The correct option is (a).
Explanation
Tropical Evergreen Forests flourish in areas having heavy rainfall (exceeding 200 cm annually) with a short dry season. These forests are characterized by high temperatures, high humidity, and dense, multi-layered vegetation.
Statement-wise Analysis:
- Statement 1 is Correct: Since these regions remain warm and wet throughout the year, there is no distinct dry season. As a result, trees do not shed their leaves simultaneously at any specific time of the year. Different species shed leaves at different times, ensuring the forest appears green year-round.
- Statement 2 is Incorrect: These forests are known for their dense stratification and significant vertical growth. Trees in these forests often reach great heights, typically up to 60 metres or even more, as they compete for sunlight in the dense canopy. A height limit of 10 metres is characteristic of scrub or thorn forests, not evergreen forests.
- Statement 3 is Incorrect: Tropical Evergreen Forests are primarily found on the western slopes of the Western Ghats, in island groups like Lakshadweep and the Andaman and Nicobar Islands, and in the upper parts of Assam and the Tamil Nadu coast. The desert regions of Rajasthan are characterized by Tropical Thorn Forests and Scrubs due to scanty rainfall (less than 50 cm).
Key Takeaway:
Tropical Evergreen Forests are defined by heavy rainfall, trees reaching heights up to 60 metres, and the absence of a definite leaf-shedding season, restricted geographically to high-precipitation zones like the Western Ghats and Northeast India.