Q22. It is possible to produce algae-based biofuels, but what is/are the likely limitation(s) of developing countries in promoting this industry?
Production
Q21. Due to some reasons, if there is a huge fall in the population of species of butterflies, what could be its likely consequence/consequences?
Pollination
Q19. At one of the places in India, if you stand on the seashore and watch the sea, you will find that the sea water recedes from the shoreline a few kilometers