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

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

Genetically modified food products have not become universally accepted because

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

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

Maize is best stored against insect attack

An ecosystem is composed of all of the following except:

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

The genetic make- up of an organism is called

Carbohydrates are stored in animal cells as

The random way genes recombine during meiosis and fertilization leads to

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

In the mammal, the autonomic system consists of

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

The random way genes recombine during meiosis and fertilization leads to

The division of nucleus is known as

Spear grass has underground structure called

Which of the following factors is not associated with aquatic habitat

Manufactured food in the plants is transported through the

S phase in growth curve is known as?

In bony fishes, the swim bladder is used for

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

The sterile individuals in the honey bee are known as

A sudden change in a gene or genes is called

Principles of heredity can be applied in one of these

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

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

One of this is not a shape of fingerprints

Which of these animals is not metamerically segmented

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

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

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

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

One of this is not a continuous variation

The roots hairs are

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

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

Which of these does not have respiratory and circulatory systems

The hereditary factor of the material for inheritance is

One of the following is not an excretory structure

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

Octopus is popularly known as __________ fish

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

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

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 dominants?

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

Daughters receives their X-chromosome from their

In a cell, the genes are carried by

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