Questions

Study of earth is known as

Addition of suitable impurities into semiconductor, is called

What is the reason for formation of Mirage in desert?

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate itby selecting the appropriate option.

She kept thinking, “How lucky Serena ______!”

In the following question, the sentence given with blank to be filled in with an appropriate word. Select the correct alternative out of the four and indicate it by selecting the appropriate option.

Science helps us in ______ at the answer, but the main decision lies with ourselves.

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

We also need to work towards a re-engineering of procedures. It __________________ that fear of being scrutinised by the office of the Central Vigilance Commissioner has _________________ loan officers in the public sector into inaction. It is _______________ no use having a publicly-owned banking ___________ that does not extend credit to sound projects on grounds of __________________ scrutiny.

It is _______________ no use having a publicly-owned banking 

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Once ______________, it is that time of the year when the examination results season may be just ending and the admissions season is in progress, and marked by a _________________ of two contradictory voices — often from the same people — that rose to deafening ____________ from April to May when the results of various school boards _________________. The first voice __________________ those who succeeded and did wondrously well.

rose to deafening ____________ from April to May

Find the kinetic energy (in J) possessed by a body of mass 10 kg moving with a velocity of 5 m/s.