Questions

Sour taste of lemon is due to the presence of which of the following ?

The common name of lead (II) sulphide is

The elements known as primary nutrients for plants

The property of metals by which they can be beaten into thin sheets is called _______________.

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

The enzyme was the _____________ that triggered the chemical reaction.

A passage with three blanks, followed by five options, each containing one word, is given. Choose the word that can fill all the three blanks.
The ability of humans to ___________ the landscape and recognize the consequences of doing so puts us in a peculiar position. There are several animals on earth that show this same kind of intelligence. Some animals have extensions to ___________ their environment and some do not. As a species we are assigned the duty to provide and proliferate. Our goal is to achieve stability for ourselves and our kin. However, we also have an obligation to maintain the environment, as we depend on the resources and services it provides. The question then becomes:
what is our role in nature? Do we have the right to _________ the land, factory farm animals, and pollute waterways? Or do we have an obligation to reduce our numbers and merely subsist? In order to answer these questions, we must rely on our knowledge of Earth, evolution, and our influence on the environment.

If waste materials contaminate the source of drinking water, which of the following diseases will spread?

Which of the following country has won the ‘2017 FIFA Under-17 World Cup’?