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Science and Technology Quiz 13. 1. 2018

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Question 1

In torches, search lights and headlights of vehicles the bulb is placed -

Question 2

When a nucleus in an atom undergoes a radioactive decay, the electronic energy levels of the atom –

Question 3

Choose the correct option –

Question 4

Consider the following statements about Lightning –
1) Lightning is an electrostatic discharge accompanied by the emission of visible light.
2) Air acts as an insulator between the positive and negative charges in the cloud. This insulation breaks when Lightning happens.
3) Thunder is caused by lightning.
4) Lightning can strike the same place twice.
Select the correct answer using the codes given below –

Question 5

Consider the following pairs:

Which of the pairs given above is/are correctly matched?

Question 6

With reference to Neem tree, consider the following statements:
(1). Neem oil can be used as a pesticide to control the proliferation of some species of insects and mites.
(2). Neem seeds are used in the manufacture of biofuels and hospital detergents.
(3). Neem oil has applications in pharmaceutical industry.
Which of the statements given above is/are correct?
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Priyanka ChaturvediPriyanka ChaturvediMember since Nov 2017
Community Manager UPSC
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