INSIGHT UPSC QUIZ

 The parasitic nutritive strategy, by which some organisms derive nutrition from plants or animals without killing them, is used by which of the following organisms?

1. Cuscuta (amar-bel)

2. Ticks

3. Bread moulds

4. Tape-worms

Select the correct answer using the code given below.

 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.

The presence of certain minerals is essential in water, however, if found in excess they can be harmful to our body. In this context, which of the following statements are correct?

1. Deficiency of fluoride in drinking water causes diseases such as tooth decay.

2. Excessive sulphate in drinking water causes laxative effect.

3. Excess lead in drinking water can cause disease such as ‘blue baby’ syndrome.

Select the correct answer using the code given below.

 Consider the following statements:

1.  Large air cavities are present underneath the skin of aquatic plants that help them in floating.

2. Chlorophyll is present underneath the skin of terrestrial plants and it helps them in manufacturing food.

Which of the statement(s) given above is/are NOT correct?

In the context of ‘immunity’ in human body, which of the following statements is/are correct? 

1. Skin on our body is an example of innate immunity.

2. Acquired immunity is characterised by memory. 

3. Injecting the microbes deliberately during immunisation induce passive immunity. 

Select the correct answer using the code given below.

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 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?

 Consider the following statements about ‘Photochemical Smog’: 

1. It is a phenomenon of cool humid climate. 

2. It occurs when sunlight acts on unburnt hydrocarbons and nitrogen oxides.

3. Ozone in photochemical smog is responsible for the haze. 

Which of the statements given above is/are correct?

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:

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: