Nutrition – Online MCQs Test – Biology 9th

1. Number of amino acids is:

2. To make red blood cells, the body needs:

3. Saliva contains an enzyme called salivary:

4. In plants, stunted growth, reduced yields and pale green foliage show deficiency of:

5. Saliva is secreted by:

6. At the end of the oesophagus, a muscle that allows food to enter the stomach and preventing food to flow back into the oesophagus is called:

7. In human digestive system trachea and oesophagus both connect to the:

8. Number of essential amino acids is:

9. Villi are present in the internal wall of:

10. Nitro oxide may cause:

11. The churning action of stomach produces heat which helps to melt:

12. Heptic portal vein carries food to the:

13. In paramecium, food is ingested through a special opening called:

14. It is a sore in gut lining and can be different organs.

15. Hookworms, tapeworms and leeches are:

16. In plants, interveinal chlorosis shows deficiency of:

17. An animal that migrates great distances would obtain the greatest benefit from storing its energy as:

18. Deficiency of vitamin-D causes:

19. This leads to obesity, diabetes and cardiovascular problems.

20. The stomach produces: