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.

 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?

In the Animal Kingdom, which of the following groups of organisms shows the highest level of cellular organisation?

1. Annelids 

2. Sponges

3. Coelenterates

Choose the correct answer by using the codes given below:

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?

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 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?

 Water vapour present in the atmosphere is formed due to which of the following factors?

1. Heating of water bodies.

2. Activities of living organisms.

3. Weathering of rocks.

4. Photosynthesis.

Select the correct answer using the code given below:

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

1. The B-lymphocytes in human body produce an army of proteins in response to pathogens into our blood to fight with them. 

2. The T-lymphocytes mediate cell-mediated immunity (CMI) which is responsible for the graft (transplanted body-part) rejection. 

Select the correct answer using the code given below.

 In context of Air pollution in India, consider the following statements:

1. Presence of high levels of pollutants in air causes visibility to be lowered.

2. Formation of smog is a visible indication of air pollution.

3. Oxides of nitrogen and sulphur dissolve in rain to give rise to acid rain.

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

Consider the following statements: 

1. The aperture of the pupil of a human eye can be changed with the help of the ciliary muscles. 

2. The curvature of human eye cannot be changed, because the lens of a human eye is fixed. 

Which of the statements given above is/are correct?