Questions

Which electron dot formula represents a polar molecule?

Lysosome is formed from which of the following cell organelles?

Consider the following statements with respect to Bitcoins or 'cryptocurrencies' as they are commonly known; I. Bitcoin is a decentralized electronic payment system II. Only a finite number of bitcoins can be created by miners III. Bitcoins are indivisible units of currency IV. Every single bitcoin transaction is recorded in a ledger called the blockchain. Which of the above statements are correct?

In the following question, out of the four alternatives, select the alternative which best expresses the meaning of the idiom/phrase.
Gnash your teeth

The sentences given with blanks are to be filled with an appropriate word(s). Four alternatives are suggested for each question. For each question, choose the correct alternative and click the button corresponding to it.

The Management gave us permission to _____ with the new curriculum.

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".

Since when (have to start) a business been so easy?

In the following passage, some of the words have been left out. Read the passage carefully and select the correct answer for the given blank out of the four alternatives.

While language as the medium ___________ thought may be compared to air as the medium of the sun's influence, in other _____________ it is like the skin of the body; a scurvy skin shows bad blood within, and a scurvy language shows inaccurate thought ___________ a confused mind. And as a disease once fixed on the skin reacts and poisons the blood in turn as it has first been poisoned by the blood, so careless use of language __________ indulged reacts on the mind to make it permanently and increasingly _____________, illogical, and inaccurate in its thinking.

use of language __________ indulged reacts

In a Δ ABC, DE || BC. D and E lie on AB and AC respectively. If AB = 7 cm and BD = 3cm, then find BC:DE