Questions

_______________ of a material is defined as the minimum amount of the work necessary to remove a free electron from the surface of the material.

In the following passage some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

Books are our ______ friends. They are our guides. We can learn everything from them. The books contain all the great ______ of the world's leaders and we can learn them by reading the books. The books help us find ______ to our questions. The books never fail us. We should read as ______ books as we can. But all books are not good. So we should ______ only good books.

So we should ______ only good books and read them.

Animals belonging to phylum _____________ are fundamentally characterised by the presence of a notochord, a dorsal hollow nerve cord and paired pharyngeal gill slits.

In the given question, a part of the sentence is printed in bold. Below the sentence, three alternatives to the bold part are given which may help improve the sentence. Choose the option that reflects the correct use of the phrase in the context of the sentence. In case the given sentence is correct, your answer is (E) i.e. No correction required.

The only bright spot so far this year for Apple is with its iPhone 8 Plus, which at 0.4% market share, topped early performance for the iPhone 7 Plus and iPhone 6 Plus, which attracted 0.2% and 0.3% market share, respectively.

i. Topped in early performance

ii. Topped to perform early

iii. Topped in earlier performing

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

Happy thoughts release hormones that work for our well-being and negative thoughts release hormones that make us ______.

According to an early Indian philosopher everything is made up of ___ basic elements.

What is the common name of the solution of calcium hydroxide?

In which Indian state is the Nanda Devi peak located?