Questions

During fermentation of sugar, the compound which is always formed is

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?

If price of an article decreases from Rs P1 to Rs 190, when quantity demanded increases from 5000 units to 5200 units, and if point elasticity of demand is -0.8 find P1?

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

In the following question, out of the four alternatives, select the word opposite in meaning to the word given.

Raucous

A sentence has been given in Active/Passive Voice. Out of the four given alternatives, select the one which best expresses the same sentence in Passive/Active Voice.

He refused them donation.

The ozone layer is mainly found in the lower portion of the _______.

In the following question, out of the given four alternatives, select the one which is opposite in the meaning of the given word.

Scurrilous