Karnataka PSI test series 2018 is the one of the popular initiative of StudyVillae. In this section we provide the key answers and explanations for each of the questions in the tests. Aspirants should check their answers with the keys provided and should revise accordingly.

In this post we are providing the key answers and explanations for the test PSI-109

PSI-109 Key Answers

Q.1) Which of the following is (are) not the non-renewable resources?

1. Coal
2. Petroleum
3. Natural gas
4. Solar

Q 1) solution (4)

Renewable resources are those which get renewed 0r replenished quickly some of the quickly. Some of these are unlimited and are not affected by human activities such as solar and wind energy. Yet careless use of certain renewable resources like water, soil, and forest can affect their stock water seems to be an unlimited renewable resource.

Q.2) Balancing the need to use resources and also conserve them for the future is called?

1. sustainable development
2. resource conservation
3. resource development
4. human resource development

Q 2) solution (1)

Using resources carefully and giving them time to get renewable is called resource conservation. Balancing the need to use resources and also conserve them for the future is called sustainable development.

Q.3) What percentage of the earth is land mass?

1. 33%
2. 30%
3. 23%
4. 21%

Q 3) solution (2)

Land is among the most important natural resources. It covers only about thirty per cent of the total area of the earth’s surface and all parts of this small percentage are not habitable.

Q.4) which are the following factors for soil formation?

1. Organic matters
2. Minerals
3. Weathered rocks
4. All of the above

Q 4) solution (4)

The thin layer of grainy substance covering the surface of the earth is called soil. It is closely linked to land. Landforms determine the type of soil. Soil is made up of organic matter, minerals and weathered rocks found on the earth. This happens through the process of weathering. The right mix of minerals and organic matters make the soil fertile.

Q.5) Which city is called Manchester of India?

1. Mumbai
2. Ahmadabad
3. Coimbatore
4. Bangalore

Q 5) solution (2)

Ahmadabad is called the Manchester of India because of similarity with the famous cotton textile centre of Manchester, Great Britain. Manchester is an industrially developed region in U.K. and is particularly developed in cotton industries.

Q.6) Which city is called Manchester of south India?

1. Mumbai
2. Chennai
3. Coimbatore
4. Bangalore

Q 6) solution (3)

Coimbatore is called the “Manchester of South India” due to its extensive textile industry, fed by the surrounding cotton fields.

Q.7) What are the factors that influence the distribution of population?

1. Climate
2. Topography
3. Soil
4. All of the above

Q 7) solution (4)

The main factors determining population distribution are : climate, land forms, topography, soil, energy and mineral resources, accessibility like distance from sea coast, natural harbors, navigable rivers or canals, cultural factors, political boundaries, controls on migration and trade, government policies, types of economic activities, technology including type of farming and transportation facilities, social organization and but not the least, demographic factors like changes in natural increase and migration.

Q.8) Which country is the world’s largest producer of coffee?

1. Brazil
2. India
3. China
4. Vietnam

Q 8) solution (1)

Brazil is the world’s largest coffee producer. In 2016, Brazil produced a staggering 2,595,000 metric tons of coffee beans. It is not a new development, as Brazil has been the highest global producer of coffee beans for over 150 years

Q.9) Which country is the world’s largest producer of cotton?

1. China
2. India
3. Pakistan
4. United states

Q 9) solution (1)

With around 100,000 farmers cultivating cotton, China is the biggest cotton producing country. China has 7,500 textile companies, which produce US $73 billion of cotton cloth annual. The cultivation requires moderate rainfall. To save the plant from pests, there is a huge usage of pesticides and fertilizers.

Q.10) Which country is the world’s largest producer of milk?

1. New Zealand
2. India
3. China
4. United states

Q 10) solution (2)

India has become the world’s No. 1 milk producing country, with output in 1999-200 (marketing year ending March 2000) forecasted at 78 million tonnes. United States, where the milk production is anticipated to grow only marginally at 71 million tonnes, occupied the top slot till 1997.

Q.11) Which city is called Silicon Valley of India?

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

Q 11) solution (4)

The name signifies Bangalore as a hub for information technology companies in India. It is a reference to the original Silicon Valley of the San Francisco Bay Area, which is the major hub for information technology companies in the United States.

Q.12) Which state is the largest producer of gold in India?

1. Maharashtra
2. Karnataka
3. Gujarat
4. Odisha

Q 12) solution (2)

Karnataka is the largest producer of gold in India. The state has recoverable reserves of 17.5 million tonnes of gold ore containing 42,023 kg of metal, mainly in Kolar, Dharwad, Hassan and Raichur districts. Karnataka is the largest producer of gold in India. Karnataka is the largest producer of gold in India.

Q.13) CITES is about

1. Global warming and ice melting.
2. Protection of earth
3. The conservation and sustainable utilization of wetlands
4. The Convention on International Trade in Endangered Species of Wild Fauna and Flora.

Q 13) solution (4)

CITES (the Convention on International Trade in Endangered Species of Wild Fauna and Flora) is an international agreement between governments. Its aim is to ensure that international trade in specimens of wild animals and plants does not threaten their survival.

Q.14) Golden fiber refers to?

1. Cotton
2. Jute
3. Maize
4. Tea

Q 14) solution (2)

It falls into the best fiber category (fiber collected from best, the phloem of the plant, sometimes called the “skin”) along with kenaf, industrial hemp, flax (linen), ramie, etc. The industrial term for jute fibre is raw jute. … Jute is also called the golden fibre for its colour and high cash value.

Q.15) Which state is the largest producer of iron in India?

1. Maharashtra
2. Karnataka
3. Gujarat
4. Odisha

Q 15) solution (2)

Karnataka is the largest iron ore producing state in India. it produces nearly 25% of total iron ore produce by our country. Karnataka along with Odisha, Jharkhand Chhattisgarh and Goa produces 99% of total iron ore produce by our country.