E-PolyLearning

11. Those tubular membranes which separates material of endoplasmic reticulum are called
a. chromatids
b. cisternae
c. tubular membranes
d. tubules
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Answer: (b).cisternae

12. Prokaryotic cells have a specialized material with them called as
a. peptidoglycan/murein
b. pectin
c. peptidoglucose
d. peptidoaminose
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Answer: (a).peptidoglycan/murein

13. A chromosome is composed of a DNA and
a. lipids
b. proteins
c. gene
d. sugars
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Answer: (b).proteins

14. Structural and functional unit of life is called
a. cell
b. tissues
c. organelle
d. DNA
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Answer: (a).cell

15. Exchange of materials takes place between nucleus and cytoplasm with help of
a. nuclear pores
b. nuclear membrane
c. nucleus
d. chromatin network
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Answer: (a).nuclear pores

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