UNIZIK Biology 2015/2016 Day 1 Past Questions

Practice each question, then open it to see the full details.

The gas produced during tissue respiration can be identified by using

A.calcium hydroxide
B.copper sulphate
C.calcium carbonate
D.sodium hydroxide

Carbon (IV) oxide content of the atmosphere is least affected by

A.cutting down and clearing of forest
B.forest fires
C.burning of fossil fuels
D.plant and animal respiration

Tissue respiration is important for the

A.absorption of oxygen into the alveoli
B.release for carbon (IV) oxide into the lungs
C.release of energy for body use
D.exhalation of carbon (IV) oxide from the lungs

The gas occupying the space labelled I is

A.carbon (IV) oxide
B.nitrogen
C.hydrogen
D.oxygen

The part of the brain that controls body posture in mammals is the

A.thalamus
B.cerebellum
C.spinal cord
D.cerebrum

Bacteria in the large intestine of man are important in the

A.synthesis of vitamins K and B
B.digestion of vitamins
C.synthesis of vitamins A and C
D.absorption of water

Atmospheric nitrogen is converted to soil nitrogen for plant use by

A.nitrification and combustion
B.putrefaction and lighting
C.lighting and nitrification
D.combustion and putrefaction

Examples of water-borne and sex-linked diseases are

A.tacniasis and malaria
B.cholera and gonorrhoea
C.typhoid and syphilis
D.dracunculiasis and haemophilia.

Complex social behaviour and organization are found mostly in

A.insects
B.birds
C.reptiles
D.mammals

Urea formation occurs in the

A.heart
B.liver
C.lung
D.kidney

Water fleas, wood lice and barnacles belong to the group

A.arachnida
B.crustacea
C.insecta
D.chilopoda.

An association between the root nodule of a leguminous plant and Rhizobium sp. is known as

A.commensalism
B.mycorrhiza
C.parasitism
D.symbiosis

Most monocots are easily recognised by their

A.short leaves with petioles
B.long and sword-like leaves
C.long and palm-like leaves
D.short leaves with many veinlets

Amphibians are normally found

A.on dry land and in water
B.in water and on moist land
C.on moist land
D.in water