UNIPORT Biology 2017/2018 Model 3 Past Questions

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

The process of shedding the exoskeleton of an arthropod is known as

A.metamorphosis
B.instar formation
C.ecdysis
D.tagmosis

An accurate identification of a rapist can be carried out by conducting a

A.RNA analysis
B.DNA analysis
C.blood group test
D.behavioural traits test

Which of the following is true of cloning?

A.It is welcomed as an ethically and morally sound science
B.Only one cell of the original organism is needed to initiate the process
C.The clone is similar to but not exactly like the original organism
D.It involves the asexual multiplication of the tissues of the original organism

A water medium is necessary for fertilization in

A.fungi
B.conifers
C.ferns
D.angiosperms

A characteristic that can possibly be shared by both living and non-living organisms is

A.locomotion
B.irritability
C.increase in biomass
D.increase in size

In plants, the structure that performs a similar function with the testis in mammals is the

A.stigma
B.filament
C.anther
D.receptacle

Radial symmetry is a feature common to the

A.platyhelminthes
B.nematodes
C.coelenterates
D.arthropods

The most important characteristic that makes reptiles to conquer terrestrial habitats is the possession of

A.long tail
B.scaly skin
C.sharp claw
D.amniotic egg

In a dicotyledonous stem, the zone between the epidermis and the pericycle is the

A.cortex
B.stele
C.xylem
D.phloem

The rate of decomposition of organisms is faster in the tropical rainforest than in other biomes because

A.Of the relatively constant daylight
B.there are more plants per square feet
C.of abundance of water
D.of constant cool temperature