If you travel through the Himalayas, you are likely to see which of the following plants naturally growing there? 1. Oak 2. Rhododendron 3. Sandalwood Select the correct answer using the code given below.

Updated 11 Apr 2026 · From UPSC Prelims GS Paper I 2014, Q27

Contents18
UPSC Prelims GS2014Geography
  1. A1 and 2 only
  2. B3 only
  3. C1 and 3 only
  4. D1, 2 and 3
Show answer

Answer: (A) 1 and 2 only

Correct Answer: A (1 and 2 only)

1. Oak (Correct)

  • The Environment: Oak trees thrive in temperate broadleaf forests.
  • Himalayan Presence: They are highly characteristic of the middle altitudes of the Himalayas (between 1,500 to 3,000 meters), forming vast natural green canopies.

2. Rhododendron (Correct)

  • The Environment: Rhododendrons prefer cool, moist, montane climates.
  • Himalayan Presence: They are iconic to the Himalayan region, ranging from large trees in the lower ranges to dwarf shrubs at higher alpine altitudes. Their vibrant pink and red spring blooms dominate the mountain landscapes.

3. Sandalwood (Incorrect)

  • The Environment: Sandalwood (Chandan) is a tropical dry deciduous tree species.
  • The Reality: It requires a warm climate with distinct wet and dry seasons. It grows natively in Southern India—predominantly across the Western Ghats, Karnataka, and Tamil Nadu. It does not naturally grow in the cold, high-altitude alpine or temperate climate of the Himalayas.

Geographic Breakdown

Plant Species Climatic Zone Key Indian Habitats
Oak / Rhododendron Montane Temperate Himalayas (Middle & High altitudes)
Sandalwood Tropical Deciduous South India (Deccan Plateau & Western Ghats)

The Simple Elimination Trap

  • Spot the Geographical Outlier: Sandalwood is universally famous as a product of South Indian forests (think Veerappan or Karnataka's soap industry).
  • Eliminate Options: Realizing that a tropical South Indian tree like Sandalwood (Statement 3) cannot naturally grow in the freezing Himalayas immediately lets you cross out options B, C, and D. This leaves you with A (1 and 2 only) as the only logical answer.
Why this was asked

The Himalayas have distinct vegetation zones from tropical foothills to alpine peaks, with sandalwood growing in the moist deciduous foothill forests alongside teak and sal.

Most students wrongly associate sandalwood only with South India's dry deciduous forests, missing that it also grows in Himalayan foothills receiving 100-200 cm rainfall.

UPSC is testing whether students understand altitudinal vegetation zonation rather than just memorizing which plants grow in which states.

Himalayan Vegetation Zones

Geography Himalayas Oak Rhododendron

Himalayan Vegetation Zones: Altitudinal Distribution & Key Species

Must know

Himalayas show altitudinal zonation from tropical foothills to alpine meadows

Oak and Rhododendron are classic temperate Himalayan species

Sandalwood grows in Himalayan foothills (100-200 cm rainfall zones)

Good to know

Temperature decreases 6°C per 1000m altitude gain

Zonation Concept

The Himalayas act like a vertical continent — as you climb higher, temperature drops and vegetation changes dramatically. Each altitude belt has distinct plant communities adapted to specific temperature and moisture conditions.

Himalayan Vegetation Zones

Altitude

Zone

Key Species

Climate

Up to 1000m

Tropical Deciduous

Sal, Teak, Shisham, Sandalwood

Hot, 100-200cm rainfall

1000-2000m

Temperate Deciduous

Oak, Maple, Chestnut

Moderate, wet summers

2000-3000m

Temperate Coniferous

Pine, Deodar, Fir

Cool, heavy snowfall

3000-4000m

Alpine

Rhododendron, Juniper, Birch

Cold, short summers

Above 4000m

Alpine Meadows

Grasses, Herbs, Mosses

Very cold, permanent snow

Question Context

This question tests whether you know Sandalwood grows in Himalayan foothills, not just South India. The trap is assuming sandalwood is only a peninsular species.

