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Environment and Ecosystems

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Questions and Answers

Which of the following biogeographic zones in India is characterized by a cold, mountainous, and snow-covered region?

The Trans Himalayan region of Ladakh (correct)
The Thar Desert of Rajasthan
The Western Ghats in Maharashtra, Karnataka and Kerala
The Gangetic and Brahmaputra plains

What is the primary characteristic of a 'natural' ecosystem?

It is found only in urban areas
It is relatively undisturbed by human activities (correct)
It is characterized by high levels of biodiversity
It is heavily modified for human use

What is the primary role of plants in maintaining ecological processes?

They absorb O2 and give out CO2
They fix and recycle nutrients (correct)
They circulate and cleanse air and water
They provide habitat for other organisms

What is the primary consequence of ecosystem modification for human use?

Decreased ecological processes (A) Signup and view all the answers

What is the primary value of biodiversity in maintaining ecological processes?

It supports global life support systems (D) Signup and view all the answers

Which of the following ecosystem services is NOT directly related to biological diversity?

Climate regulation (C) Signup and view all the answers

What is the primary consequence of ecosystem degradation?

Loss of biodiversity (C) Signup and view all the answers

Which of the following biogeographic zones in India is characterized by a semi-arid grassland region?

The Deccan plateau (C) Signup and view all the answers

What is the primary role of ecosystems in maintaining water balance?

They regulate the water balance within ecosystems (A) Signup and view all the answers

Which of the following ecosystem services is directly related to biological diversity?

Food and medicine production (A) Signup and view all the answers

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