The scientist who introduced binomial nomenclature in the classification of organisms was

Which of the following statements is true about arthropods

What level of organization is Spirogyra?

The streaming movement of cytoplasm within Paramecium is known as

Which of the following organelles is found only in plant cells?

Active transport differs from diffusion in that active transport

The diagrams below are illustrations of an experimental set-up to demonstrate a type of tropic response in plants. Study them and answer questions 7 and 8.

The type of response demonstrated is

The diagrams below are illustrations of an experimental set-up to demonstrate a type of tropic response in plants. Study them and answer questions 7 and 8.

The conclusion drawn from the experiment is that

The odontoid process is found on the

A seedling was made to stand in a solution of red ink for three hours and a transverse section of the stem was examined under the microscope. The process being investigated was the

Which of the following structures would carry out respiration?

Which of the following substances is not an excretory product of animals?

An example of homeostasis in living organisms is

Ultrafiltration in the kidney takes place in the

The thyroid gland is located at the base of the

Which of the following statements about the response of neurons to stimulus is correct?

Which of the following practices may lead to infection of the eye? Use of

The structures for gaseous exchange in breathing roots are

The diagram below is an illustration of the life cycle of an insect. Study it and answer questions 19 and 20.

The adult insect in this life cycle is (a)

The diagram below is an illustration of the life cycle of an insect. Study it and answer questions 19 and 20.

The larva is also known as

The source of energy required by plants during food production is

One major difference between plant and animal nutrition is the ability of plants to synthesize

By what process is starch converted into maltose

The ascent of water in tall trees is mainly due to

The duodenum of a person was surgically removed. Which of the following substances would have their digestion affected?

Which of the following dental formulae represents the dentition in rabbits?

The diagram below is an illustration of an experimental set-up to demonstrate a property of soil. Study it and answer questions 27 and 28.

The property of soil demonstrated is

The diagram below is an illustration of an experimental set-up to demonstrate a property of soil. Study it and answer questions 27 and 28.

Which of the following statements would be a correct observation at the end of the experiment? Water moves

The most important factor(s) that influence(s) the ecological niche of an organism is or are the

The diagram below is an illustration of organisms in an air-tight aquarium.

The most important factor needed by the organisms is

Which of the following instruments is used to determine the turbidity of water?

In an ecosystem, the least efficient energy transfer link is from the

Xerophytes have the following characteristics aimed at conserving water except

An association between living organisms in which one lives on and feeds at the expense of the other is known as

When large numbers of organisms share limited space and resources, the immediate result is

Which of the following disease is caused by a bacterium?

Conservation of wildlife is necessary mainly because

Unconscious patients X and Y whose blood group genotypes are AO and AB respectively were transfused with blood from the same donor. Patient X immediately showed signs of difficulty in breathing while patient Y showed no negative reaction. Patients X and Y were likely transfused with blood of genotype

What should the hospital have done to prevent patient X from showing the symptom described above? Patient X should have

The greatest contribution to genetic studies was made by

The exchange of genes between homologous chromosomes is called

The diagrams below are illustrations of the inheritance of coat colour in mice: J, K, L, M and N are parents. The cross between two parent mice gave rise to offspring P, Q, R and S. Study the diagrams and answer questions 42 and 43.

Which parent mouse is heterozygous for coat colour?

The diagrams below are illustrations of the inheritance of coat colour in mice: J, K, L, M and N are parents. The cross between two parent mice gave rise to offspring P, Q, R and S. Study the diagrams and answer questions 42 and 43.

Which of the offspring are all homozygous?

Genes that remain linked are those

A plant cell has 14 chromosomes prior to mitosis. What is the number of chromosomes in the daughter cells?

The chemical bond that holds the bases of the two strands of DNA together is

The diagram below is an illustration of one of the theories of evolution. Study it and answer questions 47 and 48.

who proposed the theory illustration ?

The theory supports

In evolution, fossils are naturally preserved in

Which of the following insects is not a social insect?