Biogeography (Optionals IAS Mains Geography): Questions 1 - 7 of 7

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Question number: 1

» Biogeography » Factors Influencing World Distribution of Plants and Animals

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Appeared in Year: 2016

Essay Question▾

Describe in Detail

Bring out the ecological significance of Tropical Rainforest Biome.

Explanation

A biome is a community of flora and fauna that have common characteristics for the environment in which they exist. They are large ecological area on the earth’s surface. There are two types of biome: Terrestrial and Aquatic. Tropical Rainforest Biome comes under territorial biome. It includes southern and south-eastern Asia: in Western Ghats of

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Question number: 2

» Biogeography » Soil Profile

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Essay Question▾

Describe in Detail

Explain Munsell system for understanding soil colors

Explanation

Munsell explained soil colors in form of 3-D representational separate color into components along with 3 independent dimension with irregular colors.

Image of Munsell Color System

Image of Munsell Color System

Image of Munsell Color System

(1) Chroma:

  • It is the measure of color strength

  • It depicts color purity with cover Chroma being less pure.

  • it goes radial

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Question number: 3

» Biogeography » Classification and Distribution of Soils

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Essay Question▾

Describe in Detail

Discuss the various types of soil structure.

Explanation

Soil structure:

  • It is the result of spatial arrangement of solid soil particles & their associated pore spaces. It has major influence on movement of water, air biological activity and root growth.

Various types of soil structures are:

Image of Soil Structure

Image of Soil Structure

Image of Soil Structure

(1) Platy: They are plate like flat with horizontal orien

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Question number: 4

» Biogeography » Factors Influencing World Distribution of Plants and Animals

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Essay Question▾

Describe in Detail

What are the wildlife conservation strategies taken in order to protect rare and endangered species? (30 marks)

Explanation

Fast growing human population, increasing burden on natural resources is leading towards rapid depletion of resources including wildlife, as we are currently living in the era of 6th mass extinction, where we have experienced many extinctions such as two horned Rhinoceros, Caspian tiger etc. and has made other species vulnerable to extinction.

T

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Question number: 5

» Biogeography » Degradation and Conservation

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Essay Question▾

Describe in Detail

How is in-situ conservation different from ex-situ conservation?

Explanation

As per Macarthur and Charles Elton’s equilibrium theory, humans have done huge damage to the naturel negative feedback mechanisms, which has disturbed the homeostatic balances. Thus, there is urgent need to conserve the ecosystem.

In site Conservation

- Best way of conservation technique, & protects endangered species in their natural Habitat. (

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Question number: 6

» Biogeography » Degradation and Conservation

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Essay Question▾

Describe in Detail

Mention the lauding water conservation efforts in India. Citing global examples, comment how India can incorporate effective methods.

Explanation

Due to rapid rise in population and over-exploitation of water resources, India’s per capita availability of water has decreased from cubic metres to over past 50 years (Global average)

Also of India is drought-prare in varying degrees leading to high

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Question number: 7

» Biogeography » Degradation and Conservation

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Essay Question▾

Describe in Detail

Explain various ways of in-situ and ex-situ conservation.

Explanation

Conservation is the protection, preservation, management, or restoration of wildlife and natural resource s such as forest and water.

Conservation can be classified in two types.

Image of the Biodiversity Conservation

Image of the Biodiversity Conservation

Image of the Biodiversity Conservation

In –Situ Conservation: It is on site Conservation or the conservation of genetic resourc

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