Other — NDA General Ability Test PYQs

Directions : Following items have four sentences, one of which is correct. Find the correct option and mark your response in the Answer Sheet.

Which one of the following sentences is correct ?

Which one among the following is known as Milk of Magnesia?

Soap with water forms :

Which among the following is the correct composition of Borax?

Which one among the following oxides has the highest melting point?

Which of the following statements regarding neap tides is/are correct?

1. It occurs every 14-15 days, which coincides with the first and third quarter of the Moon.
2. This tide has a small tidal range because the gravitational forces of the Moon and the Sun are in quadrature.

Select the answer using the code given below :

Which of the following statements regarding earthquakes is/are correct?

1. The point on the Earth's surface directly above the focus is called the epicentre of the earthquake.
2. Earthquakes generate Primary and Secondary waves that radiate outward from the earthquake focus.
3. Deep-focus earthquakes are likely to cause more damage than shallow-focus earthquakes.

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Which of the following statements regarding air temperature is/are correct?

1. Air temperature is measured at a standard height of 1.2 m (4.0 feet) above the ground surface.
2. The average rate of temperature decrease with height is termed as the environmental temperature lapse rate.

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Which of the following statements regarding humidity is/are correct?

1. It is a ratio between the actual amount of water vapour present in the atmosphere and the maximum amount it can hold at a given temperature.
2. When the relative humidity is high, more water evaporates from the skin.
3. Higher the air temperature lower the relative humidity of the air.

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Which of the following statements regarding cyclones and anti-cyclones is/are correct?

1. In the Northern Hemisphere, cyclones rotate counter clockwise and anticyclones rotate clockwise.
2. Cyclones are often associated with cloudy or rainy weather, whereas anticyclones are often associated with fair weather.
3. In the Southern Hemisphere, the cyclonic spiral will be clockwise because the Coriolis force acts to the left.

Select the answer using the code given below :