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JAMB 2024 · Part 2 of 2

2024 JAMB Biology Past Questions — Part 2

The 2024 JAMB Biology past questions with answers: 117 objective questions from the 2024 paper in the DeeepSolve question bank, each with its answer behind "Show answer". This is part 2 of 2: questions 60 to 117. Try each question before you check, then practise the paper as a timed JAMB-style CBT.

Past questions © the examination body (JAMB/WAEC/NECO). DeeepSolve is not affiliated with them. Rights holders: see /copyright.

Questions 60–117

  1. 60.

    Loamy soil is characterized by

    1. A.low humus and high porosity
    2. B.high humus and high porosity
    3. C.moderate humus and low porosity
    4. D.high humus and moderate porosity
    Show answer

    Answer: D. high humus and moderate porosity

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  2. 61.

    Bilateral symmetry,cylindrical bodies and double openings are characteristic features of

    1. A.nematodes
    2. B.hydra
    3. C.protozoa
    4. D.protists
    Show answer

    Answer: A. nematodes

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  3. 62.

    Body temperature, thirst and hunger are regulated by

    1. A.thalamus
    2. B.hypothalamus
    3. C.medulla oblongata
    4. D.spinal cord
    Show answer

    Answer: B. hypothalamus

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  4. 63.

    A common component of blood and lymph is

    1. A.fats
    2. B.plasma
    3. C.red blood cell
    4. D.white blood cell
    Show answer

    Answer: D. white blood cell

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  5. 64.

    Which of the following plants shows hypogeal germination?

    1. A.castor oil
    2. B.groundnut
    3. C.maize
    4. D.orange
    Show answer

    Answer: C. maize

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  6. 65.

    The cone in the retina of eye is an example of

    1. A.cell
    2. B.tissue
    3. C.organ
    4. D.system
    Show answer

    Answer: A. cell

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  7. 66.

    The chemical and physical composition of soil is an example of

    1. A.climatic factor
    2. B.topographic factor
    3. C.Edaphic factor
    4. D.chemical factor
    Show answer

    Answer: C. Edaphic factor

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  8. 67.

    An instrument used for measuring the intensity of light

    1. A.thermometer
    2. B.photometer
    3. C.anemometer
    4. D.hygrometer
    Show answer

    Answer: B. photometer

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  9. 68.

    Infectious diseases are caused by

    1. A.bacteria
    2. B.protists
    3. C.Amoeba
    4. D.protozoa
    Show answer

    Answer: A. bacteria

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  10. 69.

    One of the ways of controlling Schistosomiasis is by

    1. A.destroying water snails and water weeds
    2. B.clearing the bushes around the house
    3. C.washing hands after using the toilet
    4. D.properly washing fruits before eating them
    Show answer

    Answer: A. destroying water snails and water weeds

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  11. 70.

    The depressed side of paramecium which is lined with cilia leads to a tube-like structure called

    1. A.anal pore
    2. B.oral groove
    3. C.gullet
    4. D.food vacuole
    Show answer

    Answer: C. gullet

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  12. 71.

    Which of the following is a viral disease?

    1. A.Syphilis
    2. B.Measles
    3. C.Cholera
    4. D.Typhoid
    Show answer

    Answer: B. Measles

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  13. 72.This question needs a diagram, table or passage that we don't have yet, so it isn't shown.

  14. 73.

    The number of vertebrae in the human vertebral column is

    1. A.30
    2. B.33
    3. C.38
    4. D.39
    Show answer

    Answer: B. 33

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  15. 74.

    Which of these is a respiratory organ in mammals?

    1. A.skin
    2. B.mouth
    3. C.heart
    4. D.lungs
    Show answer

    Answer: D. lungs

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  16. 75.

    The cells responsible for transmitting messages to the effectors are

    1. A.motor neurons
    2. B.sensory neurons
    3. C.hair cells
    4. D.relay neurons
    Show answer

    Answer: A. motor neurons

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  17. 76.

    Pentadactyl forelimb of vertebrate function due to differences in environment is

    1. A.comparative anatomy
    2. B.physiological evidence
    3. C.embryological evidence
    4. D.fossil records
    Show answer

    Answer: A. comparative anatomy

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  18. 77.

    Which of the following processes takes place in the carbon cycle?

    1. A.evaporation
    2. B.nitrification
    3. C.combustion
    4. D.transpiration
    Show answer

    Answer: C. combustion

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  19. 78.

