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 )

Water, mineral salts, some organic nitrogen and hormones

Water, mineral salts and some organic nitrogen only

MEDIUM

Earn 100

Which of the following is not related with transpiration pull theory?

50% studentsanswered this correctly

Important Questions on Transport in Plants

EASY

Biology>Plant Physiology>Transport in Plants>Long Distance Transport of Water

A column of water within xylem vessels of tall trees does not break under its weight because of:

EASY

Biology>Plant Physiology>Transport in Plants>Long Distance Transport of Water

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.

HARD

Biology>Plant Physiology>Transport in Plants>Long Distance Transport of Water

How does ascent of sap occur in tall tree?

MEDIUM

Biology>Plant Physiology>Transport in Plants>Long Distance Transport of Water

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

EASY

Biology>Plant Physiology>Transport in Plants>Long Distance Transport of Water

The loss of water in the form of water vapour through stomata on leaves is known as _____.

MEDIUM

Biology>Plant Physiology>Transport in Plants>Long Distance Transport of Water

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

EASY

Biology>Plant Physiology>Transport in Plants>Long Distance Transport of Water

Assertion (A): In the apoplast pathway, water movement is ultimately symplastic in the endodermis

Reason (R): Root endodermal cells are suberized

HARD

Biology>Plant Physiology>Transport in Plants>Long Distance Transport of Water

Find correct statements from the following
$A)$ Protein transporters are responsible for maximum rates of transport under saturated state
$B)$ Translocation of substances in bulk flow requires hydrostatic pressure gradient
$C)$ Root pressure plays the greatest contribution for upward movement of water in tall plants
$D)$ Transport proteins of endodermal cells are control points for active transport of ions in two directions

The correct answer is

EASY

Biology>Plant Physiology>Transport in Plants>Long Distance Transport of Water

The living component of xylem tissue is

EASY

Biology>Plant Physiology>Transport in Plants>Long Distance Transport of Water

Root pressure is usually acidic because:

MEDIUM

Biology>Plant Physiology>Transport in Plants>Long Distance Transport of Water

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:

MEDIUM

Biology>Plant Physiology>Transport in Plants>Long Distance Transport of Water

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

HARD

Biology>Plant Physiology>Transport in Plants>Long Distance Transport of Water

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