Questions

Animals in which the cells are arranged in two embryonic layers are called ________.

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.

More than thirty years have now passed ______ I had my first flight.

What is used to prevent freezing of fuel in space crafts?

In the following question, out of the four alternatives, select the word similar in meaning to the word given.

Frivolous

Select the related word/letters/numbers from the given alternatives. CURE : DISEASE :: HEAL : ?

The Magdalena River is one of the largest basins of South America. Through which country does it flow?

Research designed to evaluate theories is called

The study of mountains is known as