The Fundamental Unit of Life Quiz for Class 9

1. Chromosomes are made up of

2. Which of the following statement marks as a difference between plant cell and animal cell?

3. Which of the following can be made into crystal?

4. Osmosis is a process by which molecules of a solvent tend to pass through a semipermeable membrane from a less concentrated solution into a more concentrated one. Can you pick out the option among the following which does not belong to this process?

5. _______ is called the powerhouse of the cell.

6. The nucleus controls all the activities of the cell and acts as a site of DNA material and protein synthesis. It is composed of some components which all together give the nucleus its functionality. Here is shown a figure of nucleus with some of its components labeled as A, B, C and D. can you name these components correctly?

(a) A – Nucleons; B – Chromatin; C – Nuclear membrane; D – Nucleoplasm

(b) A – Nucleus; B – Chromatin; C – Nuclear membrane; D – Nucleoplasm

(c) A – Nucleolus; B – Chromatin; C – Nuclear membrane; D – Nucleoplasm

(d) A – Nucleolus; B – Chromatin; C – Nuclear membrane; D – Nuclear wall

7. Which of these options are not a function of ribosomes?
(i) It helps in manufacture of protein molecules.
(ii) It helps in manufacture of enzymes.
(iii) It helps in manufacture of hormones.
(iv) It helps in manufacture of starch molecules.

8. The process by which water moves through a semi-permeable membrane from a region of high concentration to a region of lower concentration, thereby equalizing water concentration is called:

9. Where are the essential proteins and lipids required for cell membrane, manufactured?

10. You must have observed that a fruit when unripe is green but it becomes beautifully coloured when ripe. According to you what is the reason behind this colour change.

11. Which of these is not related to endoplasmic reticulum?

12. Rahul’s mother was going to make pickle. For this she cut the vegetables into small pieces and put them in the sun for few hours. Rahul was observing all her activities very curiously and asked his mother if why she had put the salted vegetables in the sun. among the following what might be the most appropriate answer for his question?

13. The process of plasmolysis in plant cell is defined as:

14. Cell is the structural and functional unit of life. The word cell is derived from the Latin word ‘cellula’ which means “a little room”. Can you name the scientist who coined the term cell?

15. Plasmolysis in a plant cell is defined as

16. Which of the following are covered by a single membrane?

17. In a test, a teacher collected the answers written by four students as the definition of osmosis as given below. Read carefully and select the correct one.

18. Among the following statements which one is incorrect?

19. Anjali wanted to eat rice and kidney bean (rajmah). She requested her mother to cook the same on next day. At night her mother took a cup of kidney beans and put them in a container having some water and the kept the container covered overnight. Next day it was observed that the kidney beans got swollen and were ready to be cooked. What is this phenomenon due to which kidney beans got swollen is known as?

(i) Osmosis

(ii) Diffusion

(iii) Endosmosis

(iv) Exosmosis

Choose the correct option among the following:

20. Find out the false sentence.

21. A vacuole is a space or cavity within the cytoplasm of a cell, enclosed by a membrane and typically containing fluid. They are a kind of storage sacs that are very large sized in plant cell as compared to that in the animal cell.

Which among the following is not a function of the vacuole?

22. Find out the correct sentence.

23. The proteins and lipids, essential for building the cell membrane, are manufactured by:

24. Which cell organelle plays a crucial role in detoxifring many poisons and drugs in a cell?

25. The proteins and lipids, essential for building the cell membrane, are manufactured by

26. The cell organelle involved in forming complex sugars from simple sugars are

27. Amoeba acquires its food through a process, termed

28. Silver nitrate solution is used to study

29. Kitchen of the cell is

30. Cell arises from pre-existing cell was stated by

31. The only cell organelle seen in prokaryotic cell is

32. 1 μm is

33. Living cells were discovered by

34. Which out of the following is not a function of vacuole?

35. Cell wall of which one of these is not made up of cellulose?

36. Organelle other than nucleus, containing DNA is

37. Lipid molecules in the cell are synthesised by

38. Cell theory was given by

39. Organelle without a cell membrane is

40. Lysosome arises from