The Ganga-Brahmaputra delta is especially known for the presence of which of the following trees?

Correct option is A

The correct answer is (a) Sundari trees yielding durable hard timber

Explanation:
• The Ganga-Brahmaputra delta is the largest delta in the world, home to the Sundarbans mangrove forest.
• It is named after the Sundari trees (Heritiera fomes) which are the dominant species in this region.
• These trees provide durable hard timber that is used for boat building and construction.
• These are mangrove forests (tidal forests) that thrive in saline water and marshy conditions.
• Other species found here include palm, coconut, and keora.

Information Booster:
• The Sundarbans is a UNESCO World Heritage Site and is famous for the Royal Bengal Tiger.
• Mangrove trees have pneumatophores (breathing roots) that grow upwards to take in oxygen from the air.

Additional Knowledge:
Chir pine trees (Option b)
• These are coniferous trees found in the Himalayan temperate forests, not in deltas.
Deodar trees (Option c)
• Deodar is also a Himalayan conifer, known for its high-quality wood used in houseboats and construction.
Acacia trees (Option d)
• These are found in Tropical Thorn Forests in semi-arid regions like Rajasthan and Gujarat.

So the correct answer is (a)