false
  • B.A is false but R is true
  • C.Both A and R are true, and R is the correct explanation of A
  • D.Both A and R are true, but R is not the correct explanation of A

Answer: C

Correct answer: Both A and R are true, and R is the correct explanation of A

Both statements are true and the reason is decisive. A seed lot is bought for its germination, and mechanical damage to the embryo cannot be repaired - a cracked seed will not grow however sound it looks.

The wire-loop's flexible loops deliver the gentlest action of any cylinder type, so it is chosen despite leaving more grain unthreshed. That unthreshed grain can be recovered by a second pass, which is why the trade is worth making for seed and not for a milling crop.

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