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?

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

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

S phase in growth curve is known as?

The division of nucleus is known as

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

Maize is best stored against insect attack

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

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

The random way genes recombine during meiosis and fertilization leads to

The hereditary factor of the material for inheritance is

A sudden change in a gene or genes is called

Daughters receives their X-chromosome from their

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

In bony fishes, the swim bladder is used for

One of this is not a continuous variation

Spear grass has underground structure called

The roots hairs are

An ecosystem is composed of all of the following except:

One of this is not a shape of fingerprints

The genetic make- up of an organism is called

The order of food passage in the digestive system is

Manufactured food in the plants is transported through the

Octopus is popularly known as __________ fish

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

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

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

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

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

Which of these does not have respiratory and circulatory systems

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

In the mammal, the autonomic system consists of

Carbohydrates are stored in animal cells as

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

The random way genes recombine during meiosis and fertilization leads to

The sterile individuals in the honey bee are known as

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

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

Which of the following factors is not associated with aquatic habitat

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

Genetically modified food products have not become universally accepted because

In a cell, the genes are carried by

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

Principles of heredity can be applied in one of these

One of the following is not an excretory structure

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

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

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

Which of these animals is not metamerically segmented

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