J Biology 16

Which of the following pairs are social insects?

The path followed by air as it passes through the lungs in mammals

Which of the following conditions is NOT necessary for photosynthesis to take place?

The movement of blood between the heart and all other parts of the body besides the
lung is known as

The theory of natural selection was postulated by

The importance of the mouth-brooding behaviour in Tilapia is that it

When sickle cell carrier marries a normal woman, the probability of them having a
normal offspring is

The hereditary characters in plants and animals are located on the

The type of asexual reproduction that is common to both Paramecium and Protists is

The ability of a Chameleons to change its colour rapidly is an adaptation for

Which of the following animals has homodont dentition?

The insects in which the maxillae are modified into a long coiled proboscis is

Which of the organisms represent are notable agricultural pests

Which of the following plant hormone is responsible for ripening of fruits?

Which of the following organs regulates the levels of water. salts, hydrogen ions, and
urea in the mammals?

The path followed by air as it passes through the lungs in mammals is

If the cross of a red-flowered plant with a white flowered plant produces a pink flowered
plant, this is an example of

The vector for the malaria parasite is a

The ability of a living organism to detect and respond to changes in the environment is
referred to as

The function of the red head in male Agama lizards is to

In which of the following groups of vertebrates is parental care mostly exhibited?

A collection of population of all living organisms that exist in a habitat is referred to as

The bacteria that is found in the root nodules of leguminous plants is

The largest amount of yolk is found in the egg of

An example of a non-bio degrable pollutants is

Which of these organisms partly digest its food extracellularly?

Seed plants are divided into

which of the following is an agent of a sexually transmitted disease?

The arrangement of ovules attached to the sides of a syncarpous ovary with a single
chamber is referred to as

The theory of use and disuse of organs was promulgated by

The relationship between a termite and the protozoam in its intestine is described as

The movement response of a cockroach away from a light source is

The pathogen that cause smallpox is

Exo-erythrocytic phase of the life cycle of malaria parasite occurs in the

Which of the following can cause shrinkage of living cells?

When a cell is placed in solution and the size of the cell increases, the concentration of
solution is said to be

The activity of ptyalin is likely to decrease with an increase in the concentration of

The crossing of individuals of the same species with different genetic characters is

Which of the following theories was NOT considered by Darwin in his evolutionary
theory?

Fibrinogen and prothrombin play important roles in the

Which of the following protects the essential parts of the flower at bud stage?

The part of the mammalian ear responsible for the maintenance of balance is the

The rate of transpiration is NOT affected by

The micro-organisms that causes Typhoid disease is

In the nitrogen cycle, the nitrates in the soil are converted to atmospheric nitrogen by

An example of an endospermous seed is

The sequence of the one-way gaseous exchange mechanism in a fish is

Strong short and concical beak to pick and crush seeds is an adaptive feature of

Which of the following is NOT a method of conserving wild life?

The adaptive importance of the nuptial flight from termite colonies is to