Questions

Echocardiogram is more closely related to

An echo is returned in 3 s. What is the distance of the reflecting surface from the source, considering the speed of sound as 342 ms-1?

Which one of the following bio reserves of India is not included in the World Network of Biosphere Reserve?

_____________ is the number of individuals of the same species that have come into the habitat from elsewhere during the time period under consideration.

What were the names of Atom Bombs dropped on Japan?

UNESCO Headquarters is in

In a food chain, what is the difference between primary consumers and secondary consumers?

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.

Many a travelogue I read nowadays are about how the traveller went on a road less travelled ___________ some off-the-track trek or to an unknown destination or simply into the wild. How no internet ________________ is what you need to reconnect with yourself! How leaving your watch and phone __________ and going into the world of no check-ins and no updates would bring you solitude! These write-ups are laced with adjectives describing the geography of the region and filled with__________ details of the author’s days in that remote place. And, ironically, they all end with a strange advice to travel, and tell no one. I beg to _________.

and filled with __________ details of the author’s