The diagram below is an illustration of a type of eye defect in humans. Study it and answer this question.

The eye defect illustrated in the diagram is?

• A. hypermetropia
• B. astigmatism
• C. presbyopia
• D. myopia

The process that takes place at the light stage of photosynthesis is?

• A. splitting of water molecules to form hydrogen ions
• B. reduction of carbon (IV) oxide to form carbohydrate
• C. formation of two molecules of phosphoglyceric acid
• D. breaking down of ATP molecules to produce energy

The diagram below is an illustration of a type of eye defect in humans. Study it and answer this question.

The eye defect can be corrected by the use of?

• A. convex lens
• B. concave lens
• C. bifocal lens
• D. cylindrical lens

The diagram below is an illustration of the growth of a plant in a water culture. After a few days, the solution turned green and the plant died. Use this to answer this question.

The death of the plant was likely caused by?

• A. excess supply of nutrients to the plant
• B. inadequate supply of water to the plant
• C. algal growth in the solution that used up the nutrients
• D. inability of the plant to make food due to lack of sunlight

Which part of the gill of fish is involved in gaseous exchange?

• A. Gill slits
• B. Gill bars
• C. Gill covers
• D. Gill filaments

How many gametes are produced in the pollen grain of a flowering plant before fertilization?

• A. one
• B. two
• C. three
• D. four

Which of the following groups contains a non-supporting structure in animals?

• A. Cartilage, bone and pseudopodia
• B. Pellicle, chitin and bone
• C. Humerus, ribs and cartilage
• D. Femur, pellicle and chitin

An enzyme reaction may begin to decline when?

• A. the optimum temperature is attained
• B. the ph of the medium is altered
• C. there is an increase in substrate concentration
• D. the atmospheric pressure is altered

The diagram below is an illustration of the longitudinal section of a mammalian organ. Study it and answer this question.

Which of the labeled parts is the cortex?

• A. I
• B. II
• C. III
• D. IV

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

• A. mutualism
• B. commensalism
• C. parasitism
• D. predation