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UPSC Prelims 1983 · World Geography · Countries, Rivers and Resources
The tropical deciduous trees shed their leaves in summer
- (a) Leaves get dried up due to the excessive heat
- (b) To prevent excessive loss of water through transpiration
- (c) Because rainfall is inadequate
- (d) Days are long
Show the answer and explanation
Answer: (b) To prevent excessive loss of water through transpiration
Shedding leaves cuts transpiration during the dry, hot season.
Why the others are wrong
(a) Leaves are shed actively, not simply dried by heat.
(c) Low rain is the condition; saving water is the purpose.
(d) Day length is not the reason.
The trap
Option (c) describes the dry season; (b) explains the response.
🔒 Tropical deciduous (monsoon) forests: teak, sal; most widespread forest type in India.
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