JAMB Biology Possible Exam Question to Revise With.
1 Which of the following is a homostatic response in humans? A. Withdrawing the hand from a hot object B. The mouth getting watery when food is sighted C. yawning owing to tiredness D. shivering in a cold environment 2. The Mambila plateau is a unique Nigerian biome located in 3. In Nigeria, the guinea savanna belt borders the A. mangrove swamps and the sahel savanna B. rainforests and the sudan savanna C. desert and the sudan savanna D. rainforests and the deserts 4. The population density of Tridex in an abandoned square farm land of side 200 m was found to be 5 plants per m . The population size of the plant on the farm is 5. Secondary succession is much faster than primary succession because A. pioneer colonizers are more in number B. soil is already present C. secondary seres require less nutrients D. species competition is increased 6. Which of the following is used to test for the presence of lime in a soil sample? 7. The importance of practising crop rotation in agriculture is to A. maintain soil fertility B. improve the nutritional value of crops D. ensure the growth of crops 8. The recycling method of solid waste disposal is unsuitable for 9. A non – renewable alternative source of energy is 10. Which of the following is the best explanation for a child who is phenotypically short and born of two tall parents A. The father possesses a gene for shortness B. The mother possesses a gene for shortness C. Nature makes the child short D. Both parents possess gene for shortness 11. A yellow maize is crossed with a white maize and the first filial generation produce yellow maize only. The white trait is said to exhibit 12. Angiosperms and gymnosperms belong to the plants group known as 13. Which of the following are non-green plants? 14. Sting cells are normally found in 15. Which of the following are differentiated into true roots, stems and leaves 16. To facilitate gaseous exchange, breathing roots have 17. The annulus of fern sporangium helps in B. conduction of mineral salt C. trapping of light energy 18. One of the features which adapts Paramecium to its environment is the possession of 19. In the earthworm, the cocoon is secreted by the 20. The function of maxillipeds in crayfish is to aid 21. The respiratory organ in the land snail is the 22. The gill rakers of fishes take part in 23. A wide pith with a ring of conducting tissue is characteristic of the root of 24. Which of the following is formed immediately after the first product of photosynthesis? 25. One of the accessory organs of the digestive system is the 26. The element common to protein carbohydrate and lipid is 27. The crown of the mammalian tooth is covered with 28. In the living cells, insufficient oxygen may cause a breakdown of glucose into 29. Which of the following can bring about the greatest increase in the rate of transpiration? 30. In a food chain, each succeeding level in a forward direction represents A. an increase in the number of individuals B. a decrease in the number of individuals C. an increase in the biomass of individuals D. a gain in the total energy being transferred 31. The disaster that would have the least destructive impact on animal life and balance in nature is 32. The legs and beak of an egret resemble those of the heron because they D. occupy the same trophic level 33. The factors that determine the distribution of vegetation zones are A. temperature, light, rain and humidity B. light, humidity, air and mist C. temperature, light, air and humidity D. humidity, snow, frost and dew 34. A cross between an albino female and a genetically normal male will result in offspring that are B. all phenotypically normal C. all genetically normal D. half albino and half normal 35. The pollutants that contribute to the depletion of the ozone layer in the atmosphere are 36. The surest way to combine the best qualities of both parents in the offspring is by 37. Blood grouping in human beings is derived from combinations of B. four different alleles C. three different alleles 38. The older fossil-bearing rocks, in contrast to the more recent ones, are more likely to contain A. animal rather than plant remains B. invertebrates rather than birds C. flowering plants rather than mosses D. reptiles rather than fishes 39. In a group of male Agama lizards, the one with the brightest head colour is the 40. Example of water-borne and sex linked diseases are B. cholera and gonorrhoea
D. dracunculiasis and haemophilia