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Biotechnology - 43

1-	Archaeabacteria differ from the true bacteria as they have
	A -	different cell membrane lipids
	B -	cell wall composition
	C -	ribosomal RNA structure
	D -	growth not inhibited by antibiotics
2-	In the bundle sheath of C4 plant __________ is/ are less than mesophyll.
	A -	PSI
	B -	PSII
	C -	PSI or PSII
	D -	PSI and PSII
3-	Triticale is derived by crossing
	A -	wheat and rice
	B -	wheat and tapioca
	C -	rye (secale) and wheat
	D -	rye and rice
4-	The major source of sugar in the world is
	A -	watermelon
	B -	beetroot
	C -	sugarcane
	D -	dates
5-	Triticale, the first man made cereal is an example of
	A -	artificial allopolyploidy
	B -	artificial autopolyploidy
	C -	man made crossing
	D -	artificial evolution
6-	Mycorrhizae are symbiotic associations between
	A -	algae and fungi
	B -	root and fungi
	C -	bacteria and root
	D -	bacteria and fungi
7-	The proteins that forms the walls of the microtubules are
	A -	actin
	B -	tubulin
	C -	pectin
	D -	hydroxyproline
8-	The colour of flower is due to the presence of
	A -	chlorophyll
	B -	xanthophylls
	C -	florigen
	D -	chromoplast or anthocyanin
9-	What are the names of the two genders of haploid yeast cells?
	A -	A and Alpha
	B -	M and F
	C -	Y(a)and Y(b)
	D -	None of these
10-	Neurospora is used as an experimental tool in
	A -	ecology
	B -	cytology
	C -	genetics
	D -	physiology

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