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NCERT Notes for UPSC: Climate, Vegetation and Wildlife of India

The day to day changes in the atmosphere is called weather. Exactly, the average weather condition which is measured for many years is called Climate. There are few factors that affect the climatic conditions on earth and they are Location, Altitude, Distance from the sea, Relief.

Indian Climate

Climate of India

The climatic conditions in India are changed four times a year and these are called seasons. The four seasons in India are:

  1. Cold Weather Season (Winter)
  2. Hot Weather Season (Summer)
  3. Southwest Monsoon Season (Rainy)
  4. Season of Retreating Monsoon (Autumn)

Indian Climate: Cold Weather Season (Winter)

This season is from December to February. During this winter season, the temperatures are low mainly in Northern India. It is very cold in this season because the sun rays do not fall directly and therefore the temperatures are quite low.

Indian Climate: Hot Weather Season (Summer):

The summer season is between March and May. In this season sun rays directly fall in this region and therefore the temperatures are high when compared to other seasons.

During the daytime, hot and dry winds are called low blows.

Indian Climate: Southwest Monsoon Season (Rainy):

The rainy season is between June and September. In this season we can witness huge rainfall because the winds which blow from the Arabian Sea and Bay of Bengal move towards land carrying a lot of moisture with them. On their way to the land where they hit barriers like mountains, the rainfall occurs.

Indian Climate: Season of Retreating Monsoon (Autumn):

The autumn season is from October to November. This season is called retreating monsoon because the winds go back to the Bay of Bengal from the mainland. Tamil Nadu and Andhra Pradesh receive rainfall in this season.

The Indian climate is said to be Monsoon type. The word Monsoon is taken from the Arabic word 'Muslim' which means seasons. Most of the rainfall in India is brought by monsoon winds because India is in the tropical region. A good monsoon season in India means a good agricultural season as agriculture in India mostly depends on rains.

Natural Vegetation

Types of Natural Vegetation of India

The grasses, shrubs and trees which grow on their own without human interference are called Natural Vegetation. It depends on the climatic conditions mainly the rainfall.

Due to varied climatic conditions, the vegetation in India is divided into five types- Tropical evergreen forest, tropical deciduous forest, Thorny bushes, Mountain vegetation and Mangrove forests.

Types of Natural Vegetation: Tropical Evergreen Forest:

Tropical evergreen forests are also called Tropical rain forests. These are formed where huge rainfall occurs. Sunlight doesn't reach the ground because they are so dense.

They are called evergreen forests because different types of trees are present which shed their leaves at different times during the year. Mahogany, Ebony and Rosewood are the important trees found in these forests.

Location: Andaman and Nicobar Islands, parts of North-Eastern states and small strips on the western slopes of Western Ghats.

Types of Natural Vegetation: Tropical Deciduous Forests

A large part of India has such types of forests. They are less dense compared to tropical evergreen forests. These forests are also called monsoon forests.

The trees in these forests shed their leaves at a particular time of the year. Sal, teak, peepal, neem and shisham are the important trees found in these forests.

Location: Madhya Pradesh, Uttar Pradesh, Bihar, Jharkhand, Chattisgarh, Odisha and parts of Maharashtra.

Types of Natural Vegetation: Thorny Bushes

Dry areas of the country have such vegetation. Spines are there instead of leaves to reduce the loss of water.

The important trees found here are the cactus, Khair, babool, Kelkar.

Location: Rajasthan, Punjab, Haryana, Eastern slopes of Western Ghats and Gujarat.

Types of Natural Vegetation: Mountain Vegetation

As we go high, the temperature goes down. Depending on the variation of height, various species of trees are found on those mountains.

The trees are conical in shape at a height between 1500 metres and 2500 metres and these trees are called coniferous trees. Chir, pine and deodar are important trees found here.

Location: Mountains of northern India especially.

Types of Natural Vegetation: Mangrove Forests

These forests can live in saline water. Sundari trees are mostly found in these Mangrove Forests. Sunderbans were named after those Sundari trees.

Location: Sunderbans in West Bengal and in the Andaman and Nicobar Islands.

Forests Uses

Uses of Forests:

  • Plants in the forests give oxygen which is essential for us to live.
  • They take carbon dioxide which is the reason for the pollution.
  • Plants avoid soil erosion by binding the soil to their roots.
  • They provide timber for furniture,fuel, fodder, herbs,honey,gum,etc.
  • They are the natural habitat of wildlife.
Wildlife of India

Wildlife of India

Forests are the natural habitat of wildlife as said above. It has a wide range of reptiles, amphibians, mammals, birds, insects and worms. The five types of vegetation consist of different species of animals, insects and birds.

The tiger being our national animal is found in different parts of the country. Asiatic lions are found in Gujarat's Gir forest. Elephants are also found in various parts of the country like Assam, Kerala, Karnataka, etc.

One-horned rhinos are also found in the forests of Assam. Camels are found in The desert region of Rajasthan. Wild asses are present in the Rann of kutch. Bears, snow leopards, wild goats are found in the Himalayan region. Peacock is our national bird.

Many other birds are present in this sub-continent. Hundreds of species of snakes are found in India with cobras and kraits being important in them.

Deforestation and poaching have caused the decline of several species of wildlife. Many are already extinct and others are slowly being endangered.

National parks, Sanctuaries and biosphere reserves are built to protect the endangered wildlife. The tiger’s count came down to a very low level when the government started Project Tiger to protect them. Even Project Elephant was started to protect the elephants.

