Water 

Which one is wrong for Water. 

  1. Provides a medium in which different substances are dissolved 
  2. Makes 92% part of watermelon 
  3. Makes 30-45% part of most herbaceous plants 
  4. Present in dry seeds as well 

 

Subtopic:  Plant Water Relations: Water Potential: DPD |
 82%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Transpiration 

  1. Loss of water in soil 
  2. Loss of minerals in soil 
  3. Loss of water to the air from the leaves 
  4. Loss of organic substances because of photorespiration 
Subtopic:  Plant Water Relations: Water Potential: DPD |
 96%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

 A mature corn plant absorbs…….. of water in a day while a mustard plant absorbs water equal to its own weight in about…….. 

  1. 5L, 3hours 
  2. 3L, 5 hours 
  3. 5L, 5 hours 
  4. 3L, 3 hours 
Subtopic:  Plant Water Relations: Water Potential: DPD |
 70%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Water is often a major limiting factor in

(1) Photosynthesis

(2) Respiration

(3) Photorespiration

(4) Plant Growth and Productivity

Subtopic:  Plant Water Relations: Water Potential: DPD |
 60%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Which of the following is the two major components of water potential

(1) Solute potential and osmotic pressure

(2) Solute potential and pressure potential

(3) Osmotic pressure and turgor pressure

(4) Osmotic pressure and solute concentration

Subtopic:  Water Potential Concept |
 91%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Water molecules show a motion

(1) Random

(2) Rapid

(3) Constant

(4) All of these

Subtopic:  Water Potential Concept |
 68%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

The greater water potential actually does not suggest the

(1) Greater concentration of water

(2) Greater Kinetic Energy

(3) Less solute concentration

(4) Lower solute potential

Subtopic:  Water Potential Concept |
 60%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Water movement is observed

(1) From high water potential to lower water potential

(2) From low solute potential to high solute potential

(3) From low pressure potential to high pressure potential

(4) From high solute concentration to low solute concentration

Subtopic:  Water Potential Concept |
 90%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

Water moves

(1) Down a gradient of solutes

(2) Down a gradient of free energy

(3) Above a gradient of water

(4) Above a gradient of pressure

Subtopic:  Water Potential Concept |
 71%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch

advertisementadvertisement

Water potential is not

(1) Denoted by Greek symbol psi

(2) Expressed in pressure units such as Pascals (Pa)

(3) At standard temperature not under any pressure, is taken zero

(4) Always negative or zero

Subtopic:  Water Potential Concept |
 72%
From NCERT
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
Hints
To view explanation, please take trial in the course.
NEET 2025 - Target Batch