INSIGHT UPSC QUIZ

 Consider the following statements with reference to the ‘magnetic field’ of a bar magnet:

1. Magnetic field is a quantity that has both direction and magnitude. 

2. Inside the magnet, the direction of field lines is from its south pole to north pole.

3. Magnetic field-lines of two different magnets can intersect each other.

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

According to Archimedes’ principle - When a body is immersed fully or partially in a fluid, it experiences an upward force that is equal to the weight of the fluid displaced by it. Which among the following are based on the application of this principle?

1. Ships

2. Lactometer

3. Thermometer

Select the correct answer using the code given below:

 Consider the following statements:

1. Anti-viral medicines are harder to make as viruses have biochemical mechanisms of their own. 

2. Anti-bacterial medicines target both bacteria and fungi.

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

 Fodder crops are raised as food for the livestock. Which among the following is/are fodder crops?

1. Sudan Grass

2. Oats

3. Wheat

4. Berseem

Select the correct answer using the code given below:

If an opaque object on the path of light becomes very small, light has a tendency to bend around it and not walk in a straight line. This effect is known as:

Consider the following statements about ‘Acid Rain’: 

1. Oxides of sulphur and nitrogen are major contributors to acid rain.

2. Acid rain is good for agriculture as it provides nitrogen for the growth of plants.

3. When acid rain flows into the river, it increases the pH level of river water. 

Which of the statements given above is/are correct?

Read the following statements carefully in the context of ‘particulate pollutants’?

1. Smoke particulates consist of gaseous or mixture of gaseous and liquid particles formed during combustion of organic matter.

2. Dust is composed of fine solid particles produced during crushing, grinding and attribution of solid materials.

3. Mists are produced by particles of spray liquids and by condensation of vapours in air.

4. Fumes are generally obtained by the condensation of vapours during sublimation, and boiling.

Which of the statements given above are correct?

Unicellular organism are unique because they are made up of a single cell only. Which of the following is/are examples of unicellular organisms?

1. Amoeba

2. Yeast

3. Bacteria

Select the correct answer using the code given below:

Read the following statements carefully in the context of ‘particulate pollutants’?

1. Smoke particulates consist of gaseous or mixture of gaseous and liquid particles formed during combustion of organic matter.

2. Dust is composed of fine solid particles produced during crushing, grinding and attribution of solid materials.

3. Mists are produced by particles of spray liquids and by condensation of vapours in air.

4. Fumes are generally obtained by the condensation of vapours during sublimation, and boiling.

Which of the statements given above are correct?

 Consider the following statements about ‘Photochemical Smog’: 

1. It is a phenomenon of cool humid climate. 

2. It occurs when sunlight acts on unburnt hydrocarbons and nitrogen oxides.

3. Ozone in photochemical smog is responsible for the haze. 

Which of the statements given above is/are correct?