Questions

Select the word with the correct spelling.

The modern economy is NOT characterized by ___________.

In the following question, four words have been given out of which one word is incorrectly spelt. Select the incorrectly spelt word.

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

That which cannot be corrected

Which of the following phrases (i), (ii), and (iii) given below each sentence should replace the phrase printed in bold letters to make the sentence grammatically correct? Choose the best option among the five given alternatives that reflect the correct use of phrase in the context of the grammatically correct sentence. If the sentence is correct as it is, mark (E) i.e., "No correction required" as the answer.
The trees shed his leaves every time autumn approaches but a healthy tree always gets its leaves back in the spring, which explains the point that fighting spirit is enough to keep one afloat.
i. Has shed their leaves every time autumn approaches
ii. shed their leaves every time autumn approaches
iii. shed its leaves every time autumn approaches

Elements A, B and C occur as Dobereiners triads. If the atomic mass of A is 7 and that of C is 39, what will be the atomic mass of B?

NaCl has ______.

Why is Carbon Monoxide a pollutant ?