World's only instant tutoring platform
dropdown-logo
Become a tutorPartnershipsAbout usStudent loginTutor login
About us
Login
App StorePlay Store
Get 2 FREE Instant-Explanations on Filo with code FILOAPP
Briefly describe water potential. What are the factors affecti
Biology
Biology

Class 11

NCERT

Publisher:
NCERT
Subject:
Biology
1

Chapter 1: The Living World

11 questions

arrow
2

Chapter 2: Biological Classification

12 questions

arrow
3

Chapter 3: Plant Kingdom

12 questions

arrow
4

Chapter 4: Animal Kingdom

15 questions

arrow
5

Chapter 5: Morphology of Flowering Plants

15 questions

arrow
6

Chapter 6: Anatomy of Flowering Plants

12 questions

arrow
7

Chapter 7: Structural Organization in Animals

14 questions

arrow
8

Chapter 8: Cell: The Unit of Life

14 questions

arrow
9

Chapter 9: Biomolecules

15 questions

arrow
10

Chapter 10: Cell Cycle and Cell Division

16 questions

arrow
11

Chapter 11: Transport in Plants

16 questions

Q1
Differentiate between the following:
(a) Diffusion and Osmosis
(b) Transpiration and Evaporation
(c) Osmotic Pressure and Osmotic Potential
(d) Imbibition and Diffusion
(e) Apoplast and Symplast pathways of movement of water in plants.
(f) Guttation and Transpiration.
Q2
Briefly describe water potential. What are the factors affecting it?
Q3
What happens when a pressure greater than the atmospheric pressure is applied to pure water or a solution?
View all question
12

Chapter 12: Mineral Nutrition

10 questions

arrow
13

Chapter 13: Photosysnthesis in Higher Plants

9 questions

arrow
14

Chapter 14: Respiration in Plants

12 questions

arrow
15

Chapter 15: Plant Growth and Development

11 questions

arrow
16

Chapter 16: Digestion and Absorption

15 questions

arrow
17

Chapter 17: Breathing and Exchange of Gases

14 questions

arrow
18

Chapter 18: Body Fluids and Circulation

14 questions

arrow
19

Chapter 19: Excretory Products and their Elimination

12 questions

arrow
20

Chapter 20: Locomotion and Movement

10 questions

arrow
21

Chapter 21: Neural Control and Coordination

12 questions

arrow
22

Chapter 22: Chemical Coordination and Integration

9 questions

arrow
Question
Easy
Timing Icon

Solving time: 3 mins

Briefly describe water potential. What are the factors affecting it?

Views

Views: 5,684 students

Book

Book:

Biology (NCERT)

tutor 0tutor 1tutor 2
Found 3 tutors discussing this question
Elizabeth Discussed
Briefly describe water potential. What are the factors affecting it?
12 mins ago
Discuss this question LIVE
12 mins ago

Text SolutionText solutionverified iconVerified

Water potential quantifies the tendency of water to move from one part to the other during various cellular processes such as diffusion, osmosis, etc. It is denoted by the Greek letter Psi or Ψ and is expressed in Pascals (Pa). The water potential of pure water is always taken as zero at standard temperature and pressure.
Water potential (Ψw) is expressed as the sum of solute potential (Ψs) and pressure potential (Ψp).

Ψw = Ψs + Ψp
When some solute is dissolved in water, the water potential of pure water decreases. This is termed as solute potential (Ψs), which is always negative. For a solution at atmospheric pressure, Ψw = Ψs.
The water potential of pure water or a solution increases on the application of pressure values more than atmospheric pressure. It is termed as pressure potential. It is denoted by Ψp and has a positive value, although a negative pressure potential is present in the xylem. This pressure potential plays a major role in the ascent of water through the stem.
Was this solution helpful?
16
Share
Report
One destination for complete JEE/NEET preparation
One destination to cover all your homework and assignment needs
Learn Practice Revision Succeed
Instant 1:1 help, 24x7
Instant 1:1 help, 24x7
60, 000+ Expert tutors
60, 000+ Expert tutors
Textbook solutions
Textbook solutions
Big idea maths, McGraw-Hill Education etc
Big idea maths, McGraw-Hill Education etc
Essay review
Essay review
Get expert feedback on your essay
Get expert feedback on your essay
Schedule classes
Schedule classes
High dosage tutoring from Dedicated 3 experts
High dosage tutoring from Dedicated 3 experts
Trusted by 4 million+ students

Practice more questions from Biology (NCERT)

Q1
Differentiate between the following:
(a) Diffusion and Osmosis
(b) Transpiration and Evaporation
(c) Osmotic Pressure and Osmotic Potential
(d) Imbibition and Diffusion
(e) Apoplast and Symplast pathways of movement of water in plants.
(f) Guttation and Transpiration.
Q2
Briefly describe water potential. What are the factors affecting it?
Q3
What happens when a pressure greater than the atmospheric pressure is applied to pure water or a solution?
View all

Practice questions from Biology (NCERT)

Question 1
Easy
Views

Views: 6,268

What causes the opening and closing of guard cells of stomata during transpiration?
Topic

Topic:

Transport in Plants

Book

Book:

Biology (NCERT)

