Correct Answer: Option C — Tropical Thorn Forest. Tropical Thorn Forest is correctly identified as acacia, babul, khejri and cactus-like succulents are typical. Tropical Thorn Forest is also associated with small leaves, thorns and deep roots help conserve water. Another identifying fact about Tropical Thorn Forest is that acacia, babul, khejri and cactus-like succulents are typical. A further exam-relevant fact about Tropical Thorn Forest is that small leaves, thorns and deep roots help conserve water. Why the other options are incorrect: • Option A — Montane Forest: Montane Forest is oak and chestnut occur lower down while conifers dominate many higher belts. It is incorrect here because Montane Forest is instead associated with temperature decline with elevation produces clear vegetation zonation. • Option B — Mangrove Forest: Mangrove Forest is sundari is an important tree associated with the Sundarbans. It is incorrect here because Mangrove Forest is instead associated with specialized roots help plants survive waterlogged and oxygen-poor mud. • Option D — Shola Forest: Shola Forest is forest patches are interspersed with rolling montane grasslands. It is incorrect here because Shola Forest is instead associated with the Nilgiri, Anaimalai and Palani hills contain important shola-grassland landscapes. Exam Takeaway: Connect Tropical Thorn Forest with “acacia, babul, khejri and cactus-like succulents are typical” and “small leaves, thorns and deep roots help conserve water” for revision.