INSIGHT UPSC QUIZ

Consider the following statements: 

1. Cold-blooded animals do not have the capacity to regulate their body temperature. 

2. Amphibians are cold-blooded animals and reptiles are warm-blooded animals.

Which of the statements given above is/are correct?

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. 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:

 Weeds are unwanted plants in a cultivated field. In this context, consider the following statements:

1. The weeds compete for food, space and light.

2. Weeds are responsible for affecting the growth of the crop.

3. Timely sowing of crops and crop rotation help in weed control.

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

Match the following pairs with reference to different types of ‘Phyla’ with their most distinctive features:

Select the correct answer using the code given below.

 With reference to heterotrophic eukaryotic organisms, Fungi, consider the following statements:

1. All fungus are parasites as they use host organism for food.

2. Lichens have a symbiotic relationship of blue-green algae and fungus.

3. Yeasts and mushrooms are varities of fungus.

Select the correct answer using the code given below:

The most common nutrients causing eutrophication are:

Which among the following are the characteristic features of birds?

1. They are cold-blooded animals.

2. They lay eggs.

3. Two forelimbs are modified for flight.

4. They breathe through lungs.

Select the correct answer using the code given below:

Consider the following statements about Carbon dioxide (CO₂):

1. Volcanic eruptions are a natural source of Carbon dioxide in the atmosphere.

2. Carbon dioxide is confined only to the tropospheric layer of the atmosphere. 

3. Excess of Carbon dioxide in the air is removed by green plants by respiration.

Which of the statements given above is/are correct?

Read the following statements carefully and select the correct answer from codes given below:

1. The phenomenon of splitting of white light into its seven component colours by a prism is called dispersion.

2. While passing through a prism, the violet light bends the least while the red the most.

3. Isaac Newton was the first to use a glass prism to obtain the spectrum of sunlight.

Which of the statements given above is/are correct?