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Biotechnology - 42

1-	Cosmids lack
	A -	genes coding for viral proteins
	B -	origin of replication
	C -	marker genes coding for replication
	D -	cleavage site for the insertion of foreign DNA
2-	Which group of plants has the greatest diversity (i.e. the most species) living today?
	A -	Bryophyta
	B -	Lycophyta
	C -	Gymnosperms
	D -	Angiosperms
3-	Which group of land plants is most restricted to moist environments?
	A -	Lycophyta
	B -	Sphenophyta
	C -	Bryophyta
	D -	Angiosperms
4-	What single feature is probably most responsible for the success of angiosperms?
	A -	Seeds
	B -	Fruit
	C -	Broad leaves
	D -	Flowers
5-	Auxanometer is used for measuring
	A -	respiratory activity
	B -	photosynthetic activity
	C -	growth activity
	D -	osmotic pressure
6-	In angiosperm, the endosperm is
	A -	haploid
	B -	diploid
	C -	triploid
	D -	None of these
7-	Gypsum is beneficial for
	A -	water logged soil
	B -	alkaline soil
	C -	phosphorus enriched soil
	D -	saline soil
8-	The study of interaction between living organism and environment is called
	A -	ecology
	B -	phytogeography
	C -	ecosystem
	D -	photosociology
9-	Lichen involves two organisms as
	A -	virus and bacteria
	B -	algae and bacteria
	C -	algae and fungi
	D -	fungi and mosses
10-	A very common mutualistic, symbiotic relationship between a fungus and the roots of a plant is
	A -	lichen
	B -	mycorrhizal
	C -	ascomycete
	D -	basidiomycete

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