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Consider the following statements with reference to Secondary waves (S-Waves) generated during an earthquake:
1. They create troughs and crests in the material through which they pass.
2. The direction of vibrations of S-waves is perpendicular to the wave direction in the vertical plane.
Which of the statements given above is/are correct?

Identify the cloud on the basis of the following characteristics relating to it:
I. They look like cotton wool.
II. They exist in patches and have flat base.
III. They are generally formed at a height of 4 to 7 km.

Identify the type of climate on the basis of the following characteristics relating to it:
I. Temperature is high throughout the year.
II. Rainfall is variable with a short wet season and a longer dry season.
III. Climate of Sudan and Paraguay is an example of this climate type.
Select the answer using the code given below:

Which of the following statements with reference to Surface inversion of temperature is/are correct?
1. It causes instability in the lower layers of the atmosphere.
2. This inversion commonly lasts for a few hours until the Sun comes up.
Select the answer using the code given below :

Identify the Mineral on the basis of the following characteristics relating to it :
I. It is usually a greenish crystal.
II. It is often found in basaltic rocks.
III. Magnesium, iron and silica are its major elements.

Select the answer using the code given below :

Which of the following statements with reference to Salt Weathering is/are correct?
1. Salt crystallisation is the most effective of all the salt weathering processes.
2. Salt crystal growth is more effective over sedimentary rocks as compared to igneous rocks.
Select the answer using the code given below :

What is the correct sequence of the following salts in ascending order according to their presence in the sea water?
1. Calcium Carbonate
2. Calcium Sulphate
3. Magnesium Chloride

Which of the following statements with reference to Humus is/are correct?
1. It is a dark coloured amorphous substance.
2. Being colloidal in nature, it serves as a reservoir of nutrients.

Which one among the following Biosphere Reserves is spread over three states in India?

River Danube does not flow through which one of the following capital cities in Europe?

Which of the following statements with reference to Easter Island, a UNESCO World Heritage Site, is/are correct?
1. It is part of Polynesia group of islands.
2. It is a territory of the South American nation Chile.

Which one among the following is home to the endangered mountain gorillas in Africa?

Which of the following statements with reference to Jordan is/are correct?
1. The country of Jordan was created through the British Mandate after World War I.
2. It is a landlocked country.

Which one among the following places is situated close to the Pearl River Estuary in Asia?

Which of the following statements with reference to saline soil in India is/are correct?
1. They are rich in nitrogen.
2. They occur in arid and semi-arid regions, and in waterlogged and swampy areas.

Salal Power Project is situated on which one among the following rivers?

If your image appears to be erect, no matter how far you stand from a mirror, the mirror is likely to be :

The rule that determines the direction of a magnetic field produced around a straight conductor carrying current is :

A motorcycle has initial velocity of \( 5 \mathrm{~m} / \mathrm{s} \). After 3 seconds, the velocity is \( 7 \mathrm{~m} / \mathrm{s} \). The displacement of the motorcycle in 3 seconds is :

The minimum power required to lift a mass of 50 kg up to a vertical distance of 8 m in 10 s is: (Take \(g = 10\,\mathrm{m}/\mathrm{s}^2\))

Which one among the following statements is not correct?

A body floats in a liquid if the buoyant force is :

A metallic sphere of mass 1 kg and volume \(2 \times 10^{-4}\,\mathrm{m}^{3}\) is completely immersed in water. The buoyant force exerted by water on the sphere is (Given: density of water = 1000 kg/m³, g = 10 m/s²).

A light bulb rated as 60 W at 220 V has a potential difference of 110 V across its ends. The power dissipated in this light bulb is:

Which one among the following is used in a simple microscope?

The force with which the Earth attracts an object is called:

Which of the following is one of the 'three gems' (triratna) of Jainism?

Which one among the following motifs does not appear on Harappan seals ?

Which one among the following is the earliest text?

Which one of the following statements about Ashoka's inscriptions is correct?