Biology chapter 12 Transport in organisms solved mcqs

1. The movement of substances from one part to another part within the body of living organisms is called:

(a) Movement

(b) Transaction

(c) Transport✅

(d) All above

2. The waste products diffuses outward through the:

(a) Cell membrane✅

(b) Nuclear membrane

(c) Both a and b

(d) None above

3. In flowering plants which system is responsible for transport of materials:

(a) Muscular system

(b) Vascular system✅

(c) Arterial system

(d) Venous system

4. Vascular system consists of:

(a) Xylum

(b) Phloem

(c) Both a and b✅

(d) None above

5. Which vessel transport water and dissolved substance:

(a) Xylum✅

(b) Phloèm

(c) Both a and b

(d) None

6. Which transport food:

(a) Xylum

(b) Phloem✅

(c) Both a and b 

(d) None

7. In protoplasm, water quantity is:

(a) 70%

(b) 95%

(c) 70-95%✅

(d) 60%

8. Which acts as a medium for transport of mineral.

(a) Water✅

(b) Oil

(c) Xylum

(d) Phloem

9. how many processes (Cansport of material in plant is brought about by

(a) Two✅

(b) Three

(c) Four

(d) One

10. The movement of the materials across the cell membrane without expenditure of energy is called

(a) Active transport

(b) facilitated transport

(c) Passive transport✅

(d) All

11. The movement of molecules/ions from a region of its higher concentration to a region of its lower concentration is called:

(a) Effusion

(b) Diffusion✅

(c) Osmosis

(d) All above

12. Transpiration is an example of:

(a) Osmosis

(b) Diffusion✅

(c) Plasmolysis

(d) None

13. Breathing is an example of:

(a) Osmosis

(b) Diffusion✅

(c) Transpiration

(d) Effusion

14. The diffusion of solvent through a semi permeable membrane is called

(a) simple diffusion

(b) Osmosis✅

(c) Effusion

(d) Transport

15. When a cell absorb water, it swells and become

(a) Lysed

(b) Turgid✅

(c) Shrints

(d) None

16. The shrinkage of protoplasm due to loss of water is called

(a) Plasmolysis✅

(b) Bursting

(c) Shrinkage

(d) None above

17. The movement of substances across a cell membrane against concentration gradient with the help of energy is called:

(a) Transport

(b) Passive transport✅

(c) Active Transport

(d) Facilitated transport

18. The cell membrane is:

(a) Living

(b) None living

(c) Semi permeable

(d) Both (a) and (c)✅

19. Cell membrane consists of:

(a) Protein

(b) Lipids

(c) Carbohydrates

(d) Both (a) and (b)✅

20. The cell wall is:

(a) Living

(b) None living✅

(c) Both (a) and (b)

(d) None

21. The cell sap is a solution of:

(a) Water

(b) Salts

(c) Sugars

(d) All above✅

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