OAU Biology 2013/2014 Past Questions

Hierarchical organization of living organisms is in one of the following orders:

Steepness of slope generally affect...

Bacteria differ from eukaryotic of life in that they:

Which of the following statements is NOT correct? Hormones

Sister chromatics are:

One of the groups of organisms below is critical in the saline process of nutrient cycling

If 80 grasshoppers are found in a field with a total area of 100m², what is the population density of grasshopper in the field?

Which of the following is part of the axial skeleton in a mammal?

A major difference between Arachnids and Annelids is that ...

The process in which the internal environment of an organism is maintained is called

One of the following organisms exhibits a closed and single circulatory system

Coelomates are animals with

This tissue is made up of tracheids, vessel, fibres and parenchyma. What is it?

The important processes which bring about recycling of carbon dioxide between the biotic and abiotic components of an ecosystem are all of the following except

When a cut is made on the trunks of certain trees, the milky fluid exuded is called

the system of membrane — lined sacs that forms channels throughout the cytoplasm and whose membrane is continuous with the nuclear membrane is the

The type of farming which involves raising livestock only is called

Fruits that develop without fertilization and are seedless are known as

Nerve endings are located in which part of the tooth

Which of the following is the hardest material in the body of animals?

Grasping fingers and toes as well as eyes positioned in front of the head are features of

One of the major differences between DNA and RNA is that ....

One of the statements is true of caryopsis

A biological species must possess the following characteristics except