Questions

Which feature of the cell allows or permits the entry and exit of some materials in and out of the cell?

In the following questions, one part of the sentence may have an error. Find out which part of the sentence has an error and click the buttoncorresponding to it. If the sentence is free from error, click the "No error" option.

Although I have never seen the girl before, (A)/ I recognized her at once (B)/ from her photograph (C)/ no error (D)

Improve the bracketed part of the sentence.
The communities of ants are sometimes very large, (numbered) even upto 500 individuals: and it is a lesson to us that no one has ever yet seen quarrel between
any two ants belonging to the same community.

In the following question, a sentence has been given in Active/Passive voice. Out of the four alternatives suggested, select the one which best
expresses the same sentence in Passive/Active voice.
I have kept all your old letters.

What is a bank rate?

Who was the Governor-General of India duringthe‘Sepoy Mutiny’?

Cricketer Virat Kohli was honoured with Arjuna Award in the year

If the line DE is drawn parallel to the base BC of a triangle ABC by intersecting the other two sides, then which of the following is the CORRECT equation for this case.