Which satellite spotted what are known as Van Allen radiation belts?
Who is the founder of biogeochemistry?
Which types of plant and animal are more sensitive to over-exploitation than others?
Which organism can survive a temperature as low as -750
Most organisms are active in the temperature range:
Free oxygen is toxic to one of the following organisms;
Which is the acid associated with soil?
lf a species of plant contains selenium, the soil in which it has grown certainly contains ?
Burning of fossil fuels drastically affects one of the follwing nature's cycles :
The distinct smell of sea is due to :
What affects the number of species on an island?
In the temperate ecosystem. the growth of plants and trees fall during:
What inhibits the native plant life on Antarctica from flourishing?
Which place is often referred to as the Valley of Death?
Which desert is often frequented by joyriders leading to the extinction of its flora and fauna ?
Where is the valley of Flowers located?
Which region was once the ‘fertile crescent’ of the world?
Where was found the perennial species of highly disease-resistant wild corn Zea diploperennis?
Musk Oxen is found in:
The only species of seals that inhabits the Mediterranean sea is :
The greatest and the most productive industrial region in Asia is
Karkatoa, the most famous volcano of Indonesia, is located between
Krakatoa, Indonesian Krakatau, volcano on Rakata Island in the Sunda Strait between Java and Sumatra, Indonesia. Its explosive eruption in 1883 was one of the most catastrophic in history.
Krakatoa lies along the convergence of the Indian-Australian and Eurasian tectonic plates, a zone of high volcanic and seismic activity. Sometime within the past million years, the volcano built a cone-shaped mountain composed of flows of volcanic rock alternating with layers of cinder and ash. From its base, 1,000 feet (300 metres) below sea level, the cone projected about 6,000 feet (1,800 metres) above the sea.
Which is the powerfully built sea bird that makes nests in either the Arctic or Antarctic region?
Which tree is popular as Green Gold yet an ecological disaster?
Which insect entered the U.S.A. and infested the whole of the cotton belt at the turn of the present century?