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451.

Water is exhaustible natural resource then why is it considered as renewable resource ?

Answer» Water is exhaustible natural resource then why is it considered as renewable resource ?
452.

What kind of resource is iron ore?

Answer»

What kind of resource is iron ore?


453.

Sex ratio is the number of females per ___ males.

Answer» Sex ratio is the number of females per ___ males.
454.

Why does fountain pen start leaking at higher altitudes?

Answer»

Why does fountain pen start leaking at higher altitudes?

455.

In the text books and modules, the shown method of oil extraction in vertical drilling. But what is fracking (hydraulic fracturing) method of oil extraction all about.

Answer» In the text books and modules, the shown method of oil extraction in vertical drilling. But what is fracking (hydraulic fracturing) method of oil extraction all about.
456.

Consider the following statements: Chlorofluorocarbons, known as ozone-depleting substances, are used 1. in the production of plastic foams 2. in the production of tubeless tyres 3. in cleaning certain electronic components 4. as pressurizing agents in aerosol cans Which of the statements given above is/are correct?

Answer»

Consider the following statements:

Chlorofluorocarbons, known as ozone-depleting substances, are used

1. in the production of plastic foams

2. in the production of tubeless tyres

3. in cleaning certain electronic components

4. as pressurizing agents in aerosol cans

Which of the statements given above is/are correct?


457.

Platinum is found in which of the following rocks?

Answer»

Platinum is found in which of the following rocks?


458.

Digging out coal from earth is known as _________ .

Answer»

Digging out coal from earth is known as _________ .


459.

Why hailstones melt on its way to the ground?

Answer»

Why hailstones melt on its way to the ground?

460.

Colour the map as follows: Park - Green, water tank- blue, Bus stand - brown, Liberary - orange, Fire station- red, post office- pink, Hospital- purple, School- yellow, Railway station- silver, lake- sky blue, river - sky blue. [4 MARKS]

Answer»

Colour the map as follows: Park - Green, water tank- blue, Bus stand - brown, Liberary - orange, Fire station- red, post office- pink, Hospital- purple, School- yellow, Railway station- silver, lake- sky blue, river - sky blue. [4 MARKS]

461.

What are the causes of deforestation

Answer» What are the causes of deforestation
462.

If the earth's direction of rotation is reversed, what would be the IST when it is noon at the International Date Line?

Answer»

If the earth's direction of rotation is reversed, what would be the IST when it is noon at the International Date Line?


463.

Would a charitable institute run by 4 members be deemed as partnership?

Answer»

Would a charitable institute run by 4 members be deemed as partnership?

464.

What is the term used for a child below 14 years working in a factory?

Answer»

What is the term used for a child below 14 years working in a factory?


465.

What part of speech is the underlined word? She often skateboards down the road.

Answer»

What part of speech is the underlined word?

She often skateboards down the road.


466.

Step 2 of an input is:18 tall bear cold dash 92 64 32 How many more steps will be required to complete the rearrangement?

Answer»

Step 2 of an input is:18 tall bear cold dash 92 64 32

How many more steps will be required to complete the rearrangement?


467.

Noise pollution can cause:

Answer»

Noise pollution can cause:


468.

Forests provides us:

Answer»

Forests provides us:


469.

Obseve the map given below and stae which street is common to both cyber cafe and liberary. [2 MARKS]

Answer»

Obseve the map given below and stae which street is common to both cyber cafe and liberary. [2 MARKS]

470.

What are the three different types of forests? Explain. [3 MARKS]

Answer»

What are the three different types of forests? Explain. [3 MARKS]

471.

Who pointed out that the government was one of the violators of the Constitutional rights guaranteed to tribal people?

Answer»

Who pointed out that the government was one of the violators of the Constitutional rights guaranteed to tribal people?


472.

The mode of heat transfer between earth and the Sun is ___

Answer»

The mode of heat transfer between earth and the Sun is ___

473.

What energy transformation takes place in the generation of power from geothermal energy?

Answer»

What energy transformation takes place in the generation of power from geothermal energy?


474.

Observe the following map. Using green colour, draw a shortest street route from School to Market. [3 MARKS]

Answer»

Observe the following map. Using green colour, draw a shortest street route from School to Market. [3 MARKS]

475.

Which of the following is the major source of mercury entering the water bodies?

Answer»

Which of the following is the major source of mercury entering the water bodies?


476.

Heaviest metal on earth

Answer»

Heaviest metal on earth

477.

There was a severe drought in Maharashtra in 2013. Explain the role of deforestation in these droughts. [3 MARKS]

Answer»

There was a severe drought in Maharashtra in 2013. Explain the role of deforestation in these droughts.
[3 MARKS]

478.

18. List any three important charcteristics of a population and explain.

Answer»

18. List any three important charcteristics of a population and explain.

479.

What is Bengal saltpetre and nitre?

