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Read the following passage and answer the (four) items that follow:

The transfer of heat and water vapor from the ocean to the air above it depends on disequilibrium at the interface of the water and the air. Within about a millimeter of the water, air temperature is close to that of the surface water and the air is nearly saturated with water vapor. But the differences, however small, are crucial, and the disequilibrium is maintained by air near the surface mixing with air higher up, which is typically appreciably cooler and lower in water-vapor content. The air is mixed by means of turbulence that depends on the wind for its energy. As wind speed increases, so does turbulence, and thus the rate of heat and moisture transfer. Detailed understanding of this phenomenon awaits further study. An interacting and complicating phenomenon is wind-to-water transfer of momentum that occurs when waves are formed. When the wind makes waves, it transfers important amounts of energy—energy that is therefore not available to provide turbulence

Q28. The passage suggests that if on a certain day the wind were to decrease until there was no wind at all which of the following would occur?

Which irrigation technique can be effectively used to minimise the amount of water required for agriculture?

If there are no trees in Tundra region, how do animals in these region get oxygen?

Which mountain plants have leaves that are needle-like?

A warship heading toward Australia from the Bering Sea faces certain oceanic structures. Which among the following is correct sequence from North to South-?

Discuss the problems associated with building dams. [5 MARKS]

How many States and Union Territories are there in India? Which states have a common capital?

The region between the Tropic of Cancer and the Tropic of Capricorn is called the ______.

Which of the magma form is responsible for diamond deposits?

The Great Himalayas are also known as

Which among the following is a star?

While preparing compost, what exactly does "Equal weights of green and brown" mean?

Identify the famous hill stations in Himachal Himalayas

Which of the following can be an explanation for the above question?

Write two peaceful uses of nuclear energy. [2 MARKS]

Richter scale is used to:

Q3. Consider the following statements on the basis of forms or shapes of the settlements:

1. Rectangular pattern are found in plain areas or wide inter-montane valleys.

2. T–shaped settlements emerge as the places where two roads converge on the third one and houses are built along these roads.

3. Cruciform settlements extend on both sides of a river where there is a bridge or a ferry.

Which of the above statement(s) is/are incorrect?

Circle of illumination is the circle that separates the

S1: Hungry, with a population of about 10 million, lies between Czechoslovakia to the north and Yugoslavia to the south.

P: Here a great deal of grain is grown.

Q: In recent years, however, progress has been made also in the field of industrialisation.

R: Most of this country consists of an extremely fertile plain, through which the river Danube flows.

S: In addition to grain, the plain produces potatoes, sugar, wine and livestock.

S6: The new industries derive mainly from agricultural production.

Which one of the following is a useful component present in the garbage?

A patch of land is identified in the forest. All the trees in that patch of land are cut. The tree-less patch of land is set on fire, causing rich nutrients to release into the soil, making it fertile and great for agriculture. Identify the method of agriculture:

Question 23

Some desert plants have very small leaves, whereas some others have only spines. How does this benefit the plants?

Take a handful of soil from a nearby garden and mix it in a clear glass partially filled with water. Stir the mixture and leave it undisturbed. The different layers can be seen the glass. What does this prove?

Ocean thermal energy is generated due to:

Identify a singular noun for the blank.

The _____ sat under the shady tree the entire afternoon.

In which of the following layers of the earth do the tremors, responsible for an earthquake, occur?

Rapid Industrialization of Japan is due to –

1. Availability of hydroelectric power.

2. Proximity to mainland of Asia providing ready market.

3. Coastal location and large ports which helps in import of raw material and export of product.

4. Technological development in the country.

Codes

Which of the following material has a dull appearance?

Ocean thermal energy is generated due to ___.

Which among the following are included in the kitchen wastes?

Consider the following missions under the National Action Plan on Climate Change:

Which of these missions aim at sustainable agriculture?

Stucture of the termite hills consists of ___ from top to bottom.

Q57. Consider the following statements.

1. Gypsum is abundant in areas having high rainfall.

2. Northern plains of India are rich in minerals due to heavy cover of alluvium.

Which of the above statement(s) is/are correct?

Choose the correct option to change the given sentence into direct speech.

Tina exclaimed that it was a very hot day.

The aggregate stock of T and F produced by G was the maximum in?

Piranha is _______ found in Amazon.

Name the planets having rings around them?

Identify the snake species not found in Amazon rainforest:

Question 4

Read the following statements with reference to soil.

(i) Weathering is a very fast process of soil formation.
(ii) Percolation of water is faster in sandy soils.
(iii) Loamy soil contains only sand and clay.
(iv) Topsoil contains the maximum amount of humus.

Choose the correct statements from the above
(a) (ii) and (iv)
(b) (i) and (iii)
(c) (ii) and (iii)
(d) (i) and (ii)