2018 OOU Biology Post-UTME

The muscle cell fluid of an athlete was tested immediately after a 100m race and was found to contain a high concentration of lactic acid. Explain what could have caused this. The

One of these is not a continuous variation

One of the following is usually worm-like, cylindrical or flattened

The roots hairs are

The random way genes recombine during meiosis and fertilization leads to

In a cell, the genes are carried by

An ecosystem is composed of all the following except:

In a food web, tertiary consumers belong to which trophic level

The primary structure responsible for pumping blood for circulation through the mammalian circulatory systems is the

The cocoon into which an earthworm lays its egg is produced in the

Daughters receive their X-chromosome from their _________

In bony fishes, the swim bladder is used for

The theory that new organs or characteristics develop in organisms when there is a need for them was postulated by

Ribosomes are found in all living cell. What is their function?

Which of the following is NOT a function of the nucleus of a cell?

Plants that are adapted to grow in dirty land where water content is low are

What happens to a man whose pancreas has been surgically removed?

The hereditary factor of the material for inheritance is

The random way genes recombine during meiosis and fertilization leads to

One of the following is not an excretory structure

In a food web, tertiary consumers belong to which trophic level

Which of the following factors is not associated with aquatic habitat

One of the following are usually worm-like, cylindrical or flattened

Which of the following constitutes the main internal tissue of leaf?

In insects, the structure that performs the same function as the kidney in man is the

Principles of heredity can be applied in one of these

One of these is not a shape of the fingerprints

What is the term used to describe the sum total of biotic and abiotic factors in the environment of the organisms?

S phase in growth curve is known as?

Carbohydrates are stored in animal cells as

The rhesus factor of blood was first identified in a category of

The division of nucleus is known as

In the mammal, the autonomic system consists of

The reproduction of cell is controlled by which of the following:

The order of food passage in the digestive system is

In plants, the structures that play roles similar to the arteries and veins of animals are the

Two plants with red flowers were back crossed, which of the following results indicates that the plants are heterozygous red flower, where red flowers are dominant?

Genetically modified food products have not become universally accepted because

Which of these animals is metamerically segmented

The sterile individuals in the honey bee are known as

Which of the following is used mainly for balancing in fish?

Octopus is popularly known as _________ fish

The sexual reproductive units produced by mature individuals of sexually reproducing species of organisms is called

Which of these does not have respiratory and circulatory systems

Spear grass has underground structure called

Maize is best stored against insect attack

Circulation of blood to all parts of the body except the lungs is through

Manufactured food in the plants is transported through the

The genetic make-up of an organism is called

A sudden change in a gene or genes is called