    The part of the kidney where the selective reabsorption takes place is

    1. A.glomerulus
    2. B.Bowman's capsule
    3. C.Henle's loop
    4. D.urethra
    Show answer

    Answer: C. Henle's loop

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  20. 79.

    A form of adaptive colouration that helps animals to remain unnoticed is

    1. A.hibernation
    2. B.aestivation
    3. C.countershading
    4. D.migration
    Show answer

    Answer: C. countershading

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  21. 80.This question needs a diagram, table or passage that we don't have yet, so it isn't shown.

  22. 81.

    If the F1 generation allows for self-pollination, what will be the genotypic ratio of the offspring?

    1. A.1 : 2 : 1
    2. B.2 : 2
    3. C.3 : 1
    4. D.2 : 1 : 1
    Show answer

    Answer: A. 1 : 2 : 1

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  23. 82.

    The causative agent of tuberculosis is

    1. A.virus
    2. B.bacteria
    3. C.protozoa
    4. D.fungi
    Show answer

    Answer: B. bacteria

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  24. 83.

    The total number of ATP produced during glycolysis is

    1. A.3 molecules
    2. B.2 molecules
    3. C.4 molecules
    4. D.6 molecules
    Show answer

    Answer: C. 4 molecules

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  25. 84.

    A succession that occurs in an area where there are no pre-existing community is called

    1. A.tertiary succession
    2. B.primary succession
    3. C.post-primary succession
    4. D.secondary succession
    Show answer

    Answer: B. primary succession

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  26. 85.

    Comparative anatomy to study evidence for evolution depends on

    1. A.four fingered
    2. B.three fingered
    3. C.two fingered
    4. D.five fingered
    Show answer

    Answer: D. five fingered

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  27. 86.

    The component that serves as major buffer in blood is

    1. A.plasma
    2. B.erythrocytes
    3. C.leucocytes
    4. D.lymph
    Show answer

    Answer: A. plasma

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  28. 87.

    Which of the following structures enables the exchange of gases in insects?

    1. A.skin
    2. B.tracheae
    3. C.Malpighian tubules
    4. D.flame cell
    Show answer

    Answer: B. tracheae

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  29. 88.

    The resemblance of an organism to another organism as means of enhancing it's chances of survival in its habitat is known as

    1. A.counter shading
    2. B.protective colouration
    3. C.mimicry
    4. D.warning
    Show answer

    Answer: C. mimicry

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  30. 89.

    Production of healthier offspring, viable seeds and formation of new varieties are good characteristics

    1. A.self pollination
    2. B.cross pollination
    3. C.wind pollination
    4. D.insect pollination
    Show answer

    Answer: B. cross pollination

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  31. 90.

    The main excretory product of earthworm is

    1. A.ammonia
    2. B.carbon dioxide
    3. C.urea
    4. D.uric acid
    Show answer

    Answer: C. urea

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  32. 91.This question needs a diagram, table or passage that we don't have yet, so it isn't shown.

  33. 92.

    The web-feet of frogs and toads is basically for

    1. A.leaping
    2. B.walking
    3. C.swimming
    4. D.mating
    Show answer

    Answer: C. swimming

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  34. 93.

    One of the characteristics of secondary succession is that it

    1. A.starts on a bare surface
    2. B.takes longer time to reach climax
    3. C.starts on already colonized surface
    4. D.starts with low organism
    Show answer

    Answer: C. starts on already colonized surface

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  35. 94.

    The organisms that adopt swarming as an adaptation to overcome overcrowding are

    1. A.Agama lizard
    2. B.tilapia
    3. C.rats
    4. D.termites
    Show answer

    Answer: D. termites

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  36. 95.

    In plants, the main excretory product produced during metabolism is

    1. A.oxygen
    2. B.alkaloids
    3. C.carbon(iv)oxide
    4. D.mucilage
    Show answer

    Answer: A. oxygen

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  37. 96.This question needs a diagram, table or passage that we don't have yet, so it isn't shown.

  38. 97.

    The abiotic factor that affect the population growth of an organism is

    1. A.predator
    2. B.rainfall
    3. C.food shortage
    4. D.disease
    Show answer

    Answer: B. rainfall

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  39. 98.

    Which of these pair of substances must be present for a seed to germinate in a laboratory set-up?

