UNIPORT Biology 2019/2020 Past Questions

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

Beriberi is caused by deficiency of vitamin

A.A
B.D
C.K
D.E
E.B

The parasympathetic nervous system is involved in

A.Dilation of pupil of the eye
B.Control the activities of smooth muscles
C.Dilatation of the skin
D.Controls thinking in mammals
E.Increased metabolism

Pepsin is an enzyme that digests

A.Starch
B.Sugar
C.Lipid
D.Fat
E.Protein

A symbiotic relationship in which one organism is completely dependent on another organism is called

A.Parasitism
B.Commensalisms
C.Mutualism
D.Saprophytism
E.Competition

On what part of the tongue do we perceive salty taste

A.front
B.sides
C.back
D.sides and front

The substrate in cellular respiration is

A.sucrose
B.glucose
C.glycogen
D.adensosine diphosphate

A deficiency of vitamin B₁ (thiamine) in the diet of a child can lead to

A.goitre
B.beri-beri
C.scurvy
D.pellagra

The carrier of the hereditary characters in plants and animals is the

A.cell
B.nucleus
C.chromosome
D.gene

```Choose the correct or best answer to the following questions.```
The lenticels:

A.removes excess water in plant
B.absorbs water from the atmosphere
C.is for gaseous exchange
D.absorbs light
E.stores food

Which of these is not metamerically segmented?

A.Tapeworm
B.Earthworm
C.Centipede
D.Crayfish
E.Shark