Natural and Human Resources Quiz

Which one of the following is a biotic resource?

• Petroleum

• Natural gas

• Cow

• Coal

Answer explanation

A biotic resource is derived from living organisms. Among the options, a cow is a living organism, making it a biotic resource. In contrast, petroleum, natural gas, and coal are abiotic resources, as they are fossil fuels.

Consider the following statements and choose the correct answer. A. River is a biotic resource. B. Mushroom is a biotic resource.

• A is true, B is false

• Both A and B are true

• A is false, B is true

• Both A and B are false

Answer explanation

A river is an abiotic resource as it is a non-living element of the environment, while a mushroom is a biotic resource because it is a living organism. Therefore, A is true and B is false.

Consider the following statements and choose the correct answer. A. Soil is made up of inorganic matter. B. Topography does not play any role in soil formation.

• A is true, B is false

• Both A and B are true

• A is false, B is true

• Both A and B are false

Answer explanation

Statement A is true because soil consists of inorganic matter, such as minerals. Statement B is false as topography significantly influences soil formation by affecting drainage, erosion, and vegetation.

Which one of the following is incorrect about natural vegetation?

• Natural vegetation is termed as flora

• Savanna grassland is an example of natural vegetation

• A paddy field is a natural vegetation

• Mangrove in West Bengal are natural vegetation

Answer explanation

A paddy field is not considered natural vegetation; it is a cultivated area for rice farming. In contrast, flora refers to naturally occurring plant life, while savanna grasslands and mangroves are examples of natural vegetation.

Consider the following statements and choose the correct answer. A. Trees have large leaves in evergreen forest. B. In deciduous forests, dark ground is noticeable throughout the year.

• A is true, B is false

• Both A and B are true

• A is false, B is true

• Both A and B are false

Answer explanation

Statement A is true as evergreen forests typically have large leaves to capture sunlight year-round. Statement B is false; deciduous forests have noticeable ground cover changes with seasons, not dark ground throughout the year.

Consider the following statements and choose the correct answer. A. National parks have been established for public amusement. B. There are total 103 National parks in India.

• A is true, B is false

• Both A and B are true

• A is false, B is true

• Both A and B are false

Answer explanation

Statement A is true as national parks are indeed established for public enjoyment and conservation. However, statement B is false; India has 106 national parks, not 103. Therefore, the correct answer is A is true, B is false.

Which one of the following mining methods is used to remove stones from mines?

• Open pit mining

• Quarrying

• Drilling

• Calcination

Answer explanation

Quarrying is the method specifically used to extract stones from the earth, typically from open pits. Open pit mining is for minerals, drilling is for exploration, and calcination is a chemical process, not a mining method.

Consider the following statements and choose the correct answer. A. The number of birth per 1000 people is termed as birth rate. B. Birth rate does not influence population of an area.

• A is true, B is false

• Both A and B are false

• A is false, B is true

• Both A and B are true

Answer explanation

Statement A is true as birth rate is defined as the number of births per 1000 people. Statement B is false because birth rate directly influences the population of an area.

Which of the following is not a mineral?

• Salt used for cooking

• Gold and silver in jewellery

• Mica used for insulation

• Graphite in pencil

Answer explanation

Salt used for cooking is primarily sodium chloride, which is a naturally occurring substance but is often processed and refined for culinary use, making it not a mineral in its natural state.

In nuclear power plants, electricity is generated through the process of

• nuclear collision

• atomic vibrations

• nuclear fusion

• nuclear fission

Answer explanation

In nuclear power plants, electricity is generated through nuclear fission, where the nucleus of an atom splits into smaller parts, releasing a significant amount of energy used to produce electricity.