The cell as the basic unit of life consist of

Use the following classes of Arthropoda to answer question 2 and 3. I.Crustacea; II. Insecta III.Arachinda IV. Chilopoda. Which members of the classes live mainly in an aquatic habitat?

Use the following classes of Arthropoda to answer question 2 and 3. I.Crustacea; II. Insecta III.Arachinda IV. Chilopoda. Which of the classes is characterized by the possession of two pairs of antennae?

The organism with spiral chloroplasts and nucleus suspended by cytoplasmic strands is

The network of double membrane that conveys materials through the cytoplasm is the

The diagram below is an illustration of the longitudinal section of a plant organ. Study it and answer questions 6 to 8.

Food is stored in the part labelled

The diagram below is an illustration of the longitudinal section of a plant organ. Study it and answer questions 6 to 8.

The plant is a

The diagram below is an illustration of the longitudinal section of a plant organ. Study it and answer questions 6 to 8.

The part labelled I is the

Which of the following materials is not a living semi-permeable membrane?

In an experiment, mould and yeast cells were transferred into an environment with low oxygen concentration. After a few days, the mould died while the yeast cells did not. Which of the following statements best explains the above observation?

Which of the following tissue does not provide support in flowering plants?

The diagram below is an illustration of an experimental set-up. Study it and answer questions 12 and 13.

The set-up directly measures

The diagram below is an illustration of an experimental set-up. Study it and answer questions 12 and 13.

The set-up measure comparatively the rate of

The respiratory organ of a cockroach is the

The excretory product of some reptile, birds and insects is

The part of the mammalian kidney that stores urine is the

The properties of endocrine system include the following except

The part of the central nervous system that controls unconsciousness actions in humans is the

What happens when the ciliary muscles of the eye contract?

The diagram below is an illustration of a part of a flower. Study it and answer question 20 and 21.

The function of the part labelled I is

The diagram below is an illustration of a part of a flower. Study it and answer question 20 and 21.

The part labelled II is the

The reagent used in testing for carbon (IV) oxide is

Oxygen comes out of the stomata during photosynthesis through the process known as

The first stable product of photosynthesis is

An example of a trace element is

Which of the following statements about a mixture of a protein-digesting enzyme and starch solution would be correct? The protein-digesting enzyme

A mutualism type of relationship is different from a parasitic relationship because in mutualism,

The table below shows the number of some organisms in habitat W and Y. study it and answer questions 28 to 30.

What type of habitat is W?

The table below shows the number of some organisms in habitat W and Y. study it and answer questions 28 to 30.

Which of the following statements about habitat W is correct?

The table below shows the number of some organisms in habitat W and Y. study it and answer questions 28 to 30.

The number of lions and antelopes in habitat Y shows that the lion

The diagram below is an illustration of an ecological instrument. Study it and answer questions 31 and 32.

A disadvantage of the abiotic factor measured by the instrument is that it

The diagram below is an illustration of an ecological instrument. Study it and answer questions 31 and 32.

When the instrument is in use, it is usually

Soil with the finest texture is

The position occupied by an organism in a food chain is the

The depletion of the ozone layer will result in the earth surface receiving more

Use the list of insects below to answer questions 36 and 37. I – cotton stainer II – honeybee III – termite IV – weevil. The insects whose activities are both beneficial and harmful to humans are

Which of the insects destroys grains?

Conservation of natural resources does not

A company was prohibited from producing bags made from natural leopard skin. This is an attempt to conserve.

Which of the following substances is not conservable natural resources?

A child that can receive blood donation from anybody belongs to the blood group.

Variation which exhibits a wide range from one extreme to the other is

Measurements of height and weight of students in a class show

Which of the following statements about chromosomes is correct?

Which of the following disease can be inherited?

The diagram below is an illustration of a cross between plants A and B of the same species. Study it and answer questions 46 and 47.

If the F1 generation are plants with high yield and resistance, the genotype of the F1 generation plants would be

The diagram below is an illustration of a cross between plants A and B of the same species. Study it and answer questions 46 and 47.

The process that gave rise to the F1 generation is

Replication of DNA molecules is catalysed by an enzyme called

Who proposed the theory of evolution by natural selection?

Which of the following statement best explains the reason why termites swarm at night?