Osmosis is a type of 

(1) imbibition of solution   

(2) diffusion of solvent

(3) evaporation of water   

(4) diffusion of solute

Subtopic:  Osmosis |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Which of the following statement is correct?

(1) DPD = OP - WP

(2) DPD = OP + WP

(3) DPD = WP - OP

(4) DPD= TP + OP

Subtopic:  Plant Water Relations: Water Potential: DPD |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Who had proposed theory of cohesion and adhesion forces?

(1) Dixon and Jolly (1894)

(2) Dixon and Benson (1885)

(3) Dixon and Jolly (1950)

(4) Sir Jagdish Chandra Bose (1850)

Subtopic:  Transpiration & Guttation |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Stomatal opening is affected by 

(1) nitrogen concentration, carbon dioxide concentration and light

(2) carbon dioxide concentration, temperature and light

(3) nitrogen concentration, light and temperature 

(4) carbon dioxide concentration, nitrogen concentration and temperature 

Subtopic:  Stomata |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Translocation of photosynthetic end products in seive tubes is

(1) 3-5 mm/h

(2) 3-5 cm/h

(3) 1-15 cm/h

(4) 60-100 cm/h

Subtopic:  Phloem Translocation: Short Distance Transport | Phloem Translocation |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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The ratio of osmotic pressure exerted by 1 M sucrose and 1 M NaCl solution will be

(1) 1                                 

(2) 2

(3) 0.1                             

(4) 0.5

To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

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Glycolate induces opening of stomata in

(1) Presence of oxygen

(2) Low CO2 concentration

(3) High CO2 concentration

(4) Absence of CO2

Subtopic:  Stomata: 3 | Stomata |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Cell A has osmotic potential of -18 bars and pressure potential of 8 bars, whereas, cell B has osmotic potential of -14 bars and pressure potential 2 bars. The direction of flow of water will be

(1) from cell B to cell A

(2) from cell A to cell B

(3) no flow of water

(4) in both the directions

Subtopic:  Water Potential Concept |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Which of the following is correct about transport or conduction of substances.

A. Organic food moves upward through xylem

B. Organic food move up through phloem

C. Inorganic food move upward and downward through xylem

D. Organic food move upward and downward through phloem

Subtopic:  Photosynthesis Transpiration Compromise & Mineral Translocation |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level:


Assertion      :       Facilitated diffusion is more rapid than simple diffusion.

Reason         :       Facilitated diffusion involves expenditure of energy unlike simple diffusion.

  1. If both the assertion and the reason are true and the reason is a correct explanation of the assertion
  2. If both the assertion and reason are true but the reason is not a correct explanation of the assertion
  3. If the assertion is true but the reason is false
  4. If both the assertion and reason are false
Subtopic:  Diffusion |
To view explanation, please take trial in the course below.
NEET 2022 - Target Batch - Aryan Raj Singh

Difficulty Level: