Identify the correct match of the type of water given in column-I and its character in column-II and select the correct option. Column-I Column-II (i) Capillary water (a) present in the form of hydrated oxides of silicon and aluminium. (ii) Hygroscopic water (b) goes down through large pores between soil particles and reaches the water table. (iii) Combined water (c) held in between small non-colloidal soil particles. (iv) Gravitational water (d) held tightly around soil particles by adhesive forces.

(i)-(c), (ii)-(d), (iii)-(a), (iv)-(b)

(i)-(c), (ii)-(d), (iii)-(b), (iv)-(a)

(i)-(c), (ii)-(a), (iii)-(b), (iv)-(d)

(i)-(c), (ii)-(b), (iii)-(d), (iv)-(a)

Match List - I with List - II. List-I List-II (a) Cohesion (i) More attraction in liquid phase (b) Adhesion (ii) Mutual attraction among water molecules (c) Surface tension (iii) Water loss in liquid phase (d) Guttation (iv) Attraction towards polar surfaces

( a ) - ( ii ) ; ( b ) - ( iv ) ; ( c ) - ( i ) ; ( d ) - ( iii )

( a ) - ( iii ) ; ( b ) - ( iv ) ; ( c ) - ( ii ) ; ( d ) - ( i )

( a ) - ( iii ) ; ( b ) - ( i ) ; ( c ) - ( iv ) ; ( d ) - ( ii )

( a ) - ( ii ) ; ( b ) - ( i ) ; ( c ) - ( iv ) ; ( d ) - ( iii )

MEDIUM

Earn 100

We know that roots absorb water and minerals from soil. How is this possible?

Important Questions on Plant Physiology

MEDIUM

Life Science>Physiological Processes of Life>Plant Physiology>Movement of Water, Minerals,Food and Gases

Match List I with List II:

List I	List II
A. Cohesion	I. More attraction in liquid phase
B. Adhesion	II. Mutual attraction among water molecules
C. Surface tension	III. Water loss in liquid phase
D. Guttation	IV. Attraction towards polar surfaces

Choose the correct answer from the options given below:

HARD

Life Science>Physiological Processes of Life>Plant Physiology>Movement of Water, Minerals,Food and Gases

How does ascent of sap takes place in tall trees?

MEDIUM

Life Science>Physiological Processes of Life>Plant Physiology>Movement of Water, Minerals,Food and Gases

Which of the following is not observed during the apoplastic pathway?

HARD

Life Science>Physiological Processes of Life>Plant Physiology>Movement of Water, Minerals,Food and Gases

A submarine has a window of area

30 \times 30 {cm}^{2}

on its ceiling and is at a depth of

100 m

below sea level in a sea. If the pressure inside the submarine is maintained at the sea-level atmosphere pressure, then the force acting on the window is (consider density of sea water

= 1.03 \times 10^{3} kg m^{- 3}

acceleration due to gravity

= 10 m s^{- 2}

EASY

Life Science>Physiological Processes of Life>Plant Physiology>Movement of Water, Minerals,Food and Gases

If the humidity of the atmosphere suddenly increases substantially, the water flow in the xylem will-

EASY

Life Science>Physiological Processes of Life>Plant Physiology>Movement of Water, Minerals,Food and Gases

Given below are sets of five terms each. Rewrite the terms in correct order in a logical sequence beginning with the first word that is underlined:

Root hair, Endodermis, Epidermis, Xylem, Cortex.

MEDIUM

Life Science>Physiological Processes of Life>Plant Physiology>Movement of Water, Minerals,Food and Gases

Explain apoplast pathway of water in plants. Draw a diagram to show major paths of water flow in plant cells.

HARD

Life Science>Physiological Processes of Life>Plant Physiology>Movement of Water, Minerals,Food and Gases

How does ascent of sap occur in tall tree?

EASY

Life Science>Physiological Processes of Life>Plant Physiology>Movement of Water, Minerals,Food and Gases

Identify the correct match of the type of water given in column-I and its character in column-II and select the correct option.

Column-I		Column-II
(i)	Capillary water	(a)	present in the form of hydrated oxides of silicon and aluminium.
(ii)	Hygroscopic water	(b)	goes down through large pores between soil particles and reaches the water table.
(iii)	Combined water	(c)	held in between small non-colloidal soil particles.
(iv)	Gravitational water	(d)	held tightly around soil particles by adhesive forces.

MEDIUM

Life Science>Physiological Processes of Life>Plant Physiology>Movement of Water, Minerals,Food and Gases

Match List - I with List - II.

List-I		List-II
(a)	Cohesion	(i)	More attraction in liquid phase
(b)	Adhesion	(ii)	Mutual attraction among water molecules
(c)	Surface tension	(iii)	Water loss in liquid phase
(d)	Guttation	(iv)	Attraction towards polar surfaces