Life it self constitutes a sphere called “Biosphere”. ‘Bios’ is derived from ..………….. word.

Which type of forests are found in the large parts of India?

These vegetation familiar for soft wood

If you want to see animal like silver fox, mink, polar bear in their natural habitat, which of the following forests is the best?

Some animals have thick fur and thick skin to protect themselves from cold. In which of the following vegetations can we find these type of animals?

Why do trees in tropical deciduous forests shed their leaves in the dry season?

Temperate zone : Steppes : : Tropical zone: ?

Chir, Pine, Cedar : Coniferous forests :: Rose wood, Ebony, Mahogany : ?

The primary food producers on the Earth are:

Which group of energy sources are ALL renewable sources?