Every year the first week of October is considered as wildlife week to create awareness among people on conserving the habitats of the animal kingdom. Using the things made from animal bodies should be reduced in order to save the wild animals or else the ecosystem gets disturbed which causes a huge loss to human beings.

FAQs

Question: What are the four seasons in India?

Answer: The four seasons in India are:

  • Cold Weather Season (Winter): December to February.
  • Hot Weather Season (Summer): March to May.
  • Southwest Monsoon Season (Rainy): June to September.
  • Season of Retreating Monsoon (Autumn): October to November.

Question: What are the types of natural vegetation in India?

Answer: The natural vegetation in India includes:

  • Tropical Evergreen Forests: Found in areas with heavy rainfall (Andaman & Nicobar Islands, parts of Northeast India).
  • Tropical Deciduous Forests: Found in the monsoon belt (Madhya Pradesh, Odisha).
  • Thorny Bushes: Found in dry areas (Rajasthan, Gujarat).
  • Mountain Vegetation: Found in higher altitudes (Himalayas).
  • Mangrove Forests: Found in coastal saline areas (Sunderbans).

Question: What is the significance of forests in India?

Answer: Forests in India play a crucial role in providing oxygen, absorbing carbon dioxide, preventing soil erosion, and supplying timber, fuel, and medicinal products. They are integral to maintaining the ecological balance and sustaining biodiversity.

Question: What are the key wildlife species in India?

Answer: Some key wildlife species in India include:

  • National Animal: Tiger.
  • Asiatic Lion: Found in Gir forest, Gujarat.
  • One-horned Rhino: Found in Assam.
  • Elephants: Found in Kerala, Assam, and Karnataka.

MCQs

  1. Which season in India is characterized by low temperatures from December to February?

a) Summer

b) Winter

c) Monsoon

d) Autumn

Answer: (B) See the Explanation

The winter season in India is from December to February, with temperatures being lower, particularly in the northern regions.

  1. Which of the following is found in the tropical evergreen forests of India?

a) Mahogany

b) Teak

c) Sal

d) Babool

Answer: (A) See the Explanation

Tropical evergreen forests have dense trees like Mahogany, Ebony, and Rosewood due to high rainfall.

  1. Where are mangrove forests found in India?

a) Himachal Pradesh

b) Sunderbans

c) Western Ghats

d) Rajasthan

Answer: (B) See the Explanation

Mangrove forests are found in coastal saline areas, notably in the Sunderbans in West Bengal.

  1. Which animal is the national animal of India?

a) Elephant

b) Camel

c) Tiger

d) Lion

Answer: (C) See the Explanation

The Tiger is India's national animal and is found in various national parks and reserves across the country.

  1. Which tree is associated with thorny bush vegetation?

a) Neem

b) Mango

c) Babool

d) Peepal

Answer: (C) See the Explanation

Babool and cactus are commonly found in thorny bush vegetation in dry regions like Rajasthan.

GS Mains Questions and Model Answers

Q1: Discuss the role of the monsoon in shaping the climate of India.

Answer: The monsoon plays a crucial role in determining India's climate, bringing significant rainfall between June and September. The southwest monsoon winds, originating from the Arabian Sea and Bay of Bengal, bring moisture, causing heavy rainfall, particularly in the Western Ghats and northeastern regions. The arrival of the monsoon is vital for India's agriculture, as most of the country's crops depend on it. A good monsoon season ensures food security, while a poor monsoon can lead to droughts and economic instability.

Q2: Evaluate the impact of deforestation on India’s climate and biodiversity.

Answer: Deforestation in India has led to changes in local climates, increased soil erosion, and loss of biodiversity. Forests act as carbon sinks, and their destruction contributes to climate change by increasing the amount of carbon dioxide in the atmosphere. The loss of forests also disrupts ecosystems, leading to the extinction of species and affecting the livelihoods of communities dependent on forest resources. It is essential to address deforestation to protect India's climate and preserve biodiversity.

Q3: What measures can be taken to conserve wildlife in India?

Answer: Conserving wildlife in India requires a multi-pronged approach, including:

  • Strengthening wildlife protection laws: Enforcing laws such as the Wildlife Protection Act of 1972.
  • Expanding protected areas: Creating and maintaining national parks, wildlife sanctuaries, and biosphere reserves.
  • Community involvement: Engaging local communities in wildlife conservation through sustainable practices and eco-tourism.
  • Combating poaching and illegal trade: Enhancing monitoring and law enforcement to prevent poaching of endangered species like tigers and rhinos. These measures, along with public awareness, can help protect India’s rich biodiversity.

Previous Year Questions on  Climate Vegetation and Wildlife of India

1. UPSC CSE Mains 2018

Question: "Examine the impact of the monsoon on the economy and agriculture of India."

Answer: The monsoon season plays a crucial role in shaping India’s economy, especially agriculture. It influences crop production, water resources, and energy generation. A good monsoon ensures abundant crop yields, while a weak monsoon can lead to droughts, affecting food supply and economic stability. The monsoon’s impact is critical in sectors like agriculture, irrigation, and power generation, which heavily depend on seasonal rainfall.

2. UPSC CSE Mains 2019

Question: "Discuss the importance of forests in sustaining biodiversity and mitigating climate change in India."

Answer: Forests in India play a vital role in sustaining biodiversity by providing habitats for a wide variety of plants and animals. They also mitigate climate change by absorbing carbon dioxide and regulating temperatures. Forests help in maintaining the water cycle, reducing soil erosion, and conserving soil fertility. Protecting forests is essential for India’s environmental stability and in meeting its climate change commitments.

*The article might have information for the previous academic years, please refer the official website of the exam.
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