1993 WAEC SSCE Biology Past Questions

1993

SECTION AAnswer all the questions in both sections1. State the importance of the following elements to plants: (a) iron: (b) phosphorus (c) calcium (d) potassium2. Give one example each of the following (a) plant parasit…

1993

(a) List four characters which can be transmitted from parent to offspring in man.(b) State two differences between mitosis and meiosis.(c) Explain briefly the importance of meiosis and fertilization in the reproduction…

1993

(a) Give a brief description of the characteristics of the Northern Guinea Savanna.(b) Describe how you can estimate the density of a plant species using a quadrat.

1993

(a) Describe the process of inhalation in man .(b) Describe briefly the process of gaseous exchange in the shoo: system of flowering plants.(c) Describe an experiment to demonstrate the effect of distilled water on mamma…

1993

(a) (i) List two diseases each of plants and animals caused by bacteria. (ii) State three ways in which bacteria are useful.(b) State three methods by which mosquitoes can be controlled and state the reason for each meth…

1993

Which of the following is a similarity between a typical animal cell and a typical plant cell? Presence of

1993

Exchange of gases takes place in the air sacs contained in the

1993

The part labelled VII is the

1993

In which of the following parts of a cell is the chromosome found

1993

Which of the following is the medium of transportation of nutrients within unicellular organisms?

1993

During the process of breathing, volume and pressure changes occur as a result of the movement of the parts labelled

1993

When an axon is at rest, the concentration of ions on either side of the membrane are different. Which of the following is correct about the concentrations ions on either side of the membrane?

1993

Which of the following structures functions as an excretory, system found in flatworm?

1993

Which of the following is not a courtship behaviour exhibited of animals?

1993

This defect can be corrected by the use of

1993

How would you describe the position of the ovary in relation to the receptacle?

1993

The function of the part labelled l is to

1993

What is the function of the part labelled ll?

1993

The process whereby microorganisms can convert atmospheric nitrogen into nitrogenous compound isKnown as

1993

Which of the following structures are adjusted in focusing the image of a distant or near object on the retina?

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