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)

The experimental set-up shown below to demonstrate that CO 2 is released during respiration will not yield the expected result because

there is no KOH solution in the flask

germinating seeds are not immersed in water

the delivery tube is dipped in water

HARD

Earn 100

According to the potassium pump theory which of the following phenomenon is responsible for closing of stomata in the dark?

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Important Questions on Transport in Plants

MEDIUM

Biology>Plant Physiology>Transport in Plants>Transpiration

Stomatal movement is not affected by

EASY

Biology>Plant Physiology>Transport in Plants>Transpiration

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.

EASY

Biology>Plant Physiology>Transport in Plants>Transpiration

Stomata in grass leaf are

EASY

Biology>Plant Physiology>Transport in Plants>Transpiration

Given below is a diagram of the stomatal apparatus. Match the labels with the corresponding names of the compounds.

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Choose the correct combination.

MEDIUM

Biology>Plant Physiology>Transport in Plants>Transpiration

Three uniformly watered plants i, ii and iii were kept in 45% relative humidity, 45% relative humidity with blowing wind and 95% relative humidity, respectively. Arrange these plants in the order (faster to slowest) in which they will dry up.

EASY

Biology>Plant Physiology>Transport in Plants>Transpiration

Transpiration and root pressure cause water to rise in plants by:

MEDIUM

Biology>Plant Physiology>Transport in Plants>Transpiration

Take two plants, keep plant

A

in very dry conditions and plant

B

in high humidity. Simultaneously, immerse the roots of both plants in water with a red dye. What would you observe?

MEDIUM

Biology>Plant Physiology>Transport in Plants>Transpiration

Study the diagram and the list given below.

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i) Chloroplast

ii) Epidermal cell

iii) Guard cell

iv) Subsidiary cell

v) Stomatal pore

The correct match is

MEDIUM

Biology>Plant Physiology>Transport in Plants>Transpiration

Which of the following facilitates opening of stomatal aperture?

EASY

Biology>Plant Physiology>Transport in Plants>Transpiration

Which one gives the most valid and recent explanation for stomatal movements?

HARD

Biology>Plant Physiology>Transport in Plants>Transpiration

Water vapour comes out from the plant leaf through the stomatal opening. Through the same stomatal opening, carbon dioxide diffuses into the plant during photosynthesis. Reason out the above statements using one of the following options:

EASY

Biology>Plant Physiology>Transport in Plants>Transpiration

Which of the following is necessary for respiration in plants

MEDIUM

Biology>Plant Physiology>Transport in Plants>Transpiration

How does respiration occur in submerged aquatic plants?

MEDIUM

Biology>Plant Physiology>Transport in Plants>Transpiration

The experimental set-up shown below to demonstrate that CO₂is released during respiration will not yield the expected result because
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