Q110. The coniferous trees and shrubs of the Himalayan region chiefly represent which vegetation?
[SSC Selection Post Matriculation (25 Jul 2025, Shift 1)]
(A) Tropical evergreen
(B) Temperate vegetation
(C) Tundra vegetation
(D) Desert vegetation
Answer: (B) Temperate vegetation
Explanation: Himalayan conifers such as pine, fir and deodar occur mainly in temperate montane belts. Vegetation changes with increasing elevation and falling temperature. The alpine zone at still greater heights contains grasses, shrubs, mosses and lichens.
Q109. Which forest type is normally NOT found in Rajasthan?
[RSSB JE Mechanical (10 Feb 2025)]
(A) Mangrove forests
(B) Tropical thorn forests
(C) Dry deciduous forests
(D) Subtropical hill forests
Answer: (A) Mangrove forests
Explanation: Rajasthan’s predominantly arid or semiarid inland climate supports thorn scrub and dry deciduous vegetation, with montane varieties near Mount Abu. Mangroves require saline tidal coasts, a natural setting absent from landlocked Rajasthan.
Q108. What vegetation is characteristic of Himalayan areas above about 3,000 metres?
[OSSSC CRE Prelims (8 Oct 2025, Shift 3)]
(A) Montane forests and alpine grasslands
(B) Tropical evergreen forests
(C) Tropical thorn forests
(D) Tropical deciduous forests
Answer: (A) Montane forests and alpine grasslands
Explanation: At high Himalayan elevations, falling temperatures restrict tree growth and alpine grasslands and shrubs replace lower montane forests. The precise vegetation boundary varies by slope and latitude. Snow, strong winds and short growing seasons influence plant life.
Q107. Which forest vegetation is especially found near Mount Abu in Rajasthan?
[RSMSSB JE Civil (22 Feb 2025)]
(A) Dry tropical deciduous
(B) Subtropical mountain forests
(C) Tidal mangroves
(D) Tropical thorn scrub
Answer: (B) Subtropical mountain forests
Explanation: Mount Abu has greater elevation and localized moisture than Rajasthan’s surrounding arid plains, allowing subtropical hill or mountain vegetation. This contrasts with widespread thorn scrub in western Rajasthan, where rainfall is scanty and evaporation is high.
Q106. Sal, shisham and hurra are trees of which forest type?
[DSSSB TGT Computer Science (12 Sep 2025, Shift 1)]
(A) Littoral and swamp forests
(B) Tropical deciduous forests
(C) Tropical thorn forests
(D) Tropical evergreen forests
Answer: (B) Tropical deciduous forests
Explanation: Sal and shisham are important trees of tropical deciduous vegetation. Seasonal rainfall produces a marked leaf-shedding period. Littoral forests instead occupy coastal wetlands, while tropical evergreen forests are associated with heavy and more consistent rainfall.
Q105. Khair and khejri are mainly associated with which forest?
[DSSSB TGT Mathematics (14 Nov 2025, Shift 2)]
(A) Thorn forests
(B) Mangrove forests
(C) Tropical evergreen forests
(D) Montane forests
Answer: (A) Thorn forests
Explanation: Khair and khejri are suited to relatively dry environments and are commonly linked to tropical thorn forests and scrub. Their water-conserving adaptations are useful in arid and semiarid terrain, unlike moisture-demanding rainforest trees.
Q104. Mangrove forests are characteristically associated with which landform?
[RPF Constable (18 Mar 2025, Shift 2)]
(A) Cold deserts
(B) Hot deserts
(C) River deltas and tidal coasts
(D) High plateaus
Answer: (C) River deltas and tidal coasts
Explanation: Mangroves flourish where river water, marine tides and fine sediments meet, especially in deltas and estuaries. Their specialized roots tolerate saturated soils, and many species tolerate salt. Indian examples include the Sundarbans and Odisha’s coastal wetlands.
Q103. In which state is the Sundarbans mangrove forest found?
[RPF Constable (5 Mar 2025, Shift 3)]
(A) Kerala
(B) West Bengal
(C) Gujarat
(D) Odisha
Answer: (B) West Bengal
Explanation: The Sundarbans spread across southern West Bengal and Bangladesh in the Ganga–Brahmaputra delta. Salt-tolerant trees inhabit a maze of estuaries, islands and tidal creeks. Their root networks also help stabilize sediment.
Q102. Which type of vegetation is typical of the Rajasthan desert?
[DSSSB ASO (20 Aug 2025, Shift 2)]
(A) Tropical deciduous forests
(B) Mangrove forests
(C) Montane forests
(D) Tropical thorn forests and scrub
Answer: (D) Tropical thorn forests and scrub
Explanation: The Rajasthan desert receives little rainfall, so vegetation is sparse and dominated by xerophytic shrubs, grasses and thorny trees. Small leaves and long roots help reduce water loss and extract moisture from dry soils.
Q101. Above about 3,600 metres in the Himalayas, vegetation commonly changes towards which type?
[IB Security Assistant (29 Sep 2025, Shift 2)]
(A) Tropical creepers
(B) Tundra vegetation with mosses and lichens
(C) Tropical deciduous trees
(D) Teak and sal forests
Answer: (B) Tundra vegetation with mosses and lichens
Explanation: Near and above the Himalayan tree line, low temperatures and short growing seasons favour alpine shrubs, grasses, mosses and lichens. Tall tropical hardwoods cannot withstand the prolonged cold and snow at these elevations.
