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JAMB 2013

2013 JAMB Biology Past Questions

The 2013 JAMB Biology past questions with answers: 49 objective questions from the 2013 paper in the DeeepSolve question bank, each with its answer behind "Show answer". 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

  1. 1.

    Which blood cell are involved in the immune response of vertebrates?

    1. A.Phagoecytes
    2. B.lymphocytes
    3. C.erythrocytes
    4. D.monocytes
    Show answer

    Answer: B. lymphocytes

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  2. 2.

    The chitin in the exoskeleton of many arthropods is strengthened by

    1. A.lids
    2. B.proteins
    3. C.calcium compounds
    4. D.organic salt
    Show answer

    Answer: C. calcium compounds

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  3. 3.

    Which of the following is caused by Treponema palladium?

    1. A.Gonorrhea
    2. B.Leprosy
    3. C.Tuberculosis
    4. D.Syphilis
    Show answer

    Answer: D. Syphilis

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  4. 4.

    During the manufacture of food by plants, which of the following organism use energy from the sun?

    1. A.anabaena
    2. B.sulfur bacteria
    3. C.nitrosomonas sp
    4. D.nitrobacter sp
    Show answer

    Answer: A. anabaena

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  5. 5.

    The part of the mammalian skin involved in excretion is the

    1. A.sweat glands
    2. B.malpighian layer
    3. C.sebaceous gland
    4. D.horny layer
    Show answer

    Answer: A. sweat glands

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  6. 6.

    Which of the following structure is adapted for feeding in a bird of prey?

    1. A.Hooked break and sharp claws
    2. B.Smooth beak and strong claws
    3. C.Big beaks and strong feet
    4. D.Pointed beak and strong claws
    Show answer

    Answer: A. Hooked break and sharp claws

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  7. 7.

    The process of transforming the chemical energy of cellular fuels into the high energy bonds of ATP in plants is

    1. A.autotrophism
    2. B.photosysnthesis
    3. C.photolysis
    4. D.respiration
    Show answer

    Answer: D. respiration

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  8. 8.

    The eye defect cause by the development of cloudy areas in the lenses is?

    1. A.presbyopia
    2. B.glaucoma
    3. C.cataract
    4. D.astigmatism
    Show answer

    Answer: C. cataract

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  9. 9.

    Plants that have special devices for trapping and digesting insects are

    1. A.carnivorous
    2. B.symbiotic
    3. C.parasitic
    4. D.saprophytic
    Show answer

    Answer: A. carnivorous

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  10. 10.

    The most important plant hormone is

    1. A.cytokinin
    2. B.abscisic acid
    3. C.auxin
    4. D.gibberellin
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    Answer: C. auxin

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  11. 11.

    The long and sharp clawed feet of birds is an adaptation for

    1. A.crushing seeds
    2. B.scooping mud
    3. C.tearing flesh
    4. D.grasping prey
    Show answer

    Answer: D. grasping prey

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  12. 12.

    One of adaptation of Cactus opuntia to conserve water is the reduction of

    1. A.internodes
    2. B.stem to leaves
    3. C.leaves to spine
    4. D.flower size
    Show answer

    Answer: C. leaves to spine

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  13. 13.

    The process in which complex substances are broken down into simpler ones is referred to as

    1. A.anabolism
    2. B.catabolism
    3. C.metabolism
    4. D.tropism
    Show answer

    Answer: B. catabolism

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  14. 14.

    The solid part of the ecosystem is referred to as the

    1. A.atmosphere
    2. B.hydrosphere
    3. C.biosphere
    4. D.lithosphere
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    Answer: D. lithosphere

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  15. 15.

    Fungi are referred to as hetotrophs because they

    1. A.are filamentous
    2. B.lack chlorophyll
    3. C.have mycelium
    4. D.lack roots
    Show answer

    Answer: B. lack chlorophyll

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  16. 16.

    The plants that grow in deserts or very dry areas are referred to as

    1. A.mesophytes
    2. B.hydrophytes
    3. C.epiphytes
    4. D.xerophytes
    Show answer

    Answer: D. xerophytes

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  17. 17.

    Physiological adaptation to very dry conditions in animals demonstrates

    1. A.rejuvenation
    2. B.xeromorphism
    3. C.hibernation
    4. D.aestivation
    Show answer

    Answer: D. aestivation

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  18. 18.

    The male reproductive organ of a flower is the

    1. A.carpel
    2. B.stamen
    3. C.petal
    4. D.sepal
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    Answer: B. stamen

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

  20. 20.

    The enzyme that is present in the saliva is

    1. A.rennin
    2. B.lipase
    3. C.pepsin
    4. D.ptyalin
    Show answer

    Answer: D. ptyalin

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  21. 21.

    The special pigment for colour change in chameleon is

    1. A.melanin
    2. B.carotenoid
    3. C.chromatin
    4. D.chromatophore
    Show answer

    Answer: D. chromatophore

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  22. 22.

    Taenia solium can be found in

    1. A.cow
    2. B.goat
    3. C.dog
    4. D.pig
    Show answer

    Answer: D. pig

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  23. 23.

    Proboscis is a structure that is mostly found in

    1. A.insects
    2. B.tapeworms
    3. C.amphibians
    4. D.molluses
    Show answer

    Answer: A. insects

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  24. 24.

    To which blood group do universal recipients belong?

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

    Answer: D. AB

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  25. 25.

    The transfer of pollen grains from the anther to a sigma is

    1. A.propagation
    2. B.placentation
    3. C.pollination
    4. D.fertilization
    Show answer

    Answer: C. pollination

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  26. 26.

