INSIGHT UPSC QUIZ

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.

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.

 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?

Desirable characteristics of a crop variety helps in easy adoption of that crop by the farmers. In this context, consider the following statements:

1. Incorporating desirable characters into crop varieties can be done through fertilisation.

2. Dwarfness is desired in cereals, so that less nutrients are consumed by these crops. 

3. Hybridisation refers to crossing between genetically similar plants.

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

 Manure contains large quantities of organic matter and also supplies small quantities of nutrients to the soil. In this context, consider the following statements:

1. The organic matter in manure helps in improving the soil structure.

2. It increases the water holding capacity in sandy soils.

3. It causes water logging in clayey soils.

Select the correct answer using the code given below:

Vaccines are now available for preventing a whole range of infectious diseases. Which among the following infectious diseases are preventable by the use of vaccine?

1. Polio

2. Measles

3. Whooping cough

4. Human Papilloma Virus (HPV)

Select the correct answer using the code given below:

 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?

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.

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:

 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?