In an experiment, four freshly plucked leaves (A - D) of a plant, such

1.	In an experiment, four freshly plucked leaves (A - D) of a plant, such as those of China-Rose, were treated as follows : (A) coated with vaseline on its upper surface. (B) coated on the lower surface. (C) coated on both surfaces. (D) left uncoated. All the four leaves A, B, C and D were left in a room for about 24 hours. (i) Which leaf would become most limp ? Why ? (ii) Which leaf would show least limping ? Why ?
Answer» In an experiment, four freshly plucked leaves (A - D) of a plant, such as those of China-Rose, were treated as follows : (A) coated with vaseline on its upper surface. (B) coated on the lower surface. (C) coated on both surfaces. (D) left uncoated. All the four leaves A, B, C and D were left in a room for about 24 hours. (i) Which leaf would become most limp ? Why ? (ii) Which leaf would show least limping ? Why ?

In an experiment, four freshly plucked leaves (A - D) of a plant, such as those of China-Rose, were treated as follows : (A) coated with vaseline on its upper surface. (B) coated on the lower surface. (C) coated on both surfaces. (D) left uncoated. All the four leaves A, B, C and D were left in a room for about 24 hours. (i) Which leaf would become most limp ? Why ? (ii) Which leaf would show least limping ? Why ?

Answer»

In an experiment, four freshly plucked leaves (A - D) of a plant, such as those of China-Rose, were treated as follows :

(A) coated with vaseline on its upper surface.

(B) coated on the lower surface.

(D) left uncoated.

All the four leaves A, B, C and D were left in a room for about 24 hours.

(i) Which leaf would become most limp ? Why ?

(ii) Which leaf would show least limping ? Why ?