INSIGHT UPSC QUIZ

The ‘scattering of light’ is responsible for which of the following phenomena in nature?

1. Tyndall effect.

2. Colour of water in deep sea.

3. Blue colour of the sky.

4. Rainbow formation.

Select the correct answer using the code given below.

Consider the following statements about Carbon dioxide (CO₂):

1. Volcanic eruptions are a natural source of Carbon dioxide in the atmosphere.

2. Carbon dioxide is confined only to the tropospheric layer of the atmosphere. 

3. Excess of Carbon dioxide in the air is removed by green plants by respiration.

Which of the statements given above is/are correct?

The most common nutrients causing eutrophication are:

 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?

Read the following statements carefully: 

1. Motion of the moon around the earth.

2. Tides in open seas.

3. Rotation of earth.

4. Motion of planets around the Sun.

Which of the events given above are result of force of ‘Gravitation’?

 Which among the following method(s) is/are used by pests to attack crops sown in the field?

1. They attack the root of the plant.

2. They bore into stem and fruits of the plant. 

3. They suck water from various parts of the plant.

Select the correct answer using the code given below:

Match the following pairs with reference to different types of ‘Phyla’ with their most distinctive features:

Select the correct answer using the code given below.

Which among the following are the characteristic features of birds?

1. They are cold-blooded animals.

2. They lay eggs.

3. Two forelimbs are modified for flight.

4. They breathe through lungs.

Select the correct answer using the code given below:

Consider the following statements about ‘Human Body’:

1. Muscles contain special proteins which contract and relax to cause movement. 

2. We can control the movement of all the muscles in our body.

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

 In context of General Science, consider the following statements:

1. All fluids exert pressure on the base and walls of the container in which they are enclosed.

2. All objects experience a downward force of buoyancy when they are immersed in a fluid.

3. The magnitude of buoyancy force is independent of the density of the fluid in which the object is immersed.

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