ABU Biology 2015/2016 Past Questions

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

The nucleus is considered the control organelle of a cell because it

A.Contains genetic material
B.contains the nuclear sap
C.is bounded by the nuclear membrane
D.is located at the centre of the cell

Regulation of blood sugar level takes place in the

A.pancreas
B.ileum
C.Liver
D.Kidney

The heart of the adult frog consist of

A.Two auricles and two ventricles
B.one auricles and one ventricles
C.Two ventricles and two auricles
D.Two auricles and one ventricles

A group of organisms of different species living in a particular area is described as a

A.colony
B.community
C.population
D.niche

A freshwater plant such as water lily can solve the problem of buoyancy by the possession of

A.arenchymarous tissue
B.dissected leaves
C.thin cell walls of the epidermis
D.water repelling epidermis

Soil micro-organisms are beneficial because of their involvement in

A.photosynthesis
B.translocation
C.cycling of nutrients
D.respiration using soil air

One of the ways in which body cells differ from gamete cells is in the

A.type of chromatids they contains
B.number chromosomes pair they contains
C.type of chromatids they contain
D.number of chromosomes they contain

In the blood transfusion, agglutination occurs when

A.White blood cells from two individuals meet
B.two different antibodies meet
C.two different antigens meet
D.contrasting antigens and antibodies meet

The richest sources of vitamin A are

A.palm oil and groundnut oil
B.palm oil and carrots
C.rice and groundnut oil
D.oranges and carrots

Yellowing of leave is a symptom associated with deficiency of

A.iron, calcium and magnesium
B.nitrogen, sulphur and potassium
C.sulphur, phosphorus and iron
D.magnesium, nitrogen and iron