CBSE Class 11 Biology MCQs Set L

CBSE Class 11 Biology MCQs - Sets 12 CBSE and NCERT students can refer to the attached file. All educational material on the website has been prepared by the best teachers having more than 20 years of teaching experience in various schools. The study material available on our website for all CBSE classes and subjects have been prepared by teachers from all over the country. All study material has been carefully designed keeping into mind the latest CBSE examination trends.  

Choose the most appropriate answer.


1. The water of guttation is forced out of the leaves by:

1. Diffusion 2. Root Pressure 3. Imbibition 4. Active transport

Correct Ans. (2)

2. The movement of solvent molecules through a semi-permeable membrane from a region of low solute concentration to a region of high solute concentration is:

1. Diffusion 2. Plasmolysis 3. Osmosis 4. Active transport

Correct Ans. (3)

3. The osmotic pressure of a solution

1. increases with increase in concentration of solute 2. decrease with increase in concentration of solute

3. remains unchanged with increase in concentration of sol 4. none of these

Correct Ans. (1)

4. The transport of substances from a region of its lower concentration to its higher concentration is called:

1. Osmosis 2. Imbibition 3. Active transport 4. Passive transport

Correct Ans. (3)

5. The taking up of a liquid by a substance with the resultant swelling in volume is called:

1. Plasmolysis 2. Imbibitions 3. Diffusion 4. Active transport

Correct Ans. (2)

6. Germination of seed involves the rupturing of seed coat because of:

1. Osmosis 2. Imbibitions 3. Diffusion 4. Active transport

Correct Ans. (2)

7. The shrinkage of protoplasm due to ex-osmosis of water from the cell is called:

1. Osmosis 2. Deplasmolysis 3. Plasmolysis 4. Imbibition

Correct Ans. (3)

8. The process where by water moves through the plants is known as :

1. Transpiration  2. Translocation 3. Guttation 4. Osmosis

Correct Ans. (2)

9. Which of the following conducts water inside plant body?

1. phloem 2. xylem 3. cortex 4. pith

Correct Ans. (2)

10. The exudation of water drops from the leaves of intact plants is:

1. guttation 2. transpiration 3. evaporation 4. transportation

Correct Ans. (1)

11. In which of the following assimilates move along the concentration gradient?

1. sieve tubes 2. xylem vessels 3. trachieds 4. fibers

Correct Ans. (1)

12. Which of the following percentage of transpiration usually occurs through the stomata?

1. 30% 2. 50% 3. 60% 4. 90%

Correct Ans. (4)

13. The combined area of total stomatal pores as compared to the total leaf area is almost:

1. 1-2% 2. 3-4% 3. 5-6% 4. 7-8%

Correct Ans. (1)

14. The number of stomata per square centimeter of leaf surface of tobacco leaf is almost:

1. 1200 2. 2100 3. 12000 4. 21000

Correct Ans. (3)

15. The processes involved in stomatal transpiration are:

1. 2  2. 4   3. 8  4. 6

Correct Ans. (1)

Please refer to the link below for CBSE Class 11 Biology MCQs - Sets 12



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