Plant water relations

In plants, water is essential for .......

• Growth

• Translocation of solutes

• Metabolic activities

• All of these

Tags

NGSS.MS-LS1-5

NGSS.MS-LS1-6

NGSS.MS-LS1-7

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Diffusion pressure is directly proportional to .......

• Concentration

• Temperature

• Both a and b

• None of these

Tags

NGSS.HS-PS1-5

During osmosis, water molecules move from .......

• Low concentration to high concentration

• High concentration to low concentration

• Both a and b

• None of these

Tags

NGSS.MS-LS2-3

When the seeds placed in water, they swell up because of .......

• Osmosis

• Diffusion

• Plasmolysis

• Imbibition

Tags

NGSS.MS-LS1-2

The shrinking protoplasm of a plant cell is called .......

• Flaccidity

• Turgidity

• Plasmolysis

• Permeability

Tags

NGSS.MS-LS1-2

Xylem conducts sap from .......

• Root to leaves

• Stem to leaves

• Leaves to root

• Stem to root

Tags

NGSS.MS-LS2-1

NGSS.MS-LS2-3

Cohesion theory is related to .......

• Translocation of solutes

• Mineral salt absorption

• Ascent of sap

• Transpiration

Transpiration pull theory was proposed by .......

• Godlewski and Bose

• Stocking and Priestley

• Boehm and Jolly

• Dixon and Jolly

In the absence of root pressure, ascent of sap ......

• Continues

• Stops

• Reverse

• Forward

In water molecule oxygen molecule is attached to two hydrogen atoms by

• Hydrogen Bond

• Covalent Bond

• Phosphate Bond

• Oxygen Bond

Tags

NGSS.MS-PS1-1