2011 JAMB BIOLOGY PAST QUESTIONS AND ANSWERS Leave a Comment / Jamb Biology / By Jamb Tutor Report a question What’s wrong with this question? You cannot submit an empty report. Please add some details. 0% 0 votes, 0 avg Created by Jamb TutorJamb Biology 2011 JAMB BIOLOGY PAST QUESTIONS AND ANSWERS 1 / 50 Category: Jamb Biology 2011 1. Which Question Paper Type of Biology is given to you? a) Type A b) Type B c) Type C d) Type D Identifies the specific type of question paper given. 2 / 50 Category: Jamb Biology 2011 2. The function of the red head in male Agama lizards is to a) conceal from predators b) scare other males c) attract females d) warn predators Tests knowledge of the role of physical features in mating behaviors of male Agama lizards. 3 / 50 Category: Jamb Biology 2011 3. In which of the following species is the biomass of an individual the smallest? a) Agama sp. b) Bufo sp. c) Spirogyra sp. d) Tilapia sp. Examines comparative biomass among various species. 4 / 50 Category: Jamb Biology 2011 4. Seed plants are divided into a) tracheophytes & ferns b) angiosperms & gymnosperms c) monocotyledons & dicotyledons d) thallophytes & bryophytes Tests knowledge of the major groups of seed plants. 5 / 50 Category: Jamb Biology 2011 5. In which of the following groups of vertebrates is parental care mostly exhibited? a) Reptilia b) Amphibia c) Aves d) Mammalia Identifies the vertebrate group that shows the most parental care. 6 / 50 Category: Jamb Biology 2011 6. Which of the organisms represented are notable agricultural pests? a) II and IV b) I and IV c) II and III d) I and III Focuses on identifying organisms with a direct impact on agriculture. 7 / 50 Category: Jamb Biology 2011 7. An economic importance of the organism represented by IV is that a) transmits disease b) destructive to crops c) pollutes drinking water d) controls mosquito larvae Tests knowledge of the ecological impact of certain species. 8 / 50 Category: Jamb Biology 2011 8. The adult form of iii is a vector of a) sleeping sickness b) river blindness c) cholera d) elephantiasis Identifies the disease transmitted by a certain insect vector. 9 / 50 Category: Jamb Biology 2011 9. The adaptive importance of nuptial flight from termite colonies is to a) disperse reproductives b) provide food for birds c) ensure cross-breeding d) expel reproductives Examines why termites engage in nuptial flight to form new colonies. 10 / 50 Category: Jamb Biology 2011 10. The gas evolved in the process is a) carbon (IV) oxide b) nitrogen c) oxygen d) carbon (II) oxide Identifies the gas released during a particular biological process. 11 / 50 Category: Jamb Biology 2011 11. The experimental set-up above is used to demonstrate the process of a) diffusion b) photosynthesis c) fermentation d) plasmolysis Tests understanding of a biological process represented in an experiment. 12 / 50 Category: Jamb Biology 2011 12. Which of the following can cause shrinkage of living cells? a) hypotonic solution b) isotonic solution c) deionized water d) hypertonic solution Asks which solution type causes cells to lose water. 13 / 50 Category: Jamb Biology 2011 13. Which of the following is true of leucocytes? a) respiratory pigments b) numerous in cells c) large & nucleated d) involved in clotting Tests understanding of the structure and function of white blood cells. 14 / 50 Category: Jamb Biology 2011 14. The conversion of a nutrient into a molecule in the body of a consumer is referred to as a) digestion b) assimilation c) absorption d) inhibition Examines terminology related to nutrient processing in consumers. 15 / 50 Category: Jamb Biology 2011 15. The ability of living organisms to detect and respond to changes in the environment is referred to as a) locomotion b) irritability c) growth d) taxis Identifies the term for an organism’s response to stimuli. 16 / 50 Category: Jamb Biology 2011 16. In mammals, the exchange of nutrients and metabolic products occurs in the a) lungs b) oesophagus c) trachea d) lymph Tests knowledge of organs involved in nutrient exchange. 17 / 50 Category: Jamb Biology 2011 17. An example of an endospermous seed is a) maize grain b) cashew nut c) cotton seed d) bean seed Differentiates endospermous and non-endospermous seeds. 