Questions

Which country built the Bird's Nest Stadium for 2008 Summer Olympics?

Which of the following fuels causes minimum environmental pollution?

In the following question, some part of the sentence may have errors. Find out which part of the sentence has an error and select the appropriate option. Ifa sentence is free from error, select 'No Error'.

My elder son deals with (1)/ spare parts and manages (2)/ his bread and butter. (3)/ No Error (4)

In the following question, out of the four alternatives, select the alternative which is the best substitute of the phrase.
A roundabout way of speaking

Capital deepening refers to 

Asexual reproduction differs from sexual reproduction in that in asexual reproduction, ______

Land covers about ______ of the earth's surface.

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