Questions

In the following question, the sentence given with blank 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 Directors failed to understand the ______________ behind the decision to suspend the manager.

Which among the following is white phosphorus?

Rusting is _____.

Which among the following is false about viscosity?

Earth's crust mainly contains ______.

Chemical formula for sulphurous acid is:

What is contained in Chlorophyll ?

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