| 16. | Chemical composition of an acylglycerols is esters of fatty acids and |
| a. | bases |
| b. | alcohol |
| c. | water |
| d. | acids |
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Answer: (b).alcohol
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| 17. | Microorganisms secrete an enzyme which helps in digestion of cellulose known as |
| a. | cellulase |
| b. | catalase |
| c. | sucrase |
| d. | pepsin |
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Answer: (a).cellulase
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| 18. | Derivatives of phosphatidic acid, which are composed of glycerol, fatty acids and phosphoric acids are known as |
| a. | phospholipids |
| b. | acylghycerols |
| c. | triglycerides |
| d. | esters |
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Answer: (a).phospholipids
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| 19. | Maurice Wilkins and Rosalind Franklin determine structure of DNA using technique called |
| a. | X-ray Diffraction |
| b. | X-ray Refraction |
| c. | X-ray Reflection |
| d. | Y-ray Refraction |
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Answer: (a).X-ray Diffraction
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| 20. | Lipids which are fats and oils are lighter, than water therefore have a specific gravity of about |
| a. | 0.6 |
| b. | 0.8 |
| c. | 0.9 |
| d. | 0.1 |
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Answer: (b).0.8
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