Posts by 9As Exam Blog

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.…

OBJECTIVES 1. In cellular respiration energy is made available to organisms by A. removal of a phosphate group from ADP. B. breaking off a phosphate group from ATP. C. adding a phosphate group to glucose. D. breaking off a hydrogen ion from NADPH. 2. Respiration is an essential life process…

OBJECTIVES 1. Pepsin is secreted as an inactive precursor called pepsinogen because A. pepsin as an enzyme is quickly destroyed by the alkaline food from the mouth. B. all digestive enzymes pass through a precursor stage. C. pepsin is a proteolytic enzyme and might attack the stomach tissues. D. pepsin…

OBJECTIVES The diagrams below are illustrations of the dentition of an organism. Study them and answer questions 1 to 3. 1. The dentition belongs to A. rabbit. B. cat. C. Frog. D. man. 2. The function of the teeth  labeled X is for A. biting and grasping. B. chewing and…

OBJECTIVES 1. A meal consisting of yam and a lot of vegetables is not balanced because it does not contain A. minerals B. proteins. C. vitamins. D. carbohydrates. 2. In a Biuret test, some protein was mixed with sodium hydroxide solution. Which of the following chemicals should be added to…

OBJECTIVES 1. Analysis of the gut content of an animal showed that it contained small pieces of bone, seeds, roughage and insects. The animal is likely to be a/an A. carnivore. B. herbivore C. insectivore. D. omnivore. 2. A beaker of pond water containing few specimens of Euglena was placed…