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Chapters
Chapter 2: Reproduction in Lower and Higher Animals
Chapter 3: Inheritance and Variation
Chapter 4: Molecular Basis of Inheritance
Chapter 5: Origin and Evolution of Life
▶ Chapter 6: Plant Water Relation
Chapter 7: Plant Growth and Mineral Nutrition
Chapter 8: Respiration and Circulation
Chapter 9: Control and Co-ordination
Chapter 10: Human Health and Diseases
Chapter 11: Enhancement of Food Production
Chapter 12: Biotechnology
Chapter 13: Organisms and Populations
Chapter 14: Ecosystems and Energy Flow
Chapter 15: Biodiversity, Conservation and Environmental Issues
Solutions for Chapter 6: Plant Water Relation
Below listed, you can find solutions for Chapter 6 of Maharashtra State Board Balbharati for Biology 12th Standard HSC for Maharashtra State Board.
Balbharati solutions for Biology 12th Standard HSC for Maharashtra State Board Chapter 6 Plant Water Relation Exercises [Pages 132 - 133]
Multiple Choice Question:
In soil, water available for absorption by root is ______.
gravitational water
capillary water
hygroscopic water
combined water
Multiple Choice Question:
The most widely accepted theory for ascent of sap is ______.
capillarity theory
root pressure theory
diffusion
transpiration pull theory
Multiple Choice Question:
Water movement between the cells is due to ______.
T.P.
W.P.
DPD
incipient plasmolysiS
Multiple Choice Question:
In guard cells, when sugar is converted into starch, the stomatal pore ______.
closes almost completely
opens partially
opens fully
remains unchanged
Multiple Choice Question:
Surface tension is due to ____________.
diffusion
osmosis
gravitational force
cohesion
Multiple Choice Question:
Which of the following type of solution has a lower level of solutes than the solution?
Isotonic
Hypotonic
Hypertonic
Anisotonic
Multiple Choice Question:
During rainy season wooden doors warp and become difficult to open or to close because of ______
plasmolysis
imbibition
osmosis
diffusion
Multiple Choice Question:
Water absorption takes place through ______.
lateral roots
root cap
root hair
primary root
Multiple Choice Question:
Due to low atmospheric pressure the rate of transpiration will ____________.
increase
decrease rapidly
decrease slowly
remain unaffected
Multiple Choice Question:
Osmosis is a property of ______.
solute
solvent
solution
membrane
Very short answer question.
What is osmotic pressure?
Very short answer question.
Name the condition in which protoplast of the plant cell shrinks.
What happens when a pressure greater than the atmospheric pressure is applied to pure water or a solution?
Very short answer question.
Which type of solution will bring about deplasmolysis?
Very short answer question.
Which type of plants have negative root pressure?
Very short answer question.
In which conditions transpiration pull will be affected?
Very short answer question.
Mention the shape of guard cells in Cyperus.
Very short answer question.
Why do diurnal changes occur in osmotic potential of guard cells?
Very short answer question.
What is the symplast pathway?
Answer the following question.
Describe the mechanism for absorption of water.
Answer the following question.
Discuss theories of water translocation.
Answer the following question.
What is transpiration?
Answer the following question.
Describe the mechanism of opening and closing of stomata.
Answer the following question.
What is transpiration?
Answer the following question.
Explain the role of transpiration.
Answer the following question.
What is the significance of transpiration?
Answer the following question.
Explain the root pressure theory and its limitations.
Explain capillarity theory.
Answer the following question.
Why is transpiration is called ‘a necessary evil’?
Explain the movement of water in the root.
Very short answer question.
What is osmotic pressure?
Answer the following question.
Define and or explain the term:
Diffusion
Answer the following question.
Define and or explain the term:
Plasmolysis
Define and or explain the term:
imbibition
Answer the following question.
Define and or explain the term:
Guttation
Answer the following question.
Define and or explain the term:
Transpiration
Answer the following question.
Define and or explain the term:
Ascent of sap
Answer the following question.
Define and or explain the term:
Active absorption
Answer the following question.
Define and or explain the term:
DPD
Define the following:
Turgor pressure
Answer the following question.
Define and or explain the term:
Water potential
Answer the following question.
Define and or explain the term:
Wall pressure
Answer the following question.
Define and or explain the term:
Root pressure
Answer the following question.
Distinguish between Osmotic pressure and Turgor pressure.
Answer the following question.
Distinguish between Diffusion and Osmosis
Answer the following question.
Enlist macronutrients and micronutrients required for plant growth.
Answer the following question.
How are the minerals absorbed by the plants?
Describe structure of root hair.
Long answer question.
Write on journey of water from soil to xylem in roots.
Long answer question.
Explain cohesion theory for translocation of water.
Long answer question.
Write mechanism of opening and closing of stoma.
Long answer question.
What is hydroponics? How is it useful in identifying the role of nutrients?
Long answer question.
Explain the active absorption of minerals.
Answer the following question.
Enlist macronutrients and micronutrients required for plant growth.
Solutions for Chapter 6: Plant Water Relation
Balbharati solutions for Biology 12th Standard HSC for Maharashtra State Board chapter 6 - Plant Water Relation
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Concepts covered in Biology 12th Standard HSC for Maharashtra State Board chapter 6 Plant Water Relation are Plant Water Relation, Water and Mineral Absorption by Root, Characteristics of Roots for Absorbing Water, Water Available to Roots for Absorption, Concept of Imbibition, Simple Diffusion, Concept of Osmosis, Osmotic Pressure, Facilitated Diffusion, Turgidity and Flaccidity (Plasmolysis), Active Transport, Passive Transport, Water Potential (ψ), Path of Water Across the Root, Translocation of Water (Ascent of Sap), Translocation of Mineral Ions, Transport of Food, Transpiration, Kinds of Transpiration, Structure of Stomatal Apparatus, Significance of Transpiration, Means of Transport in Plants, Properties of Water.
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