Environmental Science Quiz - Forest Types in India
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Questions and Answers

Which of the following trees is primarily associated with making packing cases for tea?

  • Silver Fir
  • Chirpine (correct)
  • Deodar
  • Oak

What is the average temperature range found in tidal or mangrove forests?

  • 20°C to 22°C
  • 25°C to 27°C
  • 30°C to 32°C
  • 26°C to 29°C (correct)

In which regions are Deodar trees primarily found?

  • Punjab and Uttar Pradesh
  • Sunderbans and Andaman Islands
  • Himachal Pradesh and Kashmir (correct)
  • Northwest and eastern Himalayas

Which of the following uses is NOT associated with Silver Fir?

<p>Manufacturing railway sleepers (D)</p> Signup and view all the answers

What is a unique characteristic of mangrove vegetation?

<p>Breathing roots known as pneumatophores (B)</p> Signup and view all the answers

What characteristic is primarily associated with Tropical Evergreen Forests?

<p>Heavy rainfall (B)</p> Signup and view all the answers

Which of the following locations is NOT associated with Tropical Evergreen Forests?

<p>Thar Desert (A)</p> Signup and view all the answers

What percentage of forest cover in India is classified as Non-Forest?

<p>77.72% (B)</p> Signup and view all the answers

Which forest cover type has a canopy density greater than 70%?

<p>Very Dense Forest (B)</p> Signup and view all the answers

What altitude range do Tropical Evergreen Forests typically inhabit?

<p>500m to 1500m (D)</p> Signup and view all the answers

Which type of forest in India receives the highest amount of rainfall?

<p>Tropical Evergreen Forests (C)</p> Signup and view all the answers

What percentage of India's land area is currently forested?

<p>21.02% (B)</p> Signup and view all the answers

Which of the following environmental factors is primarily responsible for the variation in natural vegetation in India?

<p>Rainfall (A)</p> Signup and view all the answers

Which type of vegetation corresponds to arid regions with low moisture levels?

<p>Desert and Semi-Desert Vegetation (C)</p> Signup and view all the answers

What is one major role of forests in India’s ecology?

<p>Provide habitats for wildlife (D)</p> Signup and view all the answers

Which tree species is specifically found in Karnataka and is known for its economic uses?

<p>Sandalwood (C)</p> Signup and view all the answers

What is the primary characteristic of trees in deciduous monsoon forests during early summer?

<p>They shed their leaves. (A)</p> Signup and view all the answers

In terms of climate, which of the following accurately describes deciduous forests?

<p>Average temperature is between 24°C to 27°C with rainfall of 150 to 200 cm. (D)</p> Signup and view all the answers

Which species of tree is known for its resistance to white ants and is used extensively in furniture making?

<p>Teak (B)</p> Signup and view all the answers

Which of the following describes the subsoil water condition in deciduous monsoon forests?

<p>Subsoil water is insufficient to retain leaves. (A)</p> Signup and view all the answers

Which of the following trees are primarily found in deciduous forests?

<p>Teak (D)</p> Signup and view all the answers

What is a common feature of evergreen forests?

<p>Very thin leaves or no leaves (B)</p> Signup and view all the answers

In which type of vegetation would you find xerophytes?

<p>Scrub and thorn forests (C)</p> Signup and view all the answers

Which characteristic is typical of desert and semi-desert vegetation?

<p>Long roots for water access (D)</p> Signup and view all the answers

What is the primary climatic condition for mountain forests?

<p>Average temperature less than 20°C (B)</p> Signup and view all the answers

Which species is NOT typically associated with desert and semi-desert vegetation?

<p>Eucalyptus (C)</p> Signup and view all the answers

Which type of vegetation is characterized by plants having thorns often combined with low rainfall?

<p>Scrub and thorn forests (B)</p> Signup and view all the answers

Which of the following species is primarily used for its wood in tanning?

<p>Khair (C)</p> Signup and view all the answers

Flashcards

India's Forest Cover

Only about 21.02% of India's land area is forested.

