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Match List-I with List-II and select the correct answer from the codes given below :

List-IList-II
(a) Amphetamines(1) Heart rate
(b) Beta-blockers(2) Alertness
(c) Erythropoietin(3) Urine formation
(d) Alkaline salts(4) Haemoglobin
(5) pH level

Codes :

  • A.a-2, b-1, c-4, d-5
  • B.a-2, b-3, c-4, d-5
  • C.a-1, b-4, c-5, d-3
  • D.a-2, b-1, c-5, d-3

Answer: A

The code is a-2, b-1, c-4, d-5.

  • Amphetamines are stimulants that raise alertness and mask fatigue.
  • Beta-blockers lower the heart rate and steady tremor, which is why they are banned in shooting and archery.
  • Erythropoietin stimulates red cell production and raises haemoglobin, increasing oxygen-carrying capacity.
  • Alkaline salts such as sodium bicarbonate raise blood pH and buffer acid during intense exercise.

Options B, C and D each pair a substance with urine formation or swap haemoglobin and pH, so only A matches every pair.

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