Entry Test MCQ :: Biology Diagnostic Test

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41.

Competition between species will be greatest if they attempt to occupy the same

A.	Ecosystem	B.	Community
C.	Habitat	D.	Niche

42.

In most ecosystems the greatest amount of energy flows through the

A.	Secondary consumers	B.	Herbivores
C.	Carnivores	D.	Decomposers

43.

Which of the following relationship is NOT an example of symbiosis?

A.	Rhizobium and leguminous plants	B.	Marchantia sporophyte and gametophyte
C.	Algae and fungi in a lichen	D.	Mycorrhizal fungi and tree roots

44.

Animals with greatest number of similarities are grouped together in a/an

A.	Phylum	B.	Family
C.	Genus	D.	Order

45.

The one which is present in all aerobic species

A.	Cytohrome c	B.	Cytochrome a
C.	Cytochrome a3	D.	Cytochrome b

46.

The structure which has been formed or modified from gill pouches in humans is

A.	Gills	B.	Eustachian tube
C.	Middle ear	D.	Lungs

47.

The first eukarotes appeared about ______ years ago

A.	1.5 billion	B.	2.5 billion
C.	3.5 billion	D.	4.5 billion

48.

According to Lamarch evolution occurred as the result of

A.	Natural selection	B.	The theory of recapitulation
C.	Inheritance of acquired characters	D.	Over production

49.

The discease in which transmembrane carrier for the chloride ion is not produced is

A.	Hyperchloesterolemia	B.	Cystic fibrosis
C.	Severe combined immunodeficiency syndrome	D.	AIDS

50.

The one which can break open a plasmid ring is

A.	Ligase enzyme	B.	Primase enzyme
C.	Restriction endonuclease	D.	ATP-ase enzyme