Questions

The ozone layer protects us from harmful _______________ rays of the sun.

In the following question, a sentence has been given in Direct/Indirect speech. Out of the four alternatives suggested, select the one which best expresses the same sentence in Indirect/Direct speech.
“I‘m going to the gym now,” said Param.

"The General Equilibrium Analysis" was developed by

The economic way of thinking stresses that

___ is the transition of a substance directly from the solid to the gas phase without passing through the intermediate liquid phase.

Which of the following is NOT a radioactive element?

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.
Don’t loiter _____ the corridor.

Who discovered Penicillin?