WAEC Biology

The diagram below illustrates an ecological instrument.Use it to answer questions 1 & 2 1. The instrument isA. an anemometer.B. a hygrometer.C. a barometer.D. a wind vane. 2. The instrument is used to measure theA. direction of wind.B. speed of wind.C. air pressure in a habitat.D. turbidity of water. 3.…

1. Increasing adrenaline content of the blood would be expected to decrease the flow of blood to theA. liver.B. heart.C. lungs.D. brain. 2. The presence of glucose in the urine of a patient is an indication of malfunctioning of theA. pancreas.B. gall bladder.C. liver.D. spleen. 3. Which of the following…

OBJECTIVES 1. The function of the convex lens in the correction of eye defects is toA. diverge light rays from far objects to focus image on the retina.B. converge light rays to focus Image behind the retina.C. converge light rays to focus the image before the retina.D. converge light rays…

OBJECTIVES 1. The legs of an accident victim with a fractured vertebral column and injured spinal cord could not be raised becauseA. impulses from receptors in the legs cannot travel to the brain.B. impulses from the brain cannot travel to the legs.C. chemical substances will be released at synapses in…

1. The following organisms are pests of plants exceptA. birds. B. nematodes. C. bacteria. D. rodents. 2. The use of predators or parasites to control pests in the farm is known as A. predator control. B. chemical control, C. biological control. D. animal control. 3. Which of the following is…

1. Which of the following natural resources is non-renewable? A. Water. B. Coal. C. Forest. D. Air. 2. Which of the following statements is not a reason for banning bush burning? It A. allows for quick regrowth of grasses. B. kills soil microorganisms. C. leaves the soil bare of vegetation.…

OBJECTIVES Use the substances listed below to answer questions 1 & 2. I. Fertilizer II. Insecticides III. Sewage IV. Crude oil V. Sulphur dioxide. 1. The atmosphere can be polluted by A. I only. B. Ill only. C. IV only. D. II and V only. 2. Which of the substances…