INSIGHT UPSC QUIZ

Consider the following statements:

1. The direction of current is taken opposite to the direction of flow of electrons.

2. Resistance is a property of a conductor that generates heat in the electrical circuit.

3. The SI unit of electric current is Amperes. 

Select the correct answer using the code given below:

 Consider the following statements:

1. Anti-viral medicines are harder to make as viruses have biochemical mechanisms of their own. 

2. Anti-bacterial medicines target both bacteria and fungi.

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

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?

 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:

Consider the following statements: 

1. The ‘danger’ signal lights are red in colour as the red is least scattered by fog or smoke.

2. The sky appears dark to passengers flying at very high altitudes because of scattering of light. 

Which of the statements 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:

The most common nutrients causing eutrophication are:

Fertilizers are commercially produced plant nutrients. In this context, consider the following statements:

1. Fertilizers get washed away due to excessive irrigation.

2. Micro-organisms in the soil are harmed by the continuous use of fertilizers.

3. Fertilizers supply nitrogen, phosphorus and sodium to the soil. 

Select the correct answer using the code given below:

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

1. Saturated hydrocarbons are linked by only single bonds between the carbon atoms while unsaturated carbon compounds have double or triple bonds. 

2. Saturated hydrocarbons generally give a clean flame while unsaturated carbon compounds give a yellow flame with lots of black smoke.

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?