Question

7. Which of the following conceptual sphere of the environment is having the least storage capacity for
matter?
(a) Atmosphere
(b) Lithosphere
(c) Hydrosphere
(d) Biosphere
8. Which of the following is an example of impact of development activities on the Hydrosphere?
(a) Air pollution
(b) Soil pollution
(c) Soil erosion
(d) Water pollution
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Answer 1

Answer:1. The objective of environmental education is

(a) Raise consciousness about environmental education

(b) To teach environmentally appropriate behaviour

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(c) Create an environmental ethic that fosters awareness about ecological inter-dependence of economics, social and political

(d) All of the above

2. Which of the following is not influenced by human activities?

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(a) Depletion of ground water

(b) Destruction of mangroves and wetlands

(c) Increased extinction rate of species

(d) None of the above

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3. Environmental education is important only

Answer 2

(d) The biosphere is the conceptual sphere of the environment that has the least storage capacity for the matter.  

Explanation:  

• The biosphere is the name of the thin layer of organic matter that surrounds the earth’s surface and consists of the living matter of the world. It is curiously found that this is the layer that has the least matter capacity.  
• Still, this is the most fundamental layer that has all life forms moving through nature.
• This layer is also known as to be the only atmospheric layer that is responsible for the transmission and recycling of the energy for our planet.  

(d) Water pollution is the impact of developmental activities on the hydrosphere.  

Explanation:  

• On the planet Earth, the layer consisting of all the water is known as the hydrosphere.
• Developmental activities have brought about many positive changes but have laden the planet with its host of by-products.  And this has generated the occurrence of water pollution.
• Harmful chemicals, effluents from factories, improper water treatment, plastic dumping, and a series of urbanization and modernization aspects have created polluted water 'all around the world'.

Learn more about Biosphere and Water Pollution:

State any four features of biosphere

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