    The absence of anti-diuretic hormone in humans results in

    1. A.decreasing dehydration
    2. B.drastic dehydration
    3. C.eliminating dehydration
    4. D.increasing dehydration
    Show answer

    Answer: B. drastic dehydration

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  27. 27.

    Oestrogen is a hormone that is synthesized in the

    1. A.ovaries
    2. B.testes
    3. C.anterior pituitary
    4. D.adrenal cortex
    Show answer

    Answer: A. ovaries

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  28. 28.

    The clumping together of red blood cells is

    1. A.agglutination
    2. B.fussion
    3. C.transfusion
    4. D.compatibility
    Show answer

    Answer: A. agglutination

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  29. 29.

    Which of the following is the simplest living organism?

    1. A.Paramecium
    2. B.Virus
    3. C.Amoeba
    4. D.Chlamydomonas
    Show answer

    Answer: C. Amoeba

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  30. 30.

    The sensory cell that responds to dim light is referred to as the

    1. A.cone
    2. B.lens
    3. C.rod
    4. D.iris
    Show answer

    Answer: C. rod

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  31. 31.

    Which of the following is a waste product of an insect?

    1. A.Alkaloids
    2. B.Uric acid
    3. C.Sweat
    4. D.Mucilage
    Show answer

    Answer: B. Uric acid

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  32. 32.

    Which of the following describes a characteristic of arthropods?

    1. A.The organism finds it easy to grow freely
    2. B.the organism has a pair of jointed appendages
    3. C.the body is not divided into a number of segments seg
    4. D.the body is covered by chitin
    Show answer

    Answer: D. the body is covered by chitin

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  33. 33.

    The structural adaptation of desert plants for water conservation is

    1. A.broad leaves with numerous stomata
    2. B.spongy mesophyll
    3. C.spiny leaves
    4. D.prominent stomata in leaves
    Show answer

    Answer: C. spiny leaves

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  34. 34.

    An example of a parasitic protozoan is

    1. A.Paramecium
    2. B.Plasmodium
    3. C.Eughlena
    4. D.Chlamydomonas
    Show answer

    Answer: B. Plasmodium

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  35. 35.

    The organelles present in cells that are actively respiring and photosynthesizing are

    1. A.lysosomes and ribosomes
    2. B.Golgi apparatus and endoplasmic reticulum
    3. C.nucleus and centrioles
    4. D.mitrochondria and chloroplast
    Show answer

    Answer: D. mitrochondria and chloroplast

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  36. 36.

    Which of the following forms about 55% of the volume of the blood in man?

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

    Answer: C. plasma

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  37. 37.

    The behavioural adaptation in social insects could best be described as

    1. A.symbiosis
    2. B.saprophytism
    3. C.parasitism
    4. D.commensalisms
    Show answer

    Answer: A. symbiosis

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  38. 38.

    The organ which is sensitive to light in Euglena is the

    1. A.gullet
    2. B.flagellum
    3. C.chloroplast
    4. D.eyespot
    Show answer

    Answer: D. eyespot

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  39. 39.

    Which of the following distinguishes a butterfly from a moth?

    1. A.the wings of butterfly rest horizontally but those of moth rest vertically
    2. B.Both are active during the day
    3. C.they have similar antennae
    4. D.the abdomen of moth is fatter than that of butterfly
    Show answer

    Answer: D. the abdomen of moth is fatter than that of butterfly

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  40. 40.

    Movement of minerals and chemical compounds with a plant occurs during

    1. A.osmosis
    2. B.translocation
    3. C.transpiration
    4. D.diffusion
    Show answer

    Answer: B. translocation

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  41. 41.

    A plant tissue that carries water and mineral salts is the

    1. A.cambium
    2. B.xylem
    3. C.cortex
    4. D.phloem
    Show answer

    Answer: B. xylem

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  42. 42.

    Which of the following types of feathers is used for flight in birds?

    1. A.Quill
    2. B.Filoplume
    3. C.covert
    4. D.Down
    Show answer

    Answer: A. Quill

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  43. 43.

    The main structure in vertebrates that supports and protects the body is the

    1. A.skeleton
    2. B.ligament
    3. C.muscle
    4. D.joint
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    Answer: A. skeleton

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  44. 44.

    The blood circulatory system of vertebrates consists of

    1. A.heart, arteries, capillaries and veins
    2. B.heart, aorta, capillaries and veins
    3. C.heart, aorta, arteries and veins
    4. D.heart, vena cava, arteries, and veins
    Show answer

    Answer: A. heart, arteries, capillaries and veins

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  45. 45.

    Which of the following helps in the clotting of blood?

    1. A.Red blood cells
    2. B.White blood cells
    3. C.Plasma
    4. D.Platelets
    Show answer

    Answer: D. Platelets

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  46. 46.

    The organism is found in soils rich in

    1. A.mud
    2. B.humus
    3. C.clay
    4. D.sand
    Show answer

    Answer: C. clay

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  47. 47.

    A tropical disease caused by Trypanosoma is

    1. A.sleeping sickness
    2. B.river blindness
    3. C.yellow fever
    4. D.malaria
    Show answer

    Answer: A. sleeping sickness

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  48. 48.

    A pollutant that is biodegradable is

    1. A.crude oil
    2. B.heavy metals
    3. C.cellophane
    4. D.sewage
    Show answer

    Answer: D. sewage

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  49. 49.

    The gland that is found just below the hypothalamus is the

    1. A.parathyroid
    2. B.adrenal
    3. C.pituitary
    4. D.thyroid
    Show answer

    Answer: C. pituitary

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