Transport of Materials Across Cells, Class 9 Science

1. There will be total 10 MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying

1. A cell placed in solution swells up. The solution is:

  Hypertonic

  Isotonic

 Hypotonic

  Both A and B

Question 1 of 10

2. If dried apricots are initially placed in plain water for some time and then into a concentrated solution of sugar, they will:

  Initially shrink and then swell

 Burst

 Initially swell and then shrink

 Initially swell and then burst

Question 2 of 10

3. The solution labeled as ‘A’ is ——- as compared to the red blood cells.

 Translucent

 Isotonic

 Hypertonic

  Hypotonic

Question 3 of 10

4. In the process of ———–substances move across the membrane without the expenditure of ATP.

  Diffusion

  Endocytosis

 Exocytosis

 Active transport

Question 4 of 10

5. A plant cell becomes swollen due to:

  Endosmosis

  Plasmolysis

 Exosmosis

  Electrolysis

Question 5 of 10

6. The fine roots of plants absorb water from the soil through the process of

 Osmosis

  Endocytosis

  Diffusion

 Pinocytosis

Question 6 of 10

7. Plasma membrane acts as

 A barrier to external environment, which allows entry and exit of some materials.

  A barrier to external environment, providing complete freedom of entry and exit to all materials

 A rigid barrier to external environment, that does not allow entry of any material.

 A covering separating various parts of the same cell.

Question 7 of 10

8. Diffusion of substances inside cell occurs due to:

 Difference in velocity of molecules

 Difference in energy

  Difference in concentration of a substance

 Difference in colour of a substance

Question 8 of 10

9. During diffusion, there is spontaneous movement of particles from a region of higher concentration to a region of lower concentration in a given volume of:

 Liquid or gas

 Solid

  Solid or gas

 Liquid or solid

Question 9 of 10

10. The solute concentration is higher in the external solution in:

 Hypotonic

 Isotonic

 Hypertonic

 None of these

Question 10 of 10

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