18 / 50 Category: Jamb Biology 2011 18. Which of the above modes of nutrition is correctly matched with the organism that exhibits it? a) Parasitism → Sundew b) Saprophytism → Alga c) Heterotrophism → Agama d) Autotrophism → Amoeba Tests knowledge of different modes of nutrition among organisms. 19 / 50 Category: Jamb Biology 2011 19. In which of the test tubes will glucose be detected after complete hydrolysis? a) I and II only b) II and III only c) I only d) I, II, and III Identifies the conditions for glucose detection post-hydrolysis. 20 / 50 Category: Jamb Biology 2011 20. The enzyme involved in the hydrolysis is a) rennin b) erepsin c) sucrase d) maltase Focuses on identifying enzymes involved in sugar hydrolysis. 21 / 50 Category: Jamb Biology 2011 21. The part of the mammalian ear responsible for the maintenance of balance is the a) cochlea b) pinna c) perilymph d) ossicles Tests understanding of ear anatomy and function. 22 / 50 Category: Jamb Biology 2011 22. The path followed by air as it passes through the lungs in mammals is a) trachea → bronchi → bronchioles → alveoli b) bronchi → trachea → alveoli c) trachea → bronchioles → bronchi d) bronchioles → alveoli → bronchi Focuses on the sequence of air flow through the respiratory system. 23 / 50 Category: Jamb Biology 2011 23. The movement response of a cockroach away from a light source can be described as a) positive phototaxism b) negative phototaxism c) negative phototropism d) positive phototropism Tests understanding of animal behavior in response to stimuli. 24 / 50 Category: Jamb Biology 2011 24. The vascular tissues in higher plants are responsible for a) movement of food & water b) suction pressure c) transpiration pull d) gas and water transport Identifies the functions of vascular tissues in plants. 25 / 50 Category: Jamb Biology 2011 25. Which of the following organs regulates the levels of water, salts, hydrogen ions, and urea in the mammalian blood? a) liver b) kidney c) bladder d) colon Tests knowledge of osmoregulation in mammals. 26 / 50 Category: Jamb Biology 2011 26. The sequence of the one-way gaseous exchange mechanism in a fish is a) operculum → gills → mouth b) gills → operculum → mouth c) mouth → operculum → gills d) mouth → gills → operculum Describes the flow of water and oxygen in fish respiration. 27 / 50 Category: Jamb Biology 2011 27. The type of asexual reproduction that is common to both Paramecium and protists is a) budding b) sporulation c) fragmentation d) fission Identifies reproduction methods common to certain protists. 28 / 50 Category: Jamb Biology 2011 28. In nature, plants and animals are perpetually engaged in mutualism because a) they are rivals b) animals rely on plants c) they use respiratory wastes d) they are neighbors Tests knowledge of ecological relationships. 29 / 50 Category: Jamb Biology 2011 29. The percentage of humus in the soil sample is a) 16.70% b) 17.60% c) 26.70% d) 16.20% Involves calculating soil composition based on given data. 30 / 50 Category: Jamb Biology 2011 30. An example of a filter-feeding animal is a) shark b) butterfly c) whale d) mosquito Identifies animals that use filter-feeding for nutrition. 31 / 50 Category: Jamb Biology 2011 31. Which of the following is a feature of the population pyramid of a developing country? a) long lifespan b) low birth rate c) low death rate d) short lifespan Tests understanding of population dynamics and country development. 32 / 50 Category: Jamb Biology 2011 32. The interaction of a community of organisms with its abiotic environment constitutes a) niche b) food chain c) ecosystem d) microhabitat Defines ecological terms related to community interactions. 33 / 50 Category: Jamb Biology 2011 33. The vector of the malaria parasite is a) female Aedes mosquito b) female Anopheles mosquito c) male Culex mosquito d) female Culex mosquito Identifies the specific vector for malaria. 34 / 50 Category: Jamb Biology 2011 34. Which of the following instruments is used to measure relative humidity? a) hydrometer b) thermometer c) hygrometer d) anemometer Identifies equipment used in measuring environmental humidity. 