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DNA model was studied with help of x-rays by:

A.	Wilkins	B.	Watson
C.	Crick	D.	Watson and Crick

Cenetic information is encoded in the structure of which of these:

A.	Enzymes	B.	DNA
C.	Structure proteins	D.	Enzymes and DNA

Theory of one gene - one enzyme was proposed by:

A.	Watson and Crick	B.	Beadle and Tatum
C.	Scleiden and Schwann	D.	Bateson and Punnet

Central dogma of molecular genetics is:

A.	DNA - RNA - Proteins	B.	RNA - DNA - Proteins
C.	Proteins - DNA - RNA	D.	None of these

Five major types of histones are:

A.	H1, H2, H3, H4 and H5	B.	H1, H2a, H2b, H3 and H4
C.	H1a, H1b, H2a, H2b and H3	D.	None of these

Genes are made up:

A.	Histones	B.	Polynucleotides
C.	Hydrocarbons	D.	Lipoproteins

Term gene refers to:

A.	A portion of DNA	B.	A portion of RNA
C.	Both (a) & (b)	D.	None of these

Which of these is carrier of genetic information:

A.	tRNA	B.	DNA
C.	mRNA	D.	Nucleoproteins

Nucleic acid was discovered by:

A.	Miescher	B.	Sutton
C.	Khorana	D.	Beadle

10.

Chromosomes are made up of:

A.	DNA and RNA	B.	RNA and proteins
C.	DNA, RNA and proteins	D.	None of these