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The answers to this test must be written on the sheet of paper provided separately.

You are not allowed to write for the first 15 minutes.

This time should be used to read the questionnaire.

The time indicated at the beginning of this document is the time available for writing the answers.

Try to answer all the questions in Section A and any four questions in Section B.

The intended marks for questions or parts of questions are given in brackets ( ).

Question 1

Select the correct answers to the questions from the options provided.

(Do not copy the questions, just write the correct answers.)

(i) Which of the following atmospheric pollutants caused damage to the Taj Mahal?

a) Dust

b) Nitrogen dioxide

c) Chlorofluorocarbons

d) Carbon dioxide

(a) Permissible emission standards by industry

b) Permissible emission standards for vehicles

(c) Permissible emission standards for thermal power plants

d) Permissible emission standards for brick kilns

(iii) Study the picture below and answer the question:

Identify the soil protection strategy:

a) Contour dams

b) A forest area

c) Terrace farming

(d) Tree breakage

(iv) Identify the false statement:

(a)Forests provide a variety of products.

(b)Forests are home to a rich diversity of flora and fauna.

(c)Forests contribute to water conservation.

(d) Forests do not contribute to soil conservation.

(v) Effective waste separation at the point of origin is very important. Select the correct statement on the importance of waste separation:

1.Less waste ends up in landfill

2. Help reduce waste

3. Better for public health and the environment

4. Garbage collectors spend less time sorting garbage

a) 1 and 2

b) 1 and 3

c)2 and 4

d)1 and 4

(vi) Claim (A): Natural resource accounting is a process of estimating the value of natural resource depletion and environmental degradation resulting from economic activities.

Reason (R): Natural resource accounting merely estimates the value of natural resources.

(a)A and R are true and R explains A

(b)A and R are true, but R is not the explanation of A

(c)A is false, but R is true.

(d)A is true, but R is false.

(vii) Claim (A): Rainwater harvesting techniques are used in both urban and rural areas.

Reason (R): In the past, people did not know anything about water conservation.

(a) A and R are true and R explains A.

(b)A and R are true, but R is not the explanation of A

(c) A is false, but R is true.

(d)A is true, but R is false.

(viii) The use of coal and petroleum as an energy source releases carbon dioxide and ash which pollute the environment. What steps should be taken to protect the environment:

(a)Replacing petroleum with diesel

(b)Replace coal for cooking with firewood

(c)Replacement of thermal energy by solar energy

(d) Replace the use of coal with kerosene for melting metals in furnaces.

(ix) The planning of the city of Curitiba shall give the highest priority to the following aspects:

a)Urban development

b)Industrial development

c) Bus rapid transit system

d)Light rail system

(a)It is costly

(b)It saves water

(c) Electricity is required

(d) Chemical cleaning agents are required to clean the toilet

(xi) Select the correct statements below that describe the concept of sustainable development:

1.Planned growth with minimal environmental impact

2. Growth regardless of the extent of environmental damage.

3. Growth acceptable to all parties

4. Minimal development work to protect the environment

a)1 and 4

b)1 and 3

c)2 and 4

(d)4 Only

(xii) The picture below shows a technology for fabric production.

What type of fabric is produced using this method?

a) Nylon

b) Silk

(Crayon

d) Polyester

(xiii) The source of electricity generated by large dams is:

(a tidal wave

(b)Stored falling water

c) Turbine

d) Generator

(xiv) In cities, rainwater harvesting is practiced on roofs for storing rainwater. Choose the right sequence of structures for rainwater harvesting on roofs.

1.Management

2. Charging structure

3.Catchment area

4. Storage tank

(a)1,3,2 and 4

b)3,1,2 and 4

c)2,4,3 and 1

d)4,2,1 and 3

(xv) A mini hydroelectric power plant can generate electricity:

a) More than 100 KW

b) Less than 100 kW

c) 10 to 100 KW

d) More than 1000 KW

(xvi) Waste water, a liquid household waste, should be treated as follows:

1.Meet the increasing water demand

2. Reducing water pollution

3.Protection of public health

4. Reduce waste

Choose the correct option:

a)1, 2 and 3

b)2,3 and 4

c)1,3 and 4

d)4

(xvii) Fluidised bed boilers operate with:

a) Solid waste

b) Liquid waste

c) Gaseous waste

d) Both solid and liquid waste

(a) Taxes levied by the State

b) Surcharges on non-environmentally friendly products

c) Financial support from a government

d) Fines imposed by the government for illegal acts

(xix) Choose the correct pair.

(a)Oak alternative to timber

b) Wastewater treatment plant

c)Coal Non-conventional fuel

d) Incineration of biodegradable waste

(xx) Remote sensing satellites are used in the following areas:

a) Laboratories

b) Under the ground

c) Space

(d) In a submarine

Question 2

(i) What is brain drain?

(ii) What do you mean by North-South divide?

(iii) The image below shows the logo of a company.

(a) What is the literal meaning of the term shown in the picture?

(b) State two main objectives of the Dastkar Society.

(iv) Name any three Sustainable Development Goals.

(i) “Reusing is better than recycling.” Give two reasons to support this statement.

(ii)Soil is a valuable natural resource which is prone to erosion during heavy rainfall in hilly terrain. Describe an effective method to reduce soil erosion in such areas.

(iii) Name any three impacts of siltation of waterways.

(iv) Lila lives with her family in a remote village and depends on firewood for cooking. Name any three consequences of using firewood as fuel for cooking.