Which of the following is the longest National Highway?
Consider the following :
Which of the above is/are wetlands?
"Fracking technology" frequently in news, is related to :
Which one of the following is the cell organelle that is referred to as the ‘Suicide bag’ for containing enzymes that can break down cell components or even the whole cell?
Which one of the following is the correct sequence of the various stages in the food chain? :
The strait, which connects the Arabian Sea and the Bay of Bengal is known as :