INSIGHT UPSC QUIZ

Consider the following statements: 

1. Small intestine is the longest part of the human alimentary canal.

2. Carnivores have a longer small intestine than herbivores.

Which of the statements given above is/are correct?

 In context of Air pollution in India, consider the following statements:

1. Presence of high levels of pollutants in air causes visibility to be lowered.

2. Formation of smog is a visible indication of air pollution.

3. Oxides of nitrogen and sulphur dissolve in rain to give rise to acid rain.

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

The twinkling of a star occurs due to atmospheric refraction of starlight. This twinkling phenomenon occurs only in stars and not in planets, it is because of which of the following reasons?

 Which of the following are the properties of the image formed by a plane mirror?

1. The image is always real and erect. 

2. The size of the image is equal to that of the object. 

3. The image formed is as far behind the mirror as the object is in front of it. 

4. The image is laterally inverted.

Select the correct answer using the code given below.

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:

 Compass is an important tool used for navigation since old days. In this context, consider the following statements:

1. The compass needle is a magnet which align itself in a particular direction.

2. The compass needle always points towards the magnetic south pole of the earth.

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

 Consider the following statements:

 In context of ‘Scrub Typhus’, which of the statements given below is/are correct?

1. It is a disease caused by a bacterium and it spreads to people through bites of infected chiggers.

2. Antibiotics are most effective form of medicine to cure this disease.

3. Recently, a special vaccine has been developed for its prevention by the Department of Biotechnology.

Select the correct answer using codes given below:

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.

 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: