INSIGHT UPSC QUIZ

In context of cells in the human body, consider the following statements:

1. The shape and size of cells are related to the specific function they perform.

2. A cell is able to live and perform all its functions because of its components known as organelles.

3. All cells present in human body have the same organelles.

Select the correct answer using the code given below:

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?

 Consider the following statements:

1. Some substances like carbon dioxide or oxygen can move across the cell membrane by a process called Osmosis. 

2. In the cell’s external environment, the concentration of carbon dioxide is low as compared to that inside the cell.

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

Which of the following statements about ‘Sponges’ is/are correct?

1. Sponges are generally marine organisms and are multicellular symmetrical animals. 

2. In sponges, eggs and sperms are produced by the same individual. 

3. Sponges reproduce asexually by formation of gametes and sexually by fragmentation. 

Select the correct answer using the code given below.

Consider the following statements:

1. The e-Gopala App is a comprehensive breed improvement marketplace and information portal, directly used by farmers. 

2. Web version of e-GOPALA has been developed by the Union Ministry of Fisheries, Animal Husbandry and Dairying.

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

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.

Read the following statements carefully in the context of ‘particulate pollutants’?

1. Smoke particulates consist of gaseous or mixture of gaseous and liquid particles formed during combustion of organic matter.

2. Dust is composed of fine solid particles produced during crushing, grinding and attribution of solid materials.

3. Mists are produced by particles of spray liquids and by condensation of vapours in air.

4. Fumes are generally obtained by the condensation of vapours during sublimation, and boiling.

Which of the statements given above are correct?

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.

 Some countries now use alcohol as an additive in petrol. In context of this, consider the following statements: 

1. Addition of alcohol increases the burning efficiency of petrol and reduces knocking.

2. Petrol added with small quantities of alcohol becomes more stable and doesn’t become too hot in warm areas or too cold in freezing temperatures.

3. Alcohol is a cleaner fuel which gives rise to only carbon dioxide and water on burning in sufficient oxygen.

Which of the statements given above is the correct reason for using alcohol as an additive in petrol?

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?