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NECO 2002

2002 NECO Biology Past Questions

The 2002 NECO Biology past questions with answers: 43 objective questions from the 2002 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 NECO-style CBT.

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

Questions

  1. 1.

    The hormones produced in the hypothalamus are

    1. A.auxin and somatotropium
    2. B.oxytocin and vasopressin
    3. C.parathormone and progesterone
    4. D.testosterone and insulin
    5. E.thyroxine and nor-adrenalin
    Show answer

    Answer: B. oxytocin and vasopressin

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  2. 2.

    Which part of Euglena performs a similar function to that of the oral groove in paramecium?

    1. A.contractile vacuole
    2. B.ectoplasm
    3. C.endoplasm
    4. D.gullet
    5. E.nucleus
    Show answer

    Answer: D. gullet

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  3. 3.

    Which characteristic in man is NOT inherited?

    1. A.albinism
    2. B.colour blindness
    3. C.haemophilia
    4. D.night blindness
    5. E.sickle cell aneamia
    Show answer

    Answer: D. night blindness

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  4. 4.

    Herbicides are agricultural chemicals that

    1. A.encourage growth of weeds
    2. B.Increase the soil fertility
    3. C.improve disease resistance of crop
    4. D.suppress crop growth
    5. E.suppress weed growth
    Show answer

    Answer: E. suppress weed growth

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  5. 5.

    Which reagent is used to test for the presence of starch in a food substance?

    1. A.anhydrous copper (II) sulphate
    2. B.Fehling’s solution
    3. C.iodine solution
    4. D.iron(III) oxide
    5. E.Million’s reagent
    Show answer

    Answer: C. iodine solution

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  6. 6.

    A pair of genes which controls a trait is described as

    1. A.allele
    2. B.dominant
    3. C.hybrid
    4. D.recessive
    5. E.variant
    Show answer

    Answer: A. allele

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  7. 7.

    The sum total of all the roles an organism plays in a habitat is referred to as its

    1. A.ecology
    2. B.ecosystem
    3. C.habit
    4. D.habitat
    5. E.niche
    Show answer

    Answer: E. niche

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  8. 8.

    An example of an exoskeletal structure is

    1. A.femur
    2. B.scapula
    3. C.shell
    4. D.skull
    5. E.tibia
    Show answer

    Answer: C. shell

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  9. 9.

    Which climatic feature is NOT commonly found in Nigeria?

    1. A.flooding
    2. B.harmattan
    3. C.heat intensity
    4. D.rainfall
    5. E.volcanic eruptions
    Show answer

    Answer: E. volcanic eruptions

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  10. 10.

    The incomplete breakdown of glucose into alcohol, carbon dioxide and energy is referred to as

    1. A.decay
    2. B.digestion
    3. C.fermentation
    4. D.oxidation
    5. E.respiration
    Show answer

    Answer: C. fermentation

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  11. 11.

    Which division is NOT part of the atmosphere?

    1. A.hydrosphere
    2. B.mesosphere
    3. C.stratosphere
    4. D.thermosphere
    5. E.troposphere
    Show answer

    Answer: A. hydrosphere

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  12. 12.

    An example of a disease linked to the sex-chromosome is

    1. A.colour blindness
    2. B.gonorrhea
    3. C.night blindness
    4. D.syphilis
    5. E.tuberculosis
    Show answer

    Answer: A. colour blindness

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  13. 13.

    Which statement is NOT true of both meiosis and mitosis?

    1. A.aligning of chromosomes at equator
    2. B.disintegration of nuclear material
    3. C.formation of spindle apparatus
    4. D.halving the number of chromosomes
    5. E.thickening and shortening of chromosomes
    Show answer

    Answer: D. halving the number of chromosomes

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  14. 14.

    What can be used to collect soil animals?

    1. A.Insect net
    2. B.plankton net
    3. C.pooter
    4. D.quadrat
    5. E.Tullgren funnel
    Show answer

    Answer: E. Tullgren funnel

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  15. 15.

