Biology Past QuestionsQuestion 86:A carbohydrate molecule in the blood in the right ventricles of the heart is pumped into the cell of the toe of a man. Which of these structure is it unlikely to pass through en-route A. Pulmonary artery B. Lungs C. Heart D. Liver E. Aorta Question 87:In a photo-tropic experiment, young seedlings in a box were subjected to light from one direction. The seedling continue to grow erect. Which of the following statement is correct A. Only the tip of the seedling received the light B. The light was not strong enough C. The seedlings were rather too young D. The tip of the seedling may have been covered E. The box containing the seedling should have been placed on a laboratory bench Question 88:Which of these is not a characteristics of a wind pollinated flowers? A. A smaller quantities of sticky pollen produce B. Feathery styles of stigmas pendulously hang outrside the flower C. Small inconspicuous scentless flower D. Large anthers which are loosley attached to the filament E. Light pollen grains produced in large quantities from the anthers Question 89:A germinating seed requires oxygen which is essential for A. Converting carbonhydrate into glucose B. Transporting energy from part of the plant to another C. The production of energy by oxidising essential carbonhydrate D. Hydrolysis of protein E. The formation of water molecules within the germinating seed Question 90:Which of these products obtained from analyzing sweat from skin is not an excretory product? A. Water B. Salts C. Dust D. Urea E. Urates |
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