INSIGHT UPSC QUIZ

 Which of the following statement(s) about Acquired Immuno Deficiency Syndrome (AIDS) is/are correct?

1. AIDS is a congenital disease caused by a retrovirus known as Human Immuno deficiency Virus (HIV).

2. AIDS is characterised by a progressive decrease in the number of T-lymphocytes in the body of the infected person. 

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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?

 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.

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 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

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Which of the following diseases and their causative agents is NOT correctly matched? 

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Unicellular organism are unique because they are made up of a single cell only. Which of the following is/are examples of unicellular organisms?

1. Amoeba

2. Yeast

3. Bacteria

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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)

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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?

 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.

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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. 

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