Questions

Convex mirror is generally used in _____.

What is the name of the device used to convert alternating current into direct current ?

Khelo India Youth Games, formerly Khelo India School Games, meaning Play India Youth Games, held annually in January or February, are the national level multidisciplinary grassroot games in India held for two categories, namely under17 years school students and under-21 college students. Khelo India Youth Games 2019 held in- 

English is the official language of _________.

Many satellites are placed in orbit in which layer?

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 vilest of the thing that can be done by a person is to ill-treat dogs and other defenseless animals.
i. vile things that can be done by persons.
ii. vilest things that can be done by a person.
iii. vilest thing that can be done by a person.

The atoms of Germanium, Arsenic, Selenium and Bromine contain ...... shells.

Which one of the following elements is essential for the formation of chlorophyll in green plants?