WAEC Biology

OBJECTIVES 1. A pyramid of numbers is constructed by A. comparing living and non-living things. B. measuring productivity, C. conducting census. D. labelling the living organisms. 2. Which of the following instruments is used to estimate the number of plants in a habitat? A. Pooter. B. Pitfall trap. C. Quadrat.…

OBJECTIVES 1. A space containing a group of interactive organisms is called A. community. B. habitat. C. ecosystem. D. population. 2. The area around the earth where life activities go on is referred to as A. biosphere. B. lithosphere. C. habitat. D. ecosystem 3. Which of the following components make…

OBJECTIVES 1. The following events occur during mitosis in a cell: I. Chromatids separate; II. Chromosomes become visible; III. Chromosomes align at the equator; IV. Cytoplasm divides (Cytokinesis). The correct sequence of the events is A. III, II, IV, I. B. II, III, I, IV. C. II, I, III, IV.…

OBJECTIVES Study the diagram below and use it to answer questions 1&2 1. To form a ball and socket joint, the structure labelled I fits into another structure in the scapula called the A. blade. B. glenoid cavity. C. olecranon fossa. D. patella. 2. The structure labelled II is called…

OBJECTIVES 1. The curvature movement of plants in response to the stimulus of water is called A. hydrotropism. B. geotropism. C. phototropism. D. thigmotropism. The diagrams below are illustrations of an experimental set-up to demonstrate a type of tropic response in plants. Study them and answer questions 2 & 3…

OBJECTIVES 1. Growth includes the following processes except A. differentiation. B. enlargement. C. mitosis. D. meiosis. 2. Two organelles directly involved in mitotic cell division are A. nucleus and mitochondrion. B. ribosome and w nucleus. C. centriole and golgi apparatus. D. nucleus and centriole. 3. Which of the following structures…

OBJECTIVES 1. The diagram below is an illustration of the human excretory system which of the labelled parts contains the highest amount of nitrogenous waste? A. I. B. II. C. IV. D. VI.   2. A substance present in the glomerular filtrate in the mammalian kidney is A. glucose. B.…