INSIGHT UPSC QUIZ

Consider the following statements:

1. Exchange of gases in plants occurs not only across the surface of leaves but also across the surface of stems and roots.

2. Plant close its pores known as the Stomata, when they do not need carbon dioxide for photosynthesis.

3. Guard cells present in plants are responsible for controlling the movement of water in them. 

Which of the statements given above is/are correct?

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.

 Fodder crops are raised as food for the livestock. Which among the following is/are fodder crops?

1. Sudan Grass

2. Oats

3. Wheat

4. Berseem

Select the correct answer using the code given below:

Vectors are living organisms that can transmit infectious pathogens between humans, or from animals to humans. The commonest vectors we all know are mosquitoes. Which among the following vector borne diseases are caused by mosquitoes?

1. Yellow Fever

2. Lymphatic Filariasis

3. Zika Fever

4. Japanese Encephalitis

Select the correct answer using the code given below:

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.

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?

The presence of certain minerals is essential in water, however, if found in excess they can be harmful to our body. In this context, which of the following statements are correct?

1. Deficiency of fluoride in drinking water causes diseases such as tooth decay.

2. Excessive sulphate in drinking water causes laxative effect.

3. Excess lead in drinking water can cause disease such as ‘blue baby’ syndrome.

Select the correct answer using the code given below.

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?

With reference to ‘blood’ present in the human body, consider the following statements:

1. It carries oxygen and food to all the cells in human body. 

2. It collects wastes from the cells for disposal. 

3. It is a type of connective tissue. 

Which of the statements given above is/are correct?