Which of the following organisms is not a protozoan?

The structure of the cell membrane is

Which of the following cells is a specialized cell?

The following organisms have structures for movement except

Which of the following statements about protoplasm of a cell is not correct? It

When a spirogyra filament is placed in a concentrated salt solution for 30 minutes, the cell would become

The diagram below is an illustration of a crocodile. Use it to answer questions 7 and 8.

Which of the labelled parts enable the animal to stay underwater most of the time?

The diagram below is an illustration of a crocodile. Use it to answer questions 7 and 8.

Two characteristic features of the class to which the crocodile belongs are

Water and salts are both lost from the human body in

Which of the following features could be used to determine the growth of a seedling?

The following diagram shows the sequence of events in early cell division. Study the diagram and answer question 11.

In which of the following cells is the division likely to take place?

A plant that commonly undergoes vegetative propagation by means of leaves is

The diagram below illustrates a part of the mammalian skeleton. Use it to answer questions 13 and 14.

The part of the mammalian skeleton illustrated in the Diagram is the

The diagram below illustrates a part of the mammalian skeleton. Use it to answer questions 13 and 14.

The function of the part I is to

Blood pressure is higher in the arteries as a result of

A farmer who wants to keep seeds for three years before planting and wants to prevent them from sprouting out uses

person had an accident that affected the skull but not the nose and later lost the sense of smell. The accident must have affected the

Ability of the human eye to focus images accurately on the retina is called

Which of the following characteristic features is not associated with monocotyledonous plants?

The main difference between a seed and a fruit is that a fruit

Which of the following processes removes carbon (IV) oxide from the atmosphere?

A student used the following steps in testing for non-reducing sugar:(i) added Benedict's solution to the sugar solution. (ii) added dilute hydrochloric acid to the sugar solution and boiled it. (iii) added sodium hydroxide solution to the solution in II and boiled. (iv) added Benedict's solution to the cooled solution in III.Use the information above to answer questions 22 to 24. Why did the student add the dilute hydrochloric acid to the sugar solution in step II?

A student used the following steps in testing for non-reducing sugar:(i) added Benedict's solution to the sugar solution. (ii) added dilute hydrochloric acid to the sugar solution and boiled it. (iii) added sodium hydroxide solution to the solution in II and boiled. (iv) added Benedict's solution to the cooled solution in III.Use the information above to answer questions 22 to 24. What is the importance of step II in the testing process? To.

A student used the following steps in testing for non-reducing sugar:(i) added Benedict's solution to the sugar solution. (ii) added dilute hydrochloric acid to the sugar solution and boiled it. (iii) added sodium hydroxide solution to the solution in II and boiled. (iv) added Benedict's solution to the cooled solution in III.Use the information above to answer questions 22 to 24. The colour change to be observed in step IV is

Which of the following organs of the alimentary canal is not correctly matched with its function?

A person suffering from obstruction of the bile duct is advised not to eat fats and oil because

A community reaches a climax when

Which of the following components make up an ecosystem?

The major problem experienced by organisms living in small water bodies is

The capillarity of a soil refers to

An organism at the start of a food chain which provides the total input of energy into an ecosystem is the

Study the diagram below and use it to answer questions 32-34.

The mode of nutrition of the plant in the diagram is

Study the diagram below and use it to answer questions 32-34.

The structure labelled I is

Study the diagram below and use it to answer questions 32-34.

In which type of soil is the plant found? Soil that is

Which of the following organisms is an endo-parasite?

Oil applied to the surface of water kills the larvae of mosquitoes through

Which of the following natural resources is most readily available to all organisms?

Which of the following resources is non-renewable?

Soil erosion could be prevented by

Which of the following statements about human blood groups is not true?

Which of the following traits is not inheritable?

A woman with blood group A gives birth to a child with blood group O. Which of the following blood groups cannot belong to the father?

How many chromosomes will be in a gamete if the normal cell has four chromosomes?

Use the diagram below to answer questions 44 and 45.

Which of the following statements about the cross is correct?

Use the diagram below to answer questions 44 and 45.

What are the genotypes of the parents if the gene for skin colour is H?

According to Mendel's first law of inheritance, segregation of genes occur when

Which of the following statements about sex-linked characters is not true?

In explaining the term camouflage to a class, the diagram below showing four varieties, P, Q, R and S of the same species of fish living amongst water plants in a river were used. Use the diagram to answer questions 48 to 50.

Which of the varieties is likely to decrease most in number if a predatory fish is introduced into the river?

In explaining the term camouflage to a class, the diagram below showing four varieties, P, Q, R and S of the same species of fish living amongst water plants in a river were used. Use the diagram to answer questions 48 to 50.

Which of the varieties is most likely to outlive the others?

In explaining the term camouflage to a class, the diagram below showing four varieties, P, Q, R and S of the same species of fish living amongst water plants in a river were used. Use the diagram to answer questions 48 to 50.

The variety selected in question 49 will outlive the others because the