Question

Energy in the case of higher plants and animals is obtained by

a) Breathing b) Tissue respiration c) Organ respiration d) Digestion of food

(ii) During respiration exchange of gases take place in

a) trachea and larynx b) alveoli of lungs c) alveoli and throat d) throat and larynx

(iii) Which of the following statement(s) is (are) correct?

i. Pyruvate can be converted into ethanol and carbon dioxide by yeast

ii. Fermentation takes place in aerobic bacteria

iii. Fermentation takes place in mitochondria

iv. Fermentation is a form of anaerobic respiration

a) (i) and (iii) b) (ii) and (iv) c) (i) and (iv) d) (ii) and (iii)

(iv) The characteristic processes observed in anaerobic respiration are i) presence of oxygen ii) release

of carbon dioxide iii) release of energy iv) release of lactic acid

a) i) ,ii) only b) i), ii), iii) only c) ii), iii), iv) only d) iv) only

(v) Lack of oxygen in muscle often leads to cramps among cricketers. This results due to

a) conversion of pyruvate to ethanol b) conversion of pyruvate to glucose

c) non conversion of glucose to pyruvate d) conversion of pyruvate to lactic acid ​

Answer 1

Answer:

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Answer 2

Answer:

This is your answer

Explanation:

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