    Oxygenated blood from the lungs is carried to the left atrium of the heart through the

    1. A.portal vein
    2. B.pulmonary artery
    3. C.pulmonary vein
    4. D.renal artery
    5. E.superior vena cava
    Show answer

    Answer: C. pulmonary vein

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  16. 16.

    What is NOT a supporting tissue in plant?

    1. A.collenchymas
    2. B.coracoid
    3. C.parenchyma
    4. D.sclerenchyma
    5. E.xylem
    Show answer

    Answer: B. coracoid

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  17. 17.

    Which statement about how all life started is NOT true according to current thinking on evolutionary trends?

    1. A.animals to plant life
    2. B.aquatic to terrestrial forms
    3. C.non-specialization to specialization in functions
    4. D.simple to complex forms
    5. E.unicellularity to multicellularity
    Show answer

    Answer: A. animals to plant life

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  18. 18.

    An inflorescence is a

    1. A.group of flowers borne on the same stalk
    2. B.group of flowers born on different stalks
    3. C.flower pollinated by wind
    4. D.many flowers on the same plant
    5. E.plants which have both male and female reproductive organs
    Show answer

    Answer: A. group of flowers borne on the same stalk

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  19. 19.

    Which is NOT a living thing?

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

    Answer: E. virus

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  20. 20.

    Iron is mainly required by plants for_________formation.

    1. A.Chlorophyll
    2. B.glucose
    3. C.protein
    4. D.nuclear
    5. E.nucleproteins
    Show answer

    Answer: A. Chlorophyll

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  21. 21.

    Which process best explains the raising upward and outward of the ribs during breathing?

    1. A.aerobic respiration
    2. B.anaerobic respiration
    3. C.exhalation
    4. D.inhalation
    5. E.internal respiration
    Show answer

    Answer: D. inhalation

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  22. 22.

    The number of daughter cells formed at the end of mitosis is

    1. A.2
    2. B.3
    3. C.4
    4. D.5
    5. E.6
    Show answer

    Answer: A. 2

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  23. 23.

    Which is NOT a viral disease?

    1. A.chicken pox
    2. B.common cold
    3. C.measles
    4. D.poliomyelitis
    5. E.tuberculosis
    Show answer

    Answer: E. tuberculosis

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  24. 24.

    The autonomic nervous system comprises of the

    1. A.brain and spinal cord
    2. B.brain and nerves
    3. C.dendrite and axon
    4. D.spinal cord and neuron
    5. E.sympathetic and parasympathetic systems
    Show answer

    Answer: E. sympathetic and parasympathetic systems

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  25. 25.

    Which is NOT an example of bacteria?

    1. A.bacilli
    2. B.cocci
    3. C.diplococci
    4. D.spirilli
    5. E.sporangia
    Show answer

    Answer: E. sporangia

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  26. 26.

    Which excretory product is NOT found in mammals?

    1. A.ammonia
    2. B.carbon dioxide
    3. C.mineral salts
    4. D.urea
    5. E.water
    Show answer

    Answer: A. ammonia

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  27. 27.

    What is NOT characteristic of fresh water habitats?

    1. A.high osmotic concentration
    2. B.low oxygen concentration
    3. C.they are flooded during the rainy season
    4. D.temperature changes daily
    5. E.they have limited size-and depth
    Show answer

    Answer: A. high osmotic concentration

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  28. 28.

    The pro-condition for transfusion of blood to an accident victim is

    1. A.assess the level of blood lost
    2. B.boil the blood before transfusion
    3. C.cross-match the victims and donor blood groups
    4. D.mix the blood to be donated with sulphur
    5. E.remove the remaining blood from the accident victim before transfusing the blood
    Show answer

    Answer: C. cross-match the victims and donor blood groups

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  29. 29.

    Which process will NOT release carbon dioxide into the atmosphere?

    1. A.Burning
    2. B.exhalation
    3. C.photosynthesis
    4. D.putrefaction
    5. E.respiration
    Show answer

    Answer: C. photosynthesis

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  30. 30.