35 / 50 Category: Jamb Biology 2011 35. Exo-erythrocytic phase of the life cycle of malaria parasite occurs in the a) liver of humans b) reticuloendothelial cells c) Malpighian tubules d) brain of humans Identifies where malaria parasite’s life cycle phase takes place in the host. 36 / 50 Category: Jamb Biology 2011 36. Habitats are generally classified into a) biotic & abiotic b) aquatic & terrestrial c) arboreal & marine d) microhabitats & macrohabitats Tests understanding of habitat classification. 37 / 50 Category: Jamb Biology 2011 37. Dracunculiasis can be contacted through a) contaminated food b) drinking contaminated water c) bathing in contaminated water d) blackfly bites Identifies transmission methods for dracunculiasis. 38 / 50 Category: Jamb Biology 2011 38. Which of the following groups of environmental factors are density-dependent? a) food, salinity, metabolites & light b) temp., salinity, predation, disease c) food, predation, disease, metabolites d) temp., food, disease, light Tests knowledge of environmental factors affecting population density. 39 / 50 Category: Jamb Biology 2011 39. Millet, sorghum, maize, and onions are common crops grown in Nigeria in the a) tropical rainforests b) Sudan savanna c) montane forests d) Sahel savanna Identifies common crops and their regions in Nigeria. 40 / 50 Category: Jamb Biology 2011 40. In which of the following biomes is the southwestern part of Nigeria located? a) temperate forest b) tropical rainforest c) tropical woodland d) desert Identifies the biome location of southwestern Nigeria. 41 / 50 Category: Jamb Biology 2011 41. The inheritable characters determined by a gene located on the X-chromosome is a) recessive b) sex-linked c) homozygous d) dominant Tests understanding of genetic terminology related to X-linked traits. 42 / 50 Category: Jamb Biology 2011 42. Lack of space in a population could lead to an increase in a) water scarcity b) birth rate c) disease rate d) drought Examines causes of population density challenges. 43 / 50 Category: Jamb Biology 2011 43. If the cross of a red-flowered plant with a white-flowered plant produces a pink-flowered plant, it is an example of a) codominance b) incomplete dominance c) mutation d) linkage Tests knowledge of genetic inheritance patterns. 44 / 50 Category: Jamb Biology 2011 44. Which of the following theories was NOT considered by Darwin in his evolutionary theory? a) variation b) survival of the fittest c) use and disuse d) competition Examines Darwin’s evolutionary theories. 45 / 50 Category: Jamb Biology 2011 45. The crossing of individuals of the same species with different genetic characters is a) cross-breeding b) polygenic inheritance c) non-disjunction d) inbreeding Tests understanding of cross-breeding concepts in genetics. 46 / 50 Category: Jamb Biology 2011 46. The number of alleles controlling blood groups in humans a) 3 b) 4 c) 5 d) 2 Tests basic knowledge of genetics, specifically blood type alleles. 47 / 50 Category: Jamb Biology 2011 47. During blood transfusion, agglutination may occur as a result of the reaction between a) contrasting antigens and antibodies b) two different antigens c) two different antibodies d) similar antigens & antibodies Focuses on understanding blood type compatibility. 48 / 50 Category: Jamb Biology 2011 48. The fallacy in Lamarck’s evolutionary theory was the assumption that a) traits are acquired through disuse b) acquired traits are heritable c) acquired traits are seldom formed d) traits acquired through use Tests understanding of the weaknesses in Lamarck’s theory. 49 / 50 Category: Jamb Biology 2011 49. The bright-colored eye spots on the wings of a moth are an example of a) warning coloration b) disruptive coloration c) crypsis d) mimicry Focuses on understanding animal adaptations and mimicry. 50 / 50 Category: Jamb Biology 2011 50. The wings of a bat and those of a bird are examples of a) convergent evolution b) continuous variation c) coevolution d) divergent evolution Tests knowledge of evolutionary patterns. Your score is The average score is 16% LinkedIn Facebook Twitter VKontakte 0% Restart quiz Anonymous feedback Send feedback