    1. A.microbes and water
    2. B.heat and water
    3. C.soil and manure
    4. D.heat and microbe
    Show answer

    Answer: B. heat and water

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  40. 99.

    Gaseous exchange takes place through the plasma membrane in

    1. A.hydra
    2. B.paramecium
    3. C.flatworm
    4. D.earthworm
    Show answer

    Answer: B. paramecium

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  41. 100.

    The urinary tubules opens into a proximal convoluted tubule coils to form distal by making a

    1. A.Z- shaped loop
    2. B.L- shaped loop
    3. C.U- shaped loop
    4. D.I- shaped loop
    Show answer

    Answer: C. U- shaped loop

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  42. 101.

    The formation of cilia and flagella in living cells is carried out with the help of

    1. A.ribosome
    2. B.lysosome
    3. C.centriole
    4. D.plastid
    Show answer

    Answer: C. centriole

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  43. 102.

    One of the following is an example of discontinuous variation

    1. A.shape of the head
    2. B.blood group
    3. C.body complexion
    4. D.pointed nose
    Show answer

    Answer: B. blood group

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  44. 103.

    The part of the flower that develops into seed is

    1. A.ovule
    2. B.pedicel
    3. C.petal
    4. D.style
    Show answer

    Answer: A. ovule

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  45. 104.

    A photosynthetic carnivorous plant which feeds on insects is

    1. A.parasitic
    2. B.saprophytic
    3. C.herbivorous
    4. D.insectivorous
    Show answer

    Answer: D. insectivorous

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  46. 105.This question needs a diagram, table or passage that we don't have yet, so it isn't shown.

  47. 106.

    The food nutrient with the highest energy value is

    1. A.protein
    2. B.carbohydrate
    3. C.lipid
    4. D.minerals
    Show answer

    Answer: C. lipid

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  48. 107.

    Iron is an essential nutrient in plants because it

    1. A.aids in the formation of chlorophyll and proteins
    2. B.helps in cell division
    3. C.protects the plants from pest attack
    4. D.fastens fruits maturation
    Show answer

    Answer: A. aids in the formation of chlorophyll and proteins

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  49. 108.This question needs a diagram, table or passage that we don't have yet, so it isn't shown.

  50. 109.

    Inbreeding is highly discouraged in humans because it may

    1. A.increase the death rate of new born
    2. B.lead to the birth of dwarfs
    3. C.lead to high rate of competition among offspring
    4. D.lead to outbreak of hereditary diseases
    Show answer

    Answer: D. lead to outbreak of hereditary diseases

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  51. 110.

    An example of organism that exhibits counter-shading to escape from its predator is

    1. A.grasshopper
    2. B.toad
    3. C.fish
    4. D.chameleon
    Show answer

    Answer: C. fish

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  52. 111.

    In blood transfusion, a patient with group AB receives

    1. A.Group A, B, AB
    2. B.Group O, A, B
    3. C.Group O, B, AB
    4. D.Group O, A, B, AB
    Show answer

    Answer: D. Group O, A, B, AB

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  53. 112.

    The oxygen transported to all parts of the body during blood circulation is used for the

    1. A.growth and development of cells
    2. B.removal of waste products
    3. C.release of energy from food
    4. D.formation of carboxyl haemoglobin
    Show answer

    Answer: C. release of energy from food

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  54. 113.

    Which of the Nigeria states is Northern guinea savanna located?

    1. A.Borno
    2. B.Kano
    3. C.Oyo
    4. D.Kwara
    Show answer

    Answer: B. Kano

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  55. 114.

    A trait that is always expressed during crossing of hereditary characteristics is

    1. A.recessive trait
    2. B.dominant trait
    3. C.homozygous trait
    4. D.heterozygous trait
    Show answer

    Answer: B. dominant trait

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  56. 115.

    Which of the following factors can lead to overcrowding?

    1. A.Emigration
    2. B.Competition
    3. C.High natality
    4. D.High mortality
    Show answer

    Answer: C. High natality

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  57. 116.

    The schlerenchyma tissues consist of

    1. A.dead cell
    2. B.living cell
    3. C.tracheid cell
    4. D.meristematic cell
    Show answer

    Answer: A. dead cell

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  58. 117.

    Which of the following processes releases oxygen to the atmosphere?

    1. A.Respiration
    2. B.Combustion
    3. C.Decomposition
    4. D.photosynthesis
    Show answer

    Answer: D. photosynthesis

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