    The remains impressions of animals and plants preserved in rocks are referred to as

    1. A.crusts
    2. B.fossils
    3. C.honeycomb
    4. D.plaques
    5. E.residues
    Show answer

    Answer: B. fossils

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  31. 31.

    The interaction between members of the same population over scarce resources is called

    1. A.behavioural adaptation
    2. B.inter-specific competition
    3. C.intra-specific competition
    4. D.morphological variation
    5. E.structural adaptation
    Show answer

    Answer: C. intra-specific competition

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  32. 32.

    The result of placing a plant cell in a hypertonic solution for a long time is ________of the cell.

    1. A.crenation
    2. B.flaccidity
    3. C.haemolysis
    4. D.turgidity
    5. E.vasodilation
    Show answer

    Answer: B. flaccidity

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  33. 33.

    In the nucleus of a cell, the thread-like structure in which genes are embedded is

    1. A.centriole
    2. B.chromosomes
    3. C.cytoplasm
    4. D.somatic cell
    5. E.spindles
    Show answer

    Answer: B. chromosomes

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  34. 34.

    A group of interacting populations in a particular habitat can be described as

    1. A.biome
    2. B.biosphere
    3. C.community
    4. D.ecosystem
    5. E.environment
    Show answer

    Answer: C. community

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  35. 35.

    Mammals are said to be homoiothermic because their body temperature is

    1. A.always higher than that of their environment
    2. B.always lower than that of their environment
    3. C.always the same as that of their environment
    4. D.relatively constant irrespective of that of their environment
    5. E.remains at 37 o c all the time
    Show answer

    Answer: D. relatively constant irrespective of that of their environment

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  36. 36.

    Use the data to answer this question A class of 40 set out to determine the population of lizards in a bound field measuring 200 metres by 100 metres using the capture-recapture method. In their first outing, the students captured a total of 360 lizards all of which were marked with indelible ink and then released back into the field. After a one week interval the students went back into the field and caught a total of 250 lizards out of which 150 bore the indelible ink mark. The population density of the lizards in the field is?

    1. A.0.003 per m 2
    2. B.0.03 per m 2
    3. C.3 per m 2
    4. D.4 per m 2
    5. E.6 per m 2
    Show answer

    Answer: B. 0.03 per m 2

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  37. 37.

    Bacteria which derive energy for food synthesis by oxidizing certain inorganic compounds are said to be

    1. A.chemosynthetic
    2. B.heterotrophic
    3. C.parasitic
    4. D.photosynthetic
    5. E.saprophylic
    Show answer

    Answer: A. chemosynthetic

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  38. 38.

    Which organelle is responsible for photosynthesis?

    1. A.cell wall
    2. B.chloroplast
    3. C.cell membrane
    4. D.nucleus
    5. E.ribosomes
    Show answer

    Answer: B. chloroplast

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  39. 39.

    Use the data to answer this question A class of 40 set out to determine the population of lizards in a bound field measuring 200 metres by 100 metres using the capture-recapture method. In their first outing, the students captured a total of 360 lizards all of which were marked with indelible ink and then released back into the field. After a one week interval the students went back into the field and caught a total of 250 lizards out of which 150 bore the indelible ink mark. What is the estimated population of lizards in the field?

    1. A.100
    2. B.300
    3. C.400
    4. D.560
    5. E.600
    Show answer

    Answer: E. 600

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  40. 40.

    Which process does NOT represent a form of reproduction in plants?

    1. A.binary fission
    2. B.budding
    3. C.conjugation
    4. D.regeneration
    5. E.vegetative propagation
    Show answer

    Answer: D. regeneration

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  41. 41.

    In genetics, test cross is used to

    1. A.confirm the number of offspring in F1
    2. B.confirm the number of gametes present in parents
    3. C.test for heterozygosity
    4. D.test for X and Y chromosomes
    5. E.test for the phenotypic ratio
    Show answer

    Answer: C. test for heterozygosity

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  42. 42.

    Which organism is a primary producer?

    1. A.Cassava
    2. B.cricket
    3. C.grasshopper
    4. D.hawk
    5. E.lizard
    Show answer

    Answer: A. Cassava