Rishaan experienced muscular cramps during the training session for his upcoming football match. Mr. Sen, his coach advised him on a schedule of some aerobic exercises to overcome his problem of muscular cramps. Rishaan followed his coach’s advice and did not face the problem of muscular cramps again during his match.1. Which life process is depicted by the above passage?(a) Respiration (b) Digestion (c) Nutrition (d) Excretion2. Lack of oxygen in muscles often leads to cramps due to(a) Conversion of pyruvate to ethanol(b) Conversion of glucose to pyruvate(c) Conversion of pyruvate to glucose(d) Conversion of pyruvate to lactic acid3. Is lactic acid produced by anaerobic respiration in yeast?(a) YES(b) NO4. Is carbon dioxide produced by anaerobic respiration in yeast?(a) YES(b) NO5. Why there is an increase in lactic acid concentration in the blood at the beginning of the exercise?(a) Lack of oxygen(b) Excess of oxygen(c) Lack of carbon dioxide(d) Excess of carbon dioxide