Question

12. Which of the following are covered by a single membrane?
a) Mitochondria b) Lysosome c) Vacuole
d) Plastid
13. Which is the undefined nuclear region of Prokaryotes?
a) Nucleus
b) Nucleic acid c) Nucleolus
d) Nucleoid
14. Write any two functions of vacuole.
15. Amoeba acquires its food through a process called
a) Exocytosis
b) Plasmolysis c) Endocytosis d) Excotosis & Endocytosis both
16. Who stated that cells arise from its pre-existing cells?
17. The only cell organelle seen in prokaryotic cell is
a) Mitochondria b) Plastids
c) ribosomes d) lysosomes
18. Name the cell organelles which is without cell membrane.
a) ER
b) Nucleus
c) Golgi bodies d) Mitochondria
19. Living cells were discovered by which scientist?
20. In plant cells, cell wall is
a) Dynamic & living
b) Rigid and non-living
c) Dynamic & non-living
d) Rigid and living
21. If the swollen raisin is put into salt solution what will happen then?
22. Name the cell organelle which serves as a channel for transport of material between Nucleus and
cytoplasm.
23. Explain the process of Diffusion.
24. What is the functional segment of DNA?
II. Short answer type questions -
1. Why is the cell called structural and functional unit of life?
2. How does chromatin and chromosome related to each other?
3. Differentiate between Rough Endoplasmic Reticulum and smooth endoplasmic Reticulum.
4. Differentiate between Endomosis and Exosmosis.
5. Write difference between Phagocytosis and Pinocytosis.
6. How does substance like CO2 and water move in and out of the cell?
7. Why is Plasma membrane called selectively permeable membrane?
8. What would happen if plasma membrane ruptures or breaks down?
9. How does Amoeba obtain its food?
10. Explain the functions of vacuoles?
11 Give atleast three similarities and three dissimilarities between plant cell and animal cell.​

Answer 1

12.

Lysosome,vacuole are single membrane bound organelle

13.

Nucleoid

14.

Vacuole help to maintain the osmotic pressure.

They provide rigidity and turgidity to the plant cells.

15.

D

16.

R.Virchow stated that the cells arise from pre existing cells.

17.

Ribosome

19.

Anton Van Leeuwenhoek

20.

B

21.

After some time raisins will shrink because of osmosis

22.

(ER) Endoplasmic reticulum

Answer 2

Answer:

12. lysosomes and Vacoule

13. Nucleoid

Explanation:

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