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DRDO CEPTAM 2018 Practice Quiz 5

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Question 1

Maximum permissible concentration of total hardness in drinking water is

Question 2

Some scienctist and discovery pairs are given below.
(1) Bohr – model of hydrogen atom
(2) Einstein – Photoelectric effect
(3) Chadwick – Neutron
(4) De – Broglic – Matter waves
Which of the above pairs are correctly matched?

Question 3

Direction: In the following question, a sentence is given with a blank to be filed in with an appropriate word(s). Choose the correct alternative out of the four.

It is becoming increasingly difficult for a housewife to pick up a genuine article from the crowd of the ________ ones in a store.

Question 4

Select the most appropriate option to fill in the blank.

For a child, a blow _______ self-esteem is a terrible thing.

Question 5

Which of the following errors are identified by the compiler?

Question 6

Which among the following is not a characteristic of transition metals?

Question 7

In each of the following questions, which one set of letters when sequentially placed at the gaps In the given letter series shall complete it ?

a_ _b abba_ abb a_ ba

Question 8

Select the one which is different from the other three responses.

Question 9

A shopkeeper blends two varieties of tea costing Rs. 18 and Rs. 13 per 100 gm in the ratio 7 :3. He sells the blended variety at the rate of Rs. 18.15 per 100 gm. His percentage gain in the transaction is

Question 10

If then the value of
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