Which is the primary reason for leaf fall in deciduous forests? MCQ with Answer and Explanation

Question
Which is the primary reason for leaf fall in deciduous forests?
A. Excess rainfall
B. Strong winds
C. Water conservation during dry seasons
D. High humidity
Answer: Option C
Solution (By JKExamLibrary)
Trees shed leaves to reduce transpiration and conserve water during dry periods.
This question belongs to: Geography GK Natural Vegetation of India
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Question #1
The Thar Desert in Rajasthan is an example of which type of vegetation?
A. Tropical Deciduous
B. Mangrove
C. Tropical Evergreen
D. Thorny bushes and scrubs
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Correct Answer: Option D

Explanation:
The Thar Desert in Rajasthan is characterized by thorny bushes and scrubs, adapted to survive in harsh, arid conditions.[reference:26]
This question belongs to: Geography GK Natural Vegetation of India
Question #2
Which of the following is an important tree species of the Tropical Evergreen forests?
A. Teak
B. Sal
C. Neem
D. Rosewood
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Correct Answer: Option D

Explanation:
Rosewood is a commercially important tree species of Tropical Evergreen forests.[reference:56]
This question belongs to: Geography GK Natural Vegetation of India
Question #3
Which forest type generally has the thickest undergrowth due to high humidity?
A. Tropical Evergreen Forest
B. Coniferous Forest
C. Thorn Forest
D. Dry Scrub Forest
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Correct Answer: Option A

Explanation:
High humidity and abundant rainfall encourage dense undergrowth of shrubs, climbers, and epiphytes in evergreen forests.
This question belongs to: Geography GK Natural Vegetation of India
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