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They absorb whole of the light.
They reflects the whole light
Penetration of light does not occur.
Makes the sunlight completely cool.
Widespread resistance of malarial parasite to drugs like chloroquine has prompted attempts to develop a malarial vaccine to combat malaria. Why is it difficult to develop an effective malaria vaccine?
Wilhelm Rontgen invented
William Frederick is credited with the invention of the modern Frisbee in the mid 1950s. In 1957 the Wham-O Company bought his idea and the rest is history. They named the toy after William Frisbee who was a _?
Wilting in plants occurs because of
Wood is the main raw material for the manufacture of
Wood Spirit is which of the following ?
X-rays cannot pass through
Xenobiotics which are inherently resistant to microbial attack are called as
Yeasts moulds are examples of
Zener- diode is used as :