OAU Biology 2009/2010 Past Questions

Which of these types of skeleton is most appropriate to the cockroach

When proteins are broken down they provide

The function of lenticels is

One of the functions of xylem

People suffering from myopia

The cilia in paramecium are used for

The study of the organisms and the environment of an abandoned farmland is the Ecosystem of

At fertilization

The neck region of the tapeworm (Taenia spp.) is responsible for the

Which of the following is characteristics of the animal cell

In the life history of Schistosoma (Bilharzia), one of the following is the intermediate host

The hormone which tones up the muscles of a person in the time of danger is from the

The movement of molecules from a region of higher concentration to one of lower concentration is

The region of cell division in a root is

Which of the following is not an excretory organ?

The part of the mammalian brain responsible for maintaining balance is

A sugar solution was boiled with fehling's solutions A and B and the colour remain blue. The sugar tested was

The blood vessel which carries digested food from the small intestine to the liver is the

The maize grain is regarded as a fruit and not a seed because

Identical twins are produced under one of the following conditions

Partially digested food ready to leave the stomach is called

The particles found in the blood which play an important role in blood cloning are called

In a cross between a normal male and a female carrier for haemophiliac disease, the percentage of their sons expected to suffer the disease as haemophiliac is

Which of the following hormones is produced during fright or when agitated?

Grasses-Grasshopper-Lizards-Snakes-Hawks. In the food chain, the organisms which are the least in number are

One significant difference between roots and stem is that

The arrangements below are steps in protein digestion. Which is the correct sequence? A-polypeptides, b-protein, c-amino acids, d-peptones