The process of pollination through snails is called
Anemophily
Malacophily
Xenogamy
The bending of light through a glass prism is called
Reflection
Diffraction
Refraction
What elements are the most common in the human body?
Oxygen, carbon, hydrogen
Phosphorus, nitrogen, calcium
Oxygen, hydrogen, zinc
Chlorophyll is a naturally occurring chelate compound in which central metal is
Copper
Magnesium
Iron
Which of the gas is not known as green house gas?
Methane
Carbon oxide
Hydrogen
The variety of coal in which the deposit contains recognizable traces of the original plant material is
Peat
Bitumen
Anthracite
The average salinity of sea water is
3.0%
3.5%
2.0%
Non stick cooking utensils are coated with
Teflon
PVC
Black paint
Identify this plant?
Dracaena trifasciata
Trachyspermum ammi
Catharanthus roseus
In what era did the extinction of dinosaurs happened
Cretaceous era
Cenozoic era
Mesozoic era
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