INSIGHT UPSC QUIZ

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: 

1. A person with myopia can see nearby objects clearly but cannot see distant objects distinctly.

2. In a myopic eye, the image of a distant object is formed behind the retina and not at the retina itself.

3. The defect of myopia can be corrected by using a concave lens of suitable power.

Which of the statements given above is/are correct?

Consider the following statements about the ‘fuel obtained from plastic waste’: 

1. It has low octane rating.

2. Lead content is absent in it.

3. It is known as green fuel.

Which of the statements given above is/are correct?

Match the following pairs with reference to common air pollutants and its effect/impact on plants and animals:

Select the correct answer using the code given below.

If we study a cell under a microscope, we will come across which among the following bodies inside it?

Consider the following statements:

1. Methanol is a low carbon, hydrogen carrier fuel produced from high ash coal, CO₂ from thermal power plants and natural gas.

2. ‘Methanol Economy’ programme has been launched with the objective of reducing India's oil import bill and greenhouse gas (GHG) emissions. 

3. The Methanol Economy programme has been launched by the Ministry of Petroleum and Natural Gas. 

Which of the statements given above is/are correct?

 In the context of nature of light, read the following statements carefully: 

1. Light does not travel in the same direction in all mediums. 

2. Light propagates with different speeds in different mediums. 

3. Light travels fastest in air with speed of 3×10⁸ m/s. 

4. Speed of light reduces considerably in glass or water.

Which of the statements given above is/are correct?

 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?

 In context of ‘Scrub Typhus’, which of the statements given below is/are correct?

1. It is a disease caused by a bacterium and it spreads to people through bites of infected chiggers.

2. Antibiotics are most effective form of medicine to cure this disease.

3. Recently, a special vaccine has been developed for its prevention by the Department of Biotechnology.

Select the correct answer using codes 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?