View 3 solutions

Question 2
Easy
Views

Views: 6,020

What happens when a pressure greater than the atmospheric pressure is applied to pure water or a solution?
Topic

Topic:

Transport in Plants

Book

Book:

Biology (NCERT)

View 5 solutions

Question 3
Medium
Views

Views: 5,824

Differentiate between the following:
(a) Diffusion and Osmosis
(b) Transpiration and Evaporation
(c) Osmotic Pressure and Osmotic Potential
(d) Imbibition and Diffusion
(e) Apoplast and Symplast pathways of movement of water in plants.
(f) Guttation and Transpiration.
Topic

Topic:

Transport in Plants

Book

Book:

Biology (NCERT)

View 3 solutions

Question 4
Easy
Views

Views: 5,684

Explain why pure water has the maximum water potential.
Topic

Topic:

Transport in Plants

Book

Book:

Biology (NCERT)

View 2 solutions

filo Logo

Practice more questions from Transport in Plants

Question 1
Medium
Views

Views: 6,007

Assertion : Potometer is used to measure the rate of transpiration.
Reason : It is based on principle that water lost in transpiration is equal to water absorbed.
  1. If both Assertion and Reason are true and Reason is correct explanation of Assertion.
  2. If both Assertion and Reason are true but Reason is not correct explanation of Assertion.
  3. If Assertion is true but Reason is false.
  4. If both Assertion and Reason are false.
Topic

Topic:

Transport in Plants

Book

Book:

Modern ABC Biology Class 11 Part 2 (Modern ABC)

View solution

Question 2
Easy
Views

Views: 5,898

Amides are transported to the other parts of the plants via
  1. phloem parenchyma
  2. phloem companion cells
  3. xylem vessels
  4. phloem fibre
Topic

Topic:

Transport in Plants

View solution

Question 3
Hard
Views

Views: 6,065

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
Topic

Topic:

Transport in Plants

View 3 solutions

Question 4
Easy
Views

Views: 5,716

In plasmolysed cell, the space between nucleus and plasma membrane is occupied by
  1. Hypotonic solution
  2. Hypertonic solution
  3. Isotonic solution
  4. Air
Topic

Topic:

Transport in Plants

View 3 solutions

Practice questions on similar concepts asked by Filo students

Question 1
Views

Views: 5,776

You have isolated a series of mutants affecting regulation of the lac operon. All of these are constitutive, that is, they express the lac operon all the time. You also have both mutant and wild-type alleles for each mutant in all combinations, and on plasmids, which can be introduced into cells to make the cell diploid for the relevant genes. How would you use these tools to determine which mutants affect DNA binding sites on DNA, and which affect proteins that bind to DNA?
Topic

Topic:

Biology

View solution

Question 2
Views

Views: 5,387

Gymnosperms are referred to as "naked seeded plants", because
  1. they lack ovule
  2. they lack ovaries
  3. they have no seed coat
  4. the embryo is unprotected.
Topic

Topic:

Plant Physiology

View solution

Question 3
Views

Views: 5,063

Which enzymes of the citric acid cycle are missing from the glyoxylate cycle?
Topic

Topic:

Biology

View solution

Question 4
Views

Views: 5,592

A whole foods diet, to me, refers to consuming foods that are minimally processed and as close to their natural state as possible. It involves eating a variety of fruits, vegetables, whole grains, lean proteins, and healthy fats, while avoiding or limiting processed foods, added sugars, and artificial ingredients. The focus is on nourishing the body with nutrient-dense foods that provide essential vitamins, minerals, and antioxidants.
  1. Then, again in your own words, summarize the main benefits and drawbacks that you see in attempting to follow a whole-foods diet in your own life.
  2. The main benefits of following a whole-foods diet in my own life include improved overall health, increased energy levels, and better weight management. By consuming nutrient-rich foods, I can provide my body with the necessary fuel to function optimally. Whole foods are often lower in calories and higher in fiber, which can aid in weight loss or maintenance. Additionally, a whole-foods diet can reduce the risk of chronic diseases such as heart disease, diabetes, and certain types of cancer.
  3. However, there are also some drawbacks to consider. One challenge is the potential increase in grocery expenses. Whole foods, especially organic options, can be more expensive than processed or convenience foods. Another drawback is the time and effort required for meal planning, preparation, and cooking. Whole foods often require more time to prepare compared to pre-packaged meals. Lastly, social situations and dining out can be more challenging when following a whole-foods diet, as many restaurants and social gatherings may not offer a wide range of whole-food options.
  4. Please provide at least three pieces of FACT-BASED evidence, from at least two different sources, to support the benefits and/or drawbacks – for example, cite reliable sources for any health claims, or provide actual costs of products for economic claims, etc. Include a proper in-text citation for your fact-based information, and a complete APA reference for each of your sources of information. You are welcome to use your textbook as one of your sources for supporting information.
Topic

Topic:

Biology

View solution

View more
Doubt Icon Doubt Icon

Stuck on the question or explanation?

Connect with our Biology tutors online and get step by step solution of this question.

231 students are taking LIVE classes

Related books for questions on Transport in Plants

next icon
next icon
Question Text
Briefly describe water potential. What are the factors affecting it?
TopicTransport in Plants
SubjectBiology
ClassClass 11
Answer TypeText solution:1
Upvotes16