Tag: our life and environment

Questions Related to our life and environment

People should be banned to hunt in forest or collect wild plants to ensure protection of ________.

  1. wildlife

  2. ecosystem

  3. food chain

  4. food web


Correct Option: A
Explanation:

Environment is the surrounding in which the life exists. It is very essential to protect environment because life completely depends on environment. Wild life forms major part of environment. They ought to be protected because one way or the other life is interconnected and one form of life depends on the other. In order to protect wild life, hunting has to be stopped.

The phrase environment-friendly is used to refer to goods, services or practices considered to inflict little harm on the environment.

  1. True

  2. False


Correct Option: A
Explanation:

Environment-friendly, (also referred to as eco-friendly, nature-friendly, and green) are sustainability and marketing terms referring to goods and services, laws, guidelines and policies that claim reduced, minimal, or no harm upon ecosystems or the environment.

Wastes that are generated during the entire mining process i.e. extraction, beneficiation and processing are called ___________.

  1. Mining wastes

  2. Cement wastes

  3. Construction wastes

  4. Oil refinery wastes


Correct Option: A
Explanation:

During mining, extraction of minerals from rocks generates waste. In this process waste minerals are also generated. It is followed by benefaction wherein the mineral obtained is washed, crystallized etc to separate out the finer waste that comes along. After this, the mineral is chemically treated such that the waste obtained after the process is much different from the waste that entered the system.

Sometimes ________ gas leakage is seen during the course of mining.

  1. Sulphur-di-oxide

  2. Methane

  3. Carbon-di-oxide

  4. Carbon monoxide


Correct Option: B
Explanation:

Gas leak is a menace during mining mining, especially, methane. This happens more in coal mines, where there is abundance of carbon. An atom of carbon with hydrogen to form methane. It is suffocating and has proved fatal to miners in the past.

Advantages of eco-friendly technology include ____________.

  1. Increasing the efficiency in the selection and use of materials and energy sources.

  2. Designing out the need for toxic substances

  3. Reducing toxic emissions, and increasing the recovery and reuse of waste material

  4. All of the above


Correct Option: D

The term "eco-efficiency" was coined by the World Business Council for Sustainable Development (WBCSD) in its 1992 publication "Changing Course".

  1. True

  2. False


Correct Option: A
Explanation:

The term was coined by the World Business Council for Sustainable Development (WBCSD) in its 1992 publication “Changing Course,” and at the 1992 Earth Summit, eco-efficiency was endorsed as a new business concept and means for companies to implement Agenda 21 in the private sector.

The efficiency of existing technologies will help in _________.

  1. Reducing the amount of raw material used

  2. Reducing pollution

  3. Recycling material

  4. All of these


Correct Option: D

It is estimated that the construction industry in India generates very less waste annually.

  1. True

  2. False


Correct Option: B

The smoke coming out of refineries during the process of purification has particles of _________.

  1. Carbon

  2. Metals

  3. Solids

  4. All of these


Correct Option: D

Which products are generally marked with an Eco-Mark?

  1. Toilet soaps and detergents

  2. Edible products and oils

  3. Packaging materials

  4. All of these


Correct Option: D
Explanation:

Eco-mark is a certification issued by Bureau of Indian Standards to products which cause less harm to the environment than their close alternatives, and meet some minimum requirements laid down by the Ministry of Environment and Forests. Sixteen categories of products have been identified in the list which includes soaps and detergents, paints, food items, food additives and preservatives, paper, wood substances, textiles, batteries, lubricating oil, vegetable oils, packaging, plastics, cosmetics, aerosols, pesticides and drugs and electronic goods.