Questions

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 alternative which will improve the bracketed part of the sentence. In case no improvement is needed, select "no improvement".

Husband (have retired) from service and the daughters had left home to pursue their dreams.

Who Invented LED?

The Internet of Things refers to

___________ allows searching for information and computing derived information.

Siderosis is a disease caused by the inhalation of

Under Article 352 of the Constitution of India, an emergency can be declared if security of any part of India is threatened by 1.war2.external aggression3.armed rebellion4.internal disturbanceSelect the correct answer using the code given below.

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 velocity of an object is the rate of change of its position ______ respect to a frame of reference.