Question

Ham JinulunCDIAN
1. The given figure represents an experiment :
legal
B
C
A
D
(a) Leaf A was coated with grease on both the surfaces.
(b) Leaf B was coated with grease on the lower surface.
(c) Leaf C was coated with grease on the upper surface.
(d) Leaf D was left without any application of grease.
All the four leaves A, B, C and D were left in a room for
about 24 hours
(i) Which leaf dries first ? Give reason.
(ii) Which leaf dries last ? Give reason​

Answer 1

Answer:

1. D leaves dries first bcoz transpiration takes place from both the surfaces.

2.A leaves dries last bcoz transpiration takes place from none of the surfaces so water loss does not takes place.

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Answer 2

Hiii

Explanation:

Leaf(D) will dry first because of transpiration all the water will evaporate,on the other hand

Leaf(A) will dry at last because of less transpiration due to grease covering on both side

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