Which vegetation type should be identified when sal and teak appear together?

Correct answer: Tropical deciduous forest

Direct answer: Option B, tropical deciduous forest. Sal and teak are important trees of tropical deciduous forests in India. First identify the clue: both trees can grow in regions with a marked dry season. During the dry period, many deciduous trees shed leaves to reduce water loss; during the rainy season, they grow again. Option A, mangrove forest, is wrong because mangroves grow in salty coastal, tidal or deltaic water and have special salt-tolerant adaptations. Option B is correct because sal and teak are standard examples of deciduous forest trees. Option C, alpine grassland, occurs at high mountain elevations and is mainly grass and low vegetation, not sal and teak woodland. Option D, thorn forest, is adapted to very low rainfall and has thorny, small-leaved plants such as babul and cactus-like vegetation; it is not identified by sal and teak. Memory cue: sal and teak plus a seasonal dry period means deciduous forest.