Match List - I with List - II and choose the correct answer.
| 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 |
Correct Answer :
a - (ii) b - (iv) c - (i) d - (iii)
Solution :
The correct option is a - (ii) b - (iv) c - (i) d - (iii).
Let us analyze and match each term from List-I with the corresponding description in List-II:
(a) Cohesion:
Cohesion is defined as the force of mutual attraction between similar molecules. For water, it refers to the intermolecular attraction holding water molecules together. Therefore, (a) matches with (ii) Mutual attraction among water molecules.
(b) Adhesion:
Adhesion is the attraction between water molecules and a polar surface, such as the walls of tracheids and xylem vessels. Therefore, (b) matches with (iv) Attraction towards polar surfaces.
(c) Surface tension:
Surface tension is the physical property of water where molecules in the liquid phase are attracted to one another more than they are to water in the gaseous phase. This gives water a high tensile strength. Therefore, (c) matches with (i) More attraction in liquid phase.
(d) Guttation:
Guttation is the loss of water in the form of liquid droplets from the tips or margins of leaves of certain herbaceous plants, occurring through specialized pores called hydathodes. Therefore, (d) matches with (iii) Water loss in liquid phase.
Putting it all together, the correct matching is:
a - (ii)
b - (iv)
c - (i)
d - (iii)
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