INSIGHT UPSC QUIZ

Consider the following statements about the ‘properties of ethanol’: 

1. Ethanol is insoluble in water. 

2. Consumption of small quantities of dilute ethanol causes drunkenness. 

3. Ethanol can be blended with diesel.

4. Ethanol is used as a solvent in many medicines.

Which of the statements given above 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.

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?

A lemon kept in water in a glass tumbler appears to be bigger than its actual size, when viewed from the sides. This is because of which of the following reasons:

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

 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?

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?

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. 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?

Consider the following statements about the ‘scattering of light’: 

1. Very fine particles scatter mainly blue light while particles of larger size scatter light of longer wavelengths. 

2. If the size of the scattering particles is large enough, then, the scattered light may even appear white. 

Which of the statements given above is/are correct?