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Q16. World literacy day is celebrated on?
a) 8th September
b) 8th March
c) 19th Nov
d) 1st June
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Q17.The outer region of the brain is _________?
a)Piameter
b)Duramater
c)Pericardium
d)Arachnoid membrane
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Q18. The cell wall of Bacteria is made up of?
a)Cellulose
b)Proteins
c)Chitin
d)Peptidoglycan
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Q19.DNA structure was discovered by?
a)Karl Land Steiner
b)Gregor Mendel
c)Watson and Crick
d)Hargobind Khorana
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Q20.What is the first element of periodic table?
a) Sodium
b) Helium
b) Hydrogen
d) Neon
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