Answer»

What is Bengal saltpetre and nitre?

480.

Which country out of the following has the highest percentage of forest area?

Answer»

Which country out of the following has the highest percentage of forest area?


481.

Colour the map as follows: Park - Green, Temple- Yellow, Bus stand - orange, Liberary - yellow, Fire station- red, Market- pink, Dam- Blue, School- yellow, Cyber cafe- silver, lake- sky blue, Bar - blue, Cemetary-Orange, Police station-red.

Answer»

Colour the map as follows: Park - Green, Temple- Yellow, Bus stand - orange, Liberary - yellow, Fire station- red, Market- pink, Dam- Blue, School- yellow, Cyber cafe- silver, lake- sky blue, Bar - blue, Cemetary-Orange, Police station-red.

482.

What is epicenter

Answer» What is epicenter
483.

The Mining sector in India is infamous for human rights violations and environmental pollution. In this context discuss the provisions of the National Mineral Policy, 2019. How it will lead to sustainable mining sector development?

Answer» The Mining sector in India is infamous for human rights violations and environmental pollution. In this context discuss the provisions of the National Mineral Policy, 2019. How it will lead to sustainable mining sector development?
484.

Newton and Edward found it encouraging to learn with Einstein and began to ask many questions about soil. The facts they did not know. Einstein was happy to help Newton and Edward gain some insight about soil, such an important part of our life. Newton: Which top soil is best suited for growing plants. What do you think would be Einstein's answer?

Answer»

Newton and Edward found it encouraging to learn with Einstein and began to ask many questions about soil. The facts they did not know. Einstein was happy to help Newton and Edward gain some insight about soil, such an important part of our life.

Newton: Which top soil is best suited for growing plants.

What do you think would be Einstein's answer?


485.

What is rearing of silkworm for the production of silk called?

Answer»

What is rearing of silkworm for the production of silk called?


486.

How is wind circulation set up from the poles to the warmer latitudes? Show it with the help of a diagram. [5 MARKS]

Answer» How is wind circulation set up from the poles to the warmer latitudes? Show it with the help of a diagram. [5 MARKS]
487.

How are tsunamis generated?

Answer»

How are tsunamis generated?


488.

What is a furrow irrigation? How is it different from drip and sprinkler irrigation?

Answer» What is a furrow irrigation? How is it different from drip and sprinkler irrigation?
489.

How is biogas obtained?

Answer»

How is biogas obtained?


490.

What is the thickness of the crust layer?

Answer» What is the thickness of the crust layer?
491.

Choose the correct alternative for the blank. A rolling stone __________________________.

Answer»

Choose the correct alternative for the blank.

A rolling stone __________________________.


492.

Question 6 List five products we get from forests.

Answer»

Question 6
List five products we get from forests.

493.

Rates of weathering are affected by climate. 1. Dry climates promote rapid chemical weathering 2. Wet climate provide good conditions for physical or mechanical weathering. 3. Regolith contains organic material, such as the root of plant fallen leaves. Which of the above statements are correct?

Answer»

Rates of weathering are affected by climate.

1. Dry climates promote rapid chemical weathering

2. Wet climate provide good conditions for physical or mechanical weathering.

3. Regolith contains organic material, such as the root of plant fallen leaves.

Which of the above statements are correct?


494.

Which of the following are true with regard to igneous rocks? 1. They are formed only inside the earth, under great pressure 2. They do not occur in layers. 3. They are mostly crystalline in nature . 4. Granite and Gabbro are intrusive igneous rock.

Answer»

Which of the following are true with regard to igneous rocks?

1. They are formed only inside the earth, under great pressure

2. They do not occur in layers.

3. They are mostly crystalline in nature .

4. Granite and Gabbro are intrusive igneous rock.


495.

The World Environment Day is celebrated on

Answer»

The World Environment Day is celebrated on


496.

Which of the following is correct regarding ‘El Nino’ effect?

Answer»

Which of the following is correct regarding ‘El Nino’ effect?


497.

With reference to the Green Climate Fund (GCF), consider the following statements: 1. It is a fund within the framework of Rio+20 conference. 2. It aims to redistribute money from developed and developing countries to the Least Developed Countries.

Answer»

With reference to the Green Climate Fund (GCF), consider the following statements:

1. It is a fund within the framework of Rio+20 conference.

2. It aims to redistribute money from developed and developing countries to the Least Developed Countries.


498.

Question 10 The monsoon season in our country is during the months (a) April to December (b) June to September (c) November to March (d) January to May

Answer» Question 10
The monsoon season in our country is during the months

(a) April to December
(b) June to September
(c) November to March
(d) January to May
499.

What could be the possible effects of improper drainage in an agricultural field?

Answer»

What could be the possible effects of improper drainage in an agricultural field?


500.

Which of the following activity can lead to acid rain?

Answer»

Which of the following activity can lead to acid rain?