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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