Visual Zonation

Altitudinal zonation creates distinct vegetation belts — each species has its preferred elevation range
Altitudinal zonation creates distinct vegetation belts — each species has its preferred elevation range

Source: Shutterstock — Vector Illustration High-altitude Zones Himalayas Flat Stock ... · www.shutterstock.com

Exam traps

Trap: Assuming Sandalwood only grows in South India — it also thrives in Himalayan foothills

Trap: Confusing Rhododendron with only ornamental plants — it's a major wild Himalayan genus

Trap: Thinking Oak is only European — several oak species are native to Himalayan temperate zones

Sandalwood Distribution in India

Geography Sandalwood

Sandalwood Distribution: Beyond South India

Must know

Santalum album (White Sandalwood) is India's most valuable aromatic tree

Grows in Himalayan foothills and South Indian states

Good to know

Requires 100-200 cm rainfall and well-drained soils

Distribution Pattern

Sandalwood (Santalum album) is a semi-parasitic tree that needs host plants to draw nutrients from. It thrives in moist deciduous forests with moderate rainfall.

Sandalwood Growing Regions

Region

States/Areas

Forest Type

Rainfall

South India

Karnataka, Tamil Nadu, Kerala, Andhra Pradesh

Dry & Moist Deciduous

75-200 cm

Himalayan Foothills

Uttarakhand, Himachal Pradesh

Moist Deciduous

100-200 cm

Central India

Madhya Pradesh, Maharashtra

Deciduous

100-150 cm

Economic Importance

Karnataka produces 90% of India's sandalwood — state monopoly

Used in perfumes, cosmetics, medicines and religious ceremonies

Heartwood contains the aromatic santalol oil

Takes 15-20 years to develop commercial heartwood

Exam traps

Trap: Thinking sandalwood is only South Indian — it grows in multiple regions including Himalayas

Trap: Confusing with Red Sanders — that's different species, mainly Andhra Pradesh

Oak Species in India

Geography Oak

Oak Species: Himalayan Temperate Forests

Must know

Quercus genus has multiple species in Himalayan temperate zone

Grows at 1000-3000m altitude in temperate deciduous forests

Good to know

Banj Oak (Q. leucotrichophora) is most common Himalayan species

Himalayan Oak Ecology

Oak forests dominate the Himalayan temperate zone between 1000-3000m altitude. These deciduous trees shed leaves in winter and regrow them in spring.

Major Indian Oak Species

Banj Oak (Quercus leucotrichophora) — most widespread, 1200-2400m

Moru Oak (Q. dilatata) — higher altitudes, 1500-3000m

Kharsu Oak (Q. semecarpifolia) — evergreen species, 2400-3600m

Holm Oak (Q. ilex) — Mediterranean species, some Himalayan areas

Ecological Importance

Watershed protection — prevents soil erosion on slopes

Fodder trees — leaves used for cattle feed

Fuel wood — primary energy source in hill areas

Wildlife habitat — supports Himalayan fauna

Exam traps

Trap: Assuming Oak is only European/American — India has native Himalayan oak species

Trap: Confusing deciduous and evergreen oaks — both types exist in Himalayas

Rhododendron in Himalayas

Geography Rhododendron

Rhododendron: Himalayan Alpine Beauty

Must know

Rhododendron is the state tree of Uttarakhand and state flower of Himachal Pradesh

Grows at 2000-4000m altitude in alpine and subalpine zones

Good to know

60+ species found in Indian Himalayas

Alpine Specialist

Rhododendrons are perfectly adapted to harsh Himalayan conditions — thick waxy leaves resist cold winds, and brilliant flowers bloom even in short alpine summers.

Key Himalayan Species

Tree Rhododendron (R. arboreum) — red flowers, 1800-3000m, largest species

Bell Rhododendron (R. campanulatum) — purple/white flowers, 3000-4500m

Dwarf Rhododendron (R. anthopogon) — small shrub, 3500-5000m

Himalayan Rose Tree (R. barbatum) — blood-red flowers, 2400-3600m

Cultural & Economic Value

State symbols — Uttarakhand (tree), Himachal Pradesh (flower), Nagaland (flower)

Medicinal uses — traditional remedies for cold, fever, stomach ailments

Honey production — rhododendron honey has unique flavor

Tourism — flowering season attracts thousands of visitors

Himalayan Blooms

Tree Rhododendron blooms create spectacular red displays against Himalayan snow — why it's Uttarakhand's state tree
Tree Rhododendron blooms create spectacular red displays against Himalayan snow — why it's Uttarakhand's state tree

Source: TravellersQuest — National Flower Of Nepal | TravellersQuest · www.travellersquest.com

Exam traps

Trap: Thinking Rhododendron is only ornamental garden plant — it's a major wild Himalayan genus

Trap: Confusing state symbols — Uttarakhand (state tree), Himachal Pradesh (state flower)