| 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
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| 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
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| 13. | A chromosome is composed of a DNA and |
| a. | lipids |
| b. | proteins |
| c. | gene |
| d. | sugars |
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Answer: (b).proteins
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| 14. | Structural and functional unit of life is called |
| a. | cell |
| b. | tissues |
| c. | organelle |
| d. | DNA |
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Answer: (a).cell
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| 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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