Sample Question Paper

Part I

Question 1(a)

Fill in the blanks.

(i) R.F. stands for ............... .

(ii) ............... coming from the sun penetrates the atmosphere and is absorbed by the Earth.

(iii) ............... is a place where weather conditions are recorded with the help of instruments.

(iv) Cuba is a major producer of ............... .

(v) Antarctica Treaty was signed in ............... .

Answer

(i) R.F. stands for representative fraction .

(ii) Ultraviolet radiation coming from the sun penetrates the atmosphere and is absorbed by the Earth.

(iii) Weather Station is a place where weather conditions are recorded with the help of instruments.

(iv) Cuba is a major producer of Sugar .

(v) Antarctica Treaty was signed in 1959 .

Question 1(b)

Match the following

Answer

Question 1(c-i)

The port nearest to the Tata Steel Company.

1. Mumbai
2. Kolkata
3. Chennai
4. Vishakhapatnam

Answer

Kolkata

Question 1(c-ii)

The leading shipbuilding yard in S.E. Asia

1. China
2. Japan
3. S. Korea
4. Taiwan

Answer

Japan

Question 1(c-iii)

Bhilai Steel Plant was set up with collaboration of

1. USA
2. Japan
3. Russia
4. China

Answer

Russia

Question 1(c-iv)

Fossil fuels are found in

1. Igneous rocks
2. Sedimentary rocks
3. Metamorphic rocks
4. All of these

Answer

Sedimentary rocks

Question 1(c-v)

Northern part of Africa is a

1. Mountain
2. Plateau
3. Lowland
4. Desert

Answer

Desert

Question 1(d)

Answer in one word.

(i) Deep inlets of sea lying between high cliffs.

(ii) A shallow low lying on the earths surface.

(iii) Chain of mountains formed due to compression.

(iv) Land of ten thousand lakes.

(v) A narrow steep sided valley, formed between two parallel fault.

Answer

(i) Fjord

(ii) Basin

(iii) Fold mountains

(iv) Finland

(v) Rift valley

Question 2(a)

Draw a neat diagram to show a wet and dry thermometer.

Answer

Below diagrams shows a wet and dry thermometer:

Part II

Question 3(a)

State the major effects of climate change.

Answer

Following are the major effects of climate change:

1. Changes in rainfall patterns.
2. Increased frequency of extreme weather like flash flood, storm and heat wave.
3. Rise in sea level due to melting of polar ice.
4. Increased frequency of tropical cyclones.

Question 3(b)

Name the major greenhouse gases and their sources.

Answer

The major greenhouse gases and their sources are:

Question 3(c)

What is the importance of topographical survey maps? What is meant by the term brackish?

Answer

Topographical maps are based on accurate survey of the land. They show natural features of the ground like hills elevation, drainage, trees and vegetation as well as man-made features like towns, villages, buildings, roads, canals, railways, power transmission lines and other cultural features in detail. Therefore, they are of great importance to military and travelers.

The well whose water is unfit for drinking and cultivation as it is salty is said to be brackish.

Question 3(d)

What is meant by denudation? Define the term exfoliation.

Answer

Denudation is a dynamic process that includes the disintegration and decomposition of rocks, transportation of the eroded material and deposition of it at some other place. Therefore, process of denudation is two-fold process that is both destructive and constructive.

The changes in temperature during summer and winter and in case of arid region, during day and night, cause expansion and contraction in the rock surfaces. This causes the rocks to break-up or peel off. Rectangular rock blocks are thus, gradually rounded by splitting away of sharp corners. This process is called exfoliation.

Question 3(e)

State any three raw materials required for iron and steel industry.

Answer

The iron and steel industry require raw materials like:

1. Iron ore
2. Limestone
3. Dolomite

Question 3(f)

What are the key elements of information technology?

Answer

The key elements of information technology are hardware and software that are important to use computer to store, retrieve, transmit, manipulate data or information. It is done in context of business or other enterprises.

Question 3(g)

State the location and extent of Europe.

Answer

Europe is the western most peninsula of the giant supercontinent Eurasia and the second smallest continent in the world. It lies entirely in the temperate zone of the Northern hemisphere and extends from the island nation of Iceland in the West to the Ural Mountains of Russia in the east. It extends from 36°N to 72°N latitude and approximately 25°W to 60°E longitude.

Question 3(h)

Why is Africa called the Dark continent?

Answer

Africa was known as the dark continent because it remained unexplored for a fairly long period of time. The reasons for the late discovery of the continent were:

1. The Sahara desert in the north is the greatest obstacle for southward movement of people, as it is a vast desert.
2. The large interior of Africa is densely forested forming a canopy so that even sun rays cannot penetrate.

Question 3(i)

Why is Egypt known as the Gift of Nile?

Answer

The country Egypt is called the Gift of the Nile as it is Egypt’s lifeline. Without the Nile, Egypt would have been a desert. The Nile gave Egypt fertile, fine silt soil and alluvial deposition. This soil is good for growing crops.

Question 3(j)

Name the factors that may cause damage to coral reefs.

Answer

Some of the factors that may cause damage to coral reefs are:

1. Climate Change.
2. Ocean acidification and pollution.
3. Human activities like swimming, diving and mining.

Question 3(k)

What is the significance of Bhakra-Nangal Project?

Answer

Significance of Bhakra Nangal project:

1. It provides electricity for industrial, agricultural and domestic use. Electricity is used for tube wells, which are the main source of irrigation where canals are not available.
2. This project has helped in controlling floods in the river Sutlej downstream.
3. It also helps in soil conservation, afforestation and development of fish culture.
4. It benefits many industries like textile, cotton ,sugar etc.

Question 4

Differentiate the following.

(a) Chemical weathering and Mechanical weathering.

(b) Linear scale and Verbal Scale.

(c) Agro-based and Mineral based industry.

Answer

(a) Difference between chemical and mechanical weathering:

(b) Difference between linear scale and verbal scale:

(c) Difference between Agro-based and Mineral based industry:

Question 5

Give reasons for the following.

(a) Europe is called the peninsula of peninsulas.

(b) Antarctica is considered uninhabitable for human beings.

(c) We should grow trees around the industries.

Answer

(a) Europe looks like a peninsula extending westwards of the Asiatic landmass. Large arms of the seas have penetrated deep into the land and have created smaller peninsulas. That is why Europe is called the "peninsula of peninsulas".

(b) Antarctica’s freezing climate and barren glacier coasts with not a drop of fresh water to drink, isolated from the world, makes it impossible for normal life. Therefore, Antarctica is uninhabitable for human beings.

(c) Industries cause pollution. Growing trees around industries helps to reduce pollution and purify the air. Trees also help to reduce sound pollution caused by industries in addition to adding aesthetic value of that area.