Class 4

Q1. In which parts of Pakistan is it difficult to grow crops? Why is that so?

Ans1. In Balochistan, in some parts of Sindh and the NWFP.

Q2. What is alluvial soil and where is it found?

Ans2. The most fertile soil is called alluvial soil. It is found in the plains, around the great rivers.

Q3. Pakistan is an agricultural country. What are the requirements for successful agriculture?

Ans3. For successful agriculture, rich and fertile soil and lots of water is needed.

Q4. Why is livestock farming important for Pakistan?

Ans4. Livestock farming provides us with meat and milk.

Q5. Explain how forests affect agriculture.

Ans5. Trees have long roots that slow down the process of erosion. Thus control of erosion leads to better soil being available for farmers to plant crops.

Q1. What kinds of forests are found in the mountain areas?

Ans1. Silver, fir, juniper and birch.

Q2. Explain why trees do not grow very tall higher up in the mountains.

Ans2. Due to the very cold climate above a height of 4000 metres, trees do not grow very tall.

Q3. Describe the ways in which the neem tree is useful.

Ans3. It gives out a lot of oxygen and is also used to make medicines.

Q4. In which areas of Pakistan are thorn or rakh and mangrove forests found?

Ans4. In the western part of Balochistan and over most of Punjab and Sindh, there are thorny hardwood trees such as acacia and tamarisk.

Q5. List the reasons why forests are important.

Ans5. Forests are important because trees give us wood and bark, shade, fruits and nuts.

Q1. Write about five different uses of fresh water.

Ans1. Five uses of fresh water: drinking, cooking, bathing, washing clothes and gardening.

Q2. What are the sources of fresh water in Pakistan?

Ans2. Rain, snow, glaciers, rivers, lakes

Q3. Why certain projects are called multi-purpose projects?

Ans3. They are able to have several uses at the same time, such as dams.

Q4. Explain the difference between a well and a tube well.

Ans4. Wells are really large holes dug in the ground to store water. A tube well is made by digging very deep wells in the ground.

Q5. Name some of the ways in which water is stored.

Ans5. Water is stored in dams, reservoirs and tanks.

Q1. How would you describe an industrial country?

Ans1. A country that uses its own power and natural resources to manufacture various products is industrialized.

Q2. From where does Pakistan obtain raw materials for its industries?

Ans2. From the land, seas and oceans. Pakistan also imports from other countries those raw materials for its industries which are not available locally.

Q3. Name the essential requirements for industry.

Ans3. The essential requirements for developing industries are funds, power, water, raw materials, machines, and workers.

Q4. Why is water important for industry?

Ans4. Water is important for setting up industries as it is used during some part of the production process.

Q5. What kinds of power or energy are used in Pakistan?

Ans5. Electrical power, nuclear or atomic power, solar power, and gas.

Q1. Why do you think roads are the most important part of the communications network in Pakistan?

Ans1. Roads link (join) all our villages, towns and cities.

Q2. Why do more people travel by road within the country than by air or train?

Ans2. More people travel by road because it is cheaper than flying, faster than railways, and roads reach almost all remote corners of the country.

Q3. Who were the first men to fly an aeroplane?

Ans3. They were the two brothers, Wilbur and Orville Wright in 1903.

Q4. Make a list of the international airports in Pakistan.

Ans4. Islamabad, Karachi, Lahore, Quetta and Peshawar are listed as international airports.

Q5. Which are the major ports in Pakistan?

Ans5. Kemari and Port Mohammad Bin Qasim in Karachi.

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