JAMB UTME Biology Prep Test 1 Hi Welcome, you are about to start JAMB UTME Biology Prep Test 1 on September 17, 2024 below are some instructions to get you started: This quiz is time-based, and you should assume you are in exam hall while taking the test. You can use the Chat button to make a complaint of any error during the test. Results will be displayed at the end of the test. Kindly press the START EXAM button to start. Make sure to SUBMIT AND LOGOUT when you are done. Results are displayed instantly after the test. Best of luck, from A. A. Badmus Educonsults Name Email 1. Biology Which of the following food chains is in the correct sequence? Tadpoles→Beetles→ Weeds → Man→Fish Weeds→Tadpoles→Fish→ Beetles→Man Man→ Fish→Beetles → Tadpoles →Weeds Fish →Beetles→ Weeds → Man →Tadpoles Weeds → Tadpoles→ Beetles→ Fish → Man None 2. Biology In a mammal, stimulus is transferred from the receptor muscle to the central nervous system through the sensory neurons effector muscles motor neurons synapses dendrites None 3. Biology 28g soil sample was heated to a constant weight of 24g. when further heated to red hot and cooled, it weighed 18g. what is the percentage of humus in the soil? 35.7 55.6 22.2 75.0 25.0 None 4. Biology A samara differs from a cypsela by having an extended pericarp some hairy outgrowths on the pericarp a pericarp fused with the seed coat a hard pericarp None 5. Biology The rate of transpiration of a leafy shoot would be highest under dry, warm, moving air damp, warm, moving air dry, cold, moving air dry warm, still air damp, cold, still air None 6. Biology One significant difference between roots and stem is that stems are positively geotropic while roots are negatively geotropic stems are always above the ground while roots are always below the ground stems are sometimes used for storage while roots and never so used stems grow in both length and circumference while roots grow only in length branch roots originate in the pericycle while branch stems do not None 7. Biology When a color blind man marries a carrier woman. What is the probability of their offspring being color blind? 50% 100% 25% 75% None 8. Biology The lymphatic system of mammals rejoins the blood circulatory system at the subclavian vein common iliac vein renal vein hepatic vein None 9. Biology The correct increasing order of size for the cell components responsible for heredity is chromosome→nucleus→DNA → gene DNA→gene→nucleus→chromosome DNA→gene→chromosome→nucleus chromosome →DNA→nucleous→gene None 10. Biology Fossil records found in sedimentary rocks offer some explanation for the theory of evolution because most animal and plant fossils bear little resemblance to present day living specimens. the deposits have remains of organisms characteristic of when they were formed different strata have remains of organisms of the same kind only organisms with strong parts are fossilized None 11. Biology Which of the following statements on the mammalian circulatory system is NOT true? The blood in the hepatic portal vein is the richest in food substances Blood in the pulmonary artery is richer in oxygen content than blood in the pulmonary vein Blood flow is controlled by valves in the veins Fibrin helps in the formation of blood clot. Arteries are generally thicker and larger than veins None 12. Biology Tissue respiration is important for the absorption of oxygen into the alveoli exhalation of carbon(IV) oxide from the lungs release of energy for the body use release of carbon(IV) oxide into the lungs None 13. Biology The following events take place during conjugation in Spirogyra 1. The protoplasm in each of the conjugating cells separate from the cell wall to form a gamete; the gamete of one filament passes through the conjugation tube to meet the gamete of the other filament 2. The zygote soon become surrounded by a thick brown wall to become zygospore which bursts after a short rest and germinates to produce a new filament 3. The nuclei of the gametes fuse to form a zygote. 4. The protuberances meet and where they touch the cell-wall disappears so that a conjugation tube joining the two cells is formed 5. Protuberances appear on the walls of cells of two filaments of Spirogyra lying side by side opposite one another. Now, what is the correct sequence in which the above events occur? 