Tag: issues of the environment

Questions Related to issues of the environment

Maximum permissible noise as per Noise Pollution Rules 2000 is

business organisation and correspondence issues of the environment international efforts for conserving biodiversity effects of pollution on environment government efforts in pollution control

  1. 75 dB

  2. 65 dB

  3. 55 dB

  4. 45 dB

Show answer
Correct Option: A
Explanation:

Noise level are expressed on a logarithmic scale of decibels. The baseline noise levels in the community vary around 40 dB. International standards prescribe a maximum of 50 dB for day and 40 dB for night time in a residential area. Noise over 115 dB is regarded as highly avoidable. The World Health Organization (WHO) recommends an industrial noise limit of 75 dB.

Therefore, the correct answer is option A.

We saw in this chapter that there are four main stakeholders when it comes to forests and wildlife. Which among these should have the authority to decide the management of forest produce? 

business organisation and correspondence issues of the environment international efforts for conserving biodiversity effects of pollution on environment government efforts in pollution control

  1. Forest department

  2. Local public

  3. Tourist

  4. None of the above

Show answer
Correct Option: A
Explanation:

The forest department of the government should have the authority to decide the management of forest produces. This is because the forest department is the caretaker of the forest land and is responsible for any damage to the forest.

Euro/Bharat norms are applicable on

business organisation and correspondence issues of the environment international efforts for conserving biodiversity effects of pollution on environment government efforts in pollution control

  1. Some automobiles

  2. All automobiles

  3. Only cars

  4. Only heavy vehicles

Show answer
Correct Option: B
Explanation:

Certain norms have been laid down under the title Euro/Bharat norms which are applicable to all automobiles, on the levels of emissions given out-stricter controls to be maintained in most large cities.

With its very large population of vehicular traffic, Delhi is one of the most polluted cities of the world. Which of the following steps were taken by the government to reduce vehicular pollution in Delhi ?
(i)  Switching over the entire fleet of public transport i.e., buses autorickshaws, from diesel to CNG 
(ii)  Phasing out of old vehicles
(iii) Use of unleaded petrol in vehicles
(iv) Use of low sulphur petrol and diesel in vehicles 
(v) Use of catalytic converters in vehicles
(vi) Application of stringent pollution level norms for vehicles such as Euro-II norms, etc.

business organisation and correspondence issues of the environment international efforts for conserving biodiversity effects of pollution on environment government efforts in pollution control

  1. (ii) and (iv)

  2. (ii), (iv) and (v)

  3. (iv) and (v)

  4. All of these

Show answer
Correct Option: D
Explanation:

In Delhi, there are more petrol driven vehicles. 

The government then took measure to reduce pollution. some of which are-
  • Switching over the entire fleet of public transport i.e., buses autorickshaws, from diesel to CNG 
  • Use of unleaded petrol in vehicles
  • Use of low sulphur petrol and diesel in vehicles 
  • Application of stringent pollution level norms for vehicles such as Euro-II norms, etc.
  • Phasing out of old vehicles
  • Use of catalytic converters in vehicles that reduces the harmuful content of the emmission.

So, the correct option is 'All of these'

World Environment Day coincides with commemoration of

business organisation and correspondence issues of the environment international efforts for conserving biodiversity effects of pollution on environment government efforts in pollution control

  1. Montreal Protocol

  2. Vienna Convention

  3. First United Nations Conference on Human Environment

  4. Helsinki Declaration

Show answer
Correct Option: C
Explanation:

The Stockholm Conference, known officially as the United Nations Conference on Human Environment was the UN's first conference on the international environmental issues and it was held between 5$^{th}$ to 16$^{th}$ June 1972 in Stockholm, Sweden. The United Nations began celebrating the World Environment Day on 5$^{th}$ June every year fro 1974. So, the World Environment Day coincides with the First  United Nations Conference on Human Environment.

Hence, the correct answer is 'First United Nations Conference on Human Environment'.

Which of the following act was formulated in 1986?

business organisation and correspondence issues of the environment international efforts for conserving biodiversity effects of pollution on environment government efforts in pollution control

  1. The Insecticide Act

  2. The Environment (Protection) Act

  3. The Water (Prevention and Control of Pollution) Act

  4. The Air (Prevention and Control of Pollution) Act

  5. The Noise (Prevention and Control of Pollution) Act

Show answer
Correct Option: B
Explanation:
The Environment Protection Act was passed in the year 1986 by the Parliament (act no. 29 of 1986) which came into force on 23 May 1986. The preamble of the Act provide for the aim which is to provide protection and improvement of environment and other matters connected therewith. This Act provide for the statutory provisions to the decisions and ratification made by India at International conferences related to the protection of environment. This Act in length defines the certain terms as environment, environmental pollution, environmental pollutants and provide for penal provisions for commision of any act specifically prohibited by under statute.
(A) The Insecticides Act, 1968 brought into effect from 1971 for regulation of import, manufacture, sale, transport and use of insecticides.
(B) The Environment Protection Act was passed in the year 1986
(C) The Water (prevention and control of pollution) Act enacted in 1974 for prevention and control of water pollution.
(D) The Air (prevention and control of pollution) Act,1984 was enacted for prevention and control of air pollution.
(E) The Noise (Prevention and Control of Pollution) Act, was passed in 2000.
Hence, the correct answer is 'The Environment (Protection) Act'.

Which one of the following aspects is not a component of functional unit of ecosystem?

evs - i issues of the environment eco-system and its destruction ecology and ecosystem ecology and ecosysytem

  1. Productivity

  2. Decomposition

  3. Energy flow

  4. Ecological pyramids

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Correct Option: D
Explanation:

Interaction of biotic and abiotic components result in a physical structure, that is characteristic of each type of ecosystem. Components of ecosystem function as one single unit. Four important functional aspects of the ecosystem are (i) Productivity, (ii) Decomposition, (iii) Energy flow and (iv) Nutrient cycling. Ecological pyramids are a graphical representation of a number, biomass, and energy flow in an ecosystem.

So, the correct answer is 'Ecological pyramids'.

An ecosystem is the biotic community which along with the physical environment forms an interacting system. It can be _________________.

commercial applications issues of the environment eco-system and its destruction ecology and ecosystem ecology and ecosysytem

  1. Man-made

  2. Temporary

  3. Natural

  4. All of these

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Correct Option: D

Living things interact with ________ constantly.

evs - i issues of the environment eco-system and its destruction ecology and ecosystem ecology and ecosysytem

  1. Organisms

  2. Environment

  3. Non-living things

  4. None of the above

Show answer
Correct Option: C
Explanation:

Environment is living things and what is around them. It includes physical, chemical and other natural forces. Living things do not simply exist in their environment. They constantly interact with it. Organisms change in response to conditions in their environment. In the environment, there are interactions between plants, animals, soil, water, temperature, light and other living and non-living things. 

Each ecosystem consist of ........... main components.

commercial applications issues of the environment eco-system and its destruction ecology and ecosystem ecology and ecosysytem

  1. Three

  2. Two

  3. Four

  4. Five

Show answer
Correct Option: B
Explanation:

An ecosystem is made up of two components-  biotic and abiotic. It includes the interaction of the living things which are the biotic components in a given area with the non-living environment which are the abiotic factors such as weather, earth, sun, soil, climate and atmosphere. Thus the correct answer is option B.