Eco-san toilets are not associated with which of the following?

  1. Working is Sri Lanka and Kerala
  2. Composting method for recycling of human excreta
  3. Recycled material forms natural fertiliser
  4. Enhance the need for chemical fertilisers

Concept Questions :-

Water Pollution: II
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What did Chernobyl,Three mile Island and Bhopal all have in common?

  1. They all qualified as technological disasters
  2. They all are involved in environmental racism
  3. Environmental problems were caused by economic development in all these places
  4. Nuclear disasters took place in all these places

Concept Questions :-

Agrochemical & Radioactive waste
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Prolonged water logging in agricultural fields is likely to create the problem of

  1. Poor aeration and low salinity
  2. Poor aeration and high salinity
  3. Poor aeration and high acidity
  4. Metal toxicity and proper aeration

Concept Questions :-

Water Pollution: I
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Which of the following figures shows correct relative contribution of greenhouse gases to global warming?

Concept Questions :-

Green House Effect & Global Warming
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In human eye, cornea absorbs UV-B radiation, and a high dose of UV-B causes inflammation of cornea, a disease known as

  1. Night-blindness        
  2. Xerophthalmia
  3. Epicanthus               
  4. Snow-blindness

Concept Questions :-

Ozone Layer Depletion
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The presence of ozone (O3) in the stratosphere of atmosphere

  1. Hinders higher rate of photosynthesis
  2. Helps in checking the penetration of ultra-violet rays to earth
  3. Has been responsible for increasing the average global temperature in recent years
  4. Is advantageous since it supplies O2 for people travelling in jets

Concept Questions :-

Ozone Layer Depletion
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Government of India has recently instituted which award for individuals or communities from rural areas that have shown extra ordinary courage and dedication in protecting wildlife?

  1. Padma Bhushan
  2. Chipko Award
  3. Bharat Ratna
  4. Amrita Devi Bishnoi-Wildlife Protection Award

Concept Questions :-

Improper Resource Utilisation & Maintenance
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Match column-I with column-II and select the correct option
   Column-I                                           Column-II
a. Air (prevention and control of             (i) 1987
pollution) Act
b. Water (prevention and control of        (ii) 1981
pollution) Act
c. Noise added as air pollutant               (iii) 1974
d. Environment (Protection) Act             (iv) 1986
1. a – (ii) ;b – (iii) ; c – (i) ; d – (iv)
2. a – (i) ;b – (iii) ; c – (ii) ; d – (iv)
3. a – (iv) ;b – (iii) ; c – (ii) ; d – (i)
4. a – (iv) ;b – (iii) ; c – (i) ; d – (ii)

Concept Questions :-

Introduction to Pollution & Types
Air Pollution
Water Pollution: I
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Pollution:
1. Any undesirable change in physical characteristics of air, land water and soil
2. Any undesirable change in biological characteristics of air, land water and soil
3. Any undesirable change in physical, chemical and biological characteristics of air, land water and soil
4. Any undesirable change in physical and chemical characteristics of air, land water and soil

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Agents that bring undesirable change in biological, physical and chemical environment is called

  1. Pollutant
  2. Bioparcy
  3. Bioinformatics
  4. Biomagnification
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