Deficiency of which vitamin causes night blindness?
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How many versions of each trait will be there in each child as per the rules for the inheritance of traits?
In economics secondary effects refer to the
If price of an article decreases from Rs. 25 to Rs. 20, quantity demanded increases from Q1 units to 1500 units. If point elasticity of demand is -1.25, find Q1?
Nitrogen fixation is a process of
How many bio-geographical zones are there in India?
Who among the following was NOT one of the 'Nine Gems' of Emperor Akbar's court?
Three sides of a triangle are 5 cm, 9 cm and x cm. The minimum integral value of x is