INSIGHT UPSC QUIZ

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’?

Read the following statements carefully and select the correct answer from the code given below:

1. Dugong (Dugong dugon) is an herbivorous mammal.

2. Dugongs are listed as Critically endangered on the IUCN Red List of Threatened Species.

3. Recently, an announcement was made by Tamil Nadu State government for the set-up of Dugong conservation reserve. 

Which of the statements given above is/are correct?

Consider the following statements: 

1. The motion of the moon around the earth is due to the centrifugal force. 

2. The moon rotates around its axis due to the gravitational pull of the earth. 

Which of the statement(s) given above is/are NOT correct?

1. Which of the following statement(s) in the context of ‘Human Eye’ is/are NOT correct?

1. Most of the refraction of the light rays entering the eye occurs at the outer surface of the crystalline lens.

2. Iris is a dark muscular diaphragm that controls the size of the pupil. 

3. Pupil regulates and controls the amount of light entering the eye. 

4. Retina is a delicate membrane having enormous number of light-sensitive cells.

Select the correct answer using codes given below:

The most common nutrients causing eutrophication are:

In the context of ‘immunity’ in human body, which of the following statements is/are correct? 

1. Skin on our body is an example of innate immunity.

2. Acquired immunity is characterised by memory. 

3. Injecting the microbes deliberately during immunisation induce passive immunity. 

Select the correct answer using the code given below.

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?

A lemon kept in water in a glass tumbler appears to be bigger than its actual size, when viewed from the sides. This is because of which of the following reasons:

 With reference to ‘Magnetic Field’, consider the following statements:

1. The magnetic field produced by a current-carrying wire at a given point depends directly on the current passing through it.

2. The magnetic field inside a long straight solenoid-carrying current is zero.

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

Consider the following statements:

1. Tendons are type of connecting tissue that connect muscles to bones.

2. Nerve impulses are transmitted with the help of tendons throughout our body.

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