E-PolyLearning

16. There are 48 chromosomes in a cell of a
a. chimpanzee
b. human being
c. drosophila
d. monkey
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Answer: (a).chimpanzee

17. Absence of enzyme which helps in catabolism of lipids, lead towards disease called
a. glycogenesis
b. hay fever
c. Tay sach's
d. polio
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Answer: (c).Tay sach's

18. Cellulose, pectin, and hemicelluloses together make up to form a
a. primary wall
b. secondary wall
c. middle wall
d. tertiary wall
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Answer: (a).primary wall

19. Arrangement of molecules of a primary wall is in sequence of
a. zigzag
b. criss-cross
c. spiral
d. conjugated
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Answer: (b).criss-cross

20. Protein structures which are long, unbranched and slender tubules are called
a. microfilaments
b. microtubules
c. intermediate tubules
d. chromatin fibers
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Answer: (b).microtubules

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