UPSC CSE Prelims
Question 65
Leaf litter decomposes faster than in any other biome and as a result the soil surface is often almost bare. Apart from trees, the vegetation is largely composed of plant forms that reach up into the canopy vicariously, by climbing the trees or growing as epiphytes, rooted on the upper branches of trees.' This is the most likely description of
View correct answer and explanation
Correct answer: D
Correct Option: D (tropical rain forest)
Explanation: Warm humid tropical rainforest conditions allow rapid litter decomposition and luxuriant vines/epiphytes reaching the canopy through tall trees.
Option-wise Analysis:
A. Incorrect-Cold coniferous climates usually slow decomposition and produce thick litter layers.
B. Incorrect-Dry deciduous forests have seasonal leaf fall and generally fewer humid-forest epiphytes.
C. Incorrect-Mangrove forests are tidal coastal wetlands, not the described high rainforest-canopy system.
D. Correct-tropical rainforests combine quick decomposition and numerous lianas/epiphytes.