Key Factors Affecting Vegetation

Rainfall and relief (landforms) primarily determine the type of vegetation.

Tropical Evergreen Forests

High rainfall (over 200 cm annually), with temperatures between 25°C and 27°C.

Tropical Deciduous Forests

A type of Indian forest vegetation affected by rainfall variations.

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Effect of Rainfall on Vegetation

Different rainfall amounts lead to different types of vegetation across India.

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Tropical Evergreen Forest Location

Found in Western Ghats (Maharashtra, Karnataka, Kerala), Eastern Himalayas (Terai region), Northeast India (Assam hills, etc.), and Andaman & Nicobar Islands, generally between 500m and 1500m elevation on the western side of the Western Ghats.

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Tropical Evergreen Forest Characteristics

High rainfall, dense ground cover.

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Forest Types in India (General)

India's forest cover includes Non-Forest, Open Forest, Moderate Dense Forest, Very Dense Forest, and Scrubs. These types are categorized by canopy density.

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Open Forest Canopy Density

Canopy density between 10-40%.

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Moderate Dense Forest Canopy Density

Canopy density between 40-70%.

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Deciduous Monsoon Forest Climate

Deciduous Monsoon Forests experience temperatures between 24°C and 27°C, and receive 150-200 cm of rainfall annually.

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Deciduous Monsoon Forest Location

These forests are found in Western Ghats, eastern slopes, and the Chota Nagpur Plateau in India, spanning several states including Bihar, UP, Odisha, etc.

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Desert/Semi-Desert Plant Characteristics

Plants in desert/semi-desert regions are adapted for dry conditions, often having thin leaves or no leaves, thorny stems and deep roots for water absorption.

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Deciduous Forest Leaf Shedding

Deciduous trees shed their leaves for a period of 6-8 weeks during spring and early summer, due to low moisture in the soil.

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Sal Tree Use

Sal trees, hardwoods used in construction (house building and railway sleepers), are common to North, Central, and NE India forests.

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Deciduous Forest Wood

Wood from deciduous forests, such as Sal, Teak, and Neem, is valuable for construction, shipbuilding, and manufacturing because it's strong, resistant to insects, and good for railway sleepers and houses.

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Evergreen Forest Adaptation

Evergreen plants in dry areas have developed adaptations like thin leaves, thorns, deep roots, and thick stems to survive harsh conditions and conserve water.

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Desert Plants: Xerophytes

Plants found in deserts are called xerophytes, specializing in surviving extreme dryness with adaptations like thin leaves or spines, fleshy stems, and long roots to find water.

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Babul Tree's Uses

Babul, a common desert tree in India, provides strong and tough wood, making it useful for various purposes, while its gum has medicinal value.

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Scrub and Thorn Forests

These forests grow in areas with less rainfall, characterized by plants with thin leaves, thorns, and adaptations to survive dry conditions.

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Mountain Forests - Mixed

Mountain forests feature a mix of deciduous and coniferous trees, adapting to cooler temperatures and higher elevations, resulting in diverse ecosystems.

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Eucalyptus: Paper and Medicine

Eucalyptus, common in Karnataka, is a valuable resource for the paper industry and its oil is used for medicinal purposes.

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Mountain Forest Location

Mountain forests are found in the Himalayas, from Kashmir to Assam, and also in the Nilgiri and Annamalai Hills in the south, adapting to temperate conditions.

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Chirpine Uses

The wood of Chirpine trees is used for extracting resin and turpentine, as well as making packing cases for tea.

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Silver Fir Location

Silver Fir trees primarily grow in the northwest and eastern regions of the Himalayas.

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Deodar Wood

Deodar wood is known for its oily, durable, and scented qualities, making it suitable for construction projects like railway sleepers and houses.

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Tidal Forest Climate

Tidal forests, also known as mangrove forests, are found in areas with high temperatures (around 26°C to 29°C) and heavy rainfall (over 200 cm annually).

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Mangrove Characteristics

Mangrove trees have unique breathing roots called pneumatophores, which help them survive in oxygen-deficient environments.

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