INSIGHT UPSC QUIZ

 Consider the following statements with reference to the ‘magnetic field’ of a bar magnet:

1. Magnetic field is a quantity that has both direction and magnitude. 

2. Inside the magnet, the direction of field lines is from its south pole to north pole.

3. Magnetic field-lines of two different magnets can intersect each other.

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?

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?

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 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.

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

 Which among the following method(s) is/are used by pests to attack crops sown in the field?

1. They attack the root of the plant.

2. They bore into stem and fruits of the plant. 

3. They suck water from various parts of the plant.

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 ‘rainbow’:

1. It is caused by dispersion of sunlight by tiny water droplets present in the atmosphere. 

2. A rainbow is always formed in a direction opposite to that of the Sun.

Which of the statements given above is/are correct?

Vaccines are now available for preventing a whole range of infectious diseases. Which among the following infectious diseases are preventable by the use of vaccine?

1. Polio

2. Measles

3. Whooping cough

4. Human Papilloma Virus (HPV)

Select the correct answer using the code given below: