EASY
Earn 100

The symplast pathway is most easily disrupted when:
(a)Water transport channels in the plasma membrane of the root hair cells malfunction
(b)Water transport channels in the plasma membrane of the root cortex malfunction
(c)Water transport channels in the plasma membrane of the root endodermis malfunction
(d)Water transport channels in the plasma membrane of the guard cells malfunction

40% studentsanswered this correctly
Important Questions on Plant Water Relation
MEDIUM
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

MEDIUM

HARD

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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 |

EASY
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. |

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Assertion (A): In the apoplast pathway, water movement is ultimately symplastic in the endodermis
Reason (R): Root endodermal cells are suberized

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MEDIUM
Represent the union of two sets by Venn diagram for each of the following.
is a prime number between and
is an odd number between and

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