Correct Answer : Crookes Glass
Crooked Glass is a special kind of glass which contain cerium oxide and this is able to cutt off ub rays of sun and are thus used to make sunglasses.
Correct Answer : 80 dB
Correct Answer : Wide Area Network
Correct Answer : Pedology
According to the Oxford English Dictionary, pedology is 'the scientific study of soil, especially its formation, nature, and classification. ... Soil, the focus of pedology, is 'the uppermost unconsolidated part of the Earth.
Correct Answer : low partial pressure of oxygen
Higher altitudes have lower levels of oxygen and decreased air pressure. When you travel in a plane, drive or hike up a mountain, or go skiing, your body may not have enough time to adjust. This can result in acute mountain sickness.
Correct Answer : Deficiencies of micronutrients and vitamins
Correct Answer : Rock dam
Rock dam: Rocks are piled up to slow down the flow of water. This prevents gullies and further soil loss.
Correct Answer : Red and green
There are two major types of color blindness: Red-green color blindness: difficulty distinguishing between red and green. Blue-yellow color blindness: difficulty distinguishing between blue and yellow.
Correct Answer : Eucalyptus
Eucalyptus, Acacia, Polar, etc are some of the most commonly used tree species in social forestry. This is because Eucalyptus helps meet increasing wood demands from dwindling natural forests, supplying local communities and industry alike.
Correct Answer : Banyan
Ficus benghalensis, commonly known as the banyan, banyan fig and Indian banyan, is a tree native to the Indian Subcontinent. Specimens in India are among the largest trees in the world by canopy coverage.