According to a report by World Wildlife Fund (WWF), how many cities of India will have water crisis by 2050?

The brand name Teflon represents which polymer?

Which among the following that covered in 7th round of Foreign Office Consultations ?

In each of the following questions, certain pairs of words are given, out of which the words in all pairs except one, bear a certain common relationship. Choose the pair in which the words are differently related?

Rulers of Mahajanapadas in ancient India collected taxes on crops at the rate of _____ of what was produced. 

In the following passage, some words have been deleted. Read the passage carefully and select the most appropriate option to fill in each blank.

Everything (1) _________ us makes our environment. Living and non-living things form the (2) _________ of our surroundings. Plants, animals and microbes are parts of our environment. Humans have affected the environment in multiple (3) ______ like clearing of forests, building houses and farms, making roads, etc. This is the root (4) _______ of air, water and land pollution on the planet. Ecologists across the globe are making efforts to educate mankind about the (5) _________ of nature, the crisis we face and the methods of managing these crises.

Select the most appropriate option to fill in blank number 1.

Which sections of IPC has been invoked against persons who malignantly do any act which is likely to spread the infection of any disease dangerous to life?

Today is celebrated as which day all over the world?