PDF chapter test TRY NOW

Choose the correct answer:
 
1. During respiration exchange of gases take place in
 
2. What prevents backflow of blood inside the heart during contraction?
 
3. 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