1,2,3,4,5 5,4,1,3,2 1,2,4,5,3 5,4,3,1,2 3,4,5,2,1 None 14. Biology The pineapple fruit is best described as multiple, succulent and dehiscent aggregate, succulent and indehiscent aggregate, succulent and dehiscent multiple, succulent and indehiscent None 15. Biology The annulus of fern sporangium helps in A. spore dispersal B. conduction of mineral salts C. trapping of light energy D. water retention. trapping of light energy spore dispersal conduction of mineral salts water retention. None 16. Biology The blood circulatory system of vertebrates consists of: heart, arteries, capillaries and veins heart, aorta, arteries, veins heart, vena cava, arteries and veins heart, aorta, capillaries and veins B. C.D. None 17. Biology Which of the following sequences represents the process of blood clothing? 1. Fibrin forms a network of threads 2. Red blood cells are caught and a clot is formed 3. Fibrinogen in plasma changes into soluble fibrin 4. Blood is exposed to air 4, 3, 2, 1 4, 3, 1, 2 3, 1, 4, 2 3, 1, 2, 4 1, 2, 3, 4 None 18. Biology A pyramid of numbers can be defined as an arrangement of organisms according to their habitats the number of plants and animals in a population the numerical relationships of a food chain the number of plants and animals in an ecosystem the total number of species and general in a community None 19. Biology A fresh kolanut weighing 1g was put into salt solution. After 3 hours, the kolanut weighed 1.2g. This simple experiment demonstrates that kolanut cells can multiply in water. the salt solution is more concentrated that the cell sap of the kolanut the salt solution has the same concentration as the cell sap of the kolanut the cell sap of the kolanut is more concentrated than the salt solution the kolanut lost some water molecules to the salt solutions None 20. Biology The tips of some rice seedlings were cut off while some were left intact. Both were covered with a container which had only one small hole to allow light through. After twenty-four hours it was observed that the cut tips bent towards source of light the intact tips bent away from the light the intact tips bent towards light. the cut tips bent away from light None 21. Biology Identical twins are produced under one of the following conditions: Two ova fertilized at the same time by two sperms Two ova fertilized by one sperm One ovum fertilized twins formed shortly before birth One ovum fertilized, divides to give two embryos One ovum fertilized by two sperms None 22. Biology In a phototropic experiment, young seedlings in a box were subjected to light from one direction. The seedlings continued to grow erect. Which of the following statements is correct? Only the tips of the seedlings received light The box containing the seedlings should have been placed on a laboratory bench The light was not strong enough The tips of the seedlings were rather been covered The seedlings were rather too young None 23. Biology The path taken by glucose from the ileum to the heart is ileum→hepatic portal artery→ hepatic arter→ vena cava→heart ileum→hepatic vein→vena cava→ heart ileum→hepatic portal vein→ hepatic artery→vena cava →heart ileum →hepatic portal vein → vena cava → heart ileum→hepatic portal vein→ heaptic vein vena cava →heart None 24. Biology Which of the following structures is adapted for feeding in a bird of prey? Hooked beak an sharp claws Pointed beak and strong claws Smooth beak and strong claws Big beaks and strong feet None 25. Biology In the kidney, the malpighian corpuscle is located in the medulla cortex pelvis hilum None 26. Biology Examples of organisms in which extracellular digestion occurs are rhizopus, housefly and hydra roundworm, tapeworm and hydra fungus, Ioranthus and housefly rhizopus, sponges and earthworm None 27. Biology Malaria symptoms are caused by the development of merozoites into gametocytes. the invasion of the red blood cells by the trophozoites toxins released into the blood as a result of the destruction or red blood cells the multiplication of the malaria sporozoites in the liver None 28. Biology Alkaline pyrogallol was used in an experiment. That experiment must have been connected with photosynthesis germination digestion transpiration excretion None 29. Biology The three blood vessels that supply the mammalian alimentary canals are coeliac artery, anterior artery and coeliac artery hepatic artery, anterior mesenteric artery and posterior mesenteric artery hepatic portal vein, anterior mesenteric artery and posterior mesenteric artery Segmented artery, hepatic artery and coeliac artery B. coeliac artery, anterior artery and coeliac artery coeliac artery, segmental artery and hepatic artery. None 30. Biology A yellow maize is planted and all the fruit obtained are of yellow seeds. When they are cross-bred, yellow seeds and white seeds are obtained in the ratio 3:1. The yellow seeds is said to be Sex linked Non heritable Dominant trait Recessive trait None 31. Biology The algae, bryophytes and pteridophytes are similar in that they are sea weeds are microscopic plants require moisture for fertilization have no vascular tissues None 32. Biology Which of the following groups of cells is devoid of true nuclei? Algae Monera Viruses Fungi None 33. Biology When the original king and queen of termites die, they are replaced by Some adult reproductive from the same colony some adult workers which are specially fed to breed the king and queen of another colony none of the options developing nymphs nurtured as secondary reproductive. None 34. Biology The absence of anti-diuretic hormone in humans results in ___ drastic dehydration eliminating dehydration decreasing dehydration increasing dehydration None 35. Biology The parts used by the tapeworm to fasten itself to the host's intestine are rostellum and suckers rostellum, hook and suckers neck and suckers hook and suckers young proglottis and neck None 36. Biology If you cross-breed a tall variety (Tt) of maize with a short variety (tt), the ratio of tall to short plants in the offspring will be 1:1 1:2 1:3 2:1 None 37. Biology The parts of the mammalian eye that strongly bend light rays are the cornea and aqueous humour cornea and vitreous humour lens and vitreous humour lens and aqueous humour cornea and lens None 38. Biology The type of interaction shown in the diagram is referred to as cooperation intraspecific intraspecific interspecific competition mutualism None 39. Biology In animals, cilia, flagella, pseudopodia, and chaetae, can be used for attachment to plants locomotion reproduction fighting enemies None 40. Biology The significance of a very large number of termites involved in nuptial swarming is to ensure that every individual gets a mate provide birds with plenty of f ood search for a favourable place to breed ensure their perpetuation despite predatory pressure None 41. Biology Which of the following correctly summarizes the life cycle of a fern plant? Spore→prothallus→thallus→sporangium Male and female gametangia→zygospore→sporangium→spores Spore→thallus→spermatozoa+ovum → sporangium Prothallus→spermatozoid→+ egg cell → leafy plant → sporangium →spore. None 42. Biology Water fleas, wood lice and barnacles belong to group Crustacean Chilopoda Insect Arachnida None 43. Biology The correct sequence of tissues in the anatomy of a young dicotyledonous stem from the inside to the outside is pith, xylem, cambium, phloem, xylem, cambium, cortex, endodermis, collenchyma and epidermis xylem, phloem, cambium, cortex, parenchyma, collenchyma and epidermis pith, phloem, cambium, xylem parenchyma, collenchyma and epidermis xylem, phloem, cambium, cortex, endodermis, collenchyma and epidermis None 44. Biology Viruses are considered to be living organisms because they possess transmittable characters respond to stimulation ingest food materials. move from one place to another None 45. Biology In the root vascular system, the stele is directly surrounded by the _______ cortex pericycle parenchyma endodermis None 46. Biology The F1 of a cross between a tall and a dwarf plant was tall. The F1 was advanced to F2. How many of 120 F2 plants will be dwarf? 90 120 30 60 None 47. Biology Which of the following is NOT true of wind-pollinated flowers? Small inconspicuous flowers Large amount of pollen produced Scented petals Light smooth pollen grains Large pendulous anthers None 48. Biology The structural adaptation of desert plants for water conservation is broad leaves with numerous stomata prominent stomata in leaves spiny leaves spongy mesophyll none is correct None 49. Biology Banana, plantain and pineapple can be grouped together because they have bulbils produce small seeds have runners are multiple fruits produce suckers None 50. Biology Which of the following is true of the children of a haemophilic man who marries a woman that is not haemophilic and does not carry the trait? all their daughters will be haemophilic All their sons will be haemophilic B. all their daughters will be haemophilic All their daughters will be carriers All their sons will be carriers. None Well-done. You just finished the JAMB UTME Biology Prep Test 1 and your results will be shown soon. A copy is also delivered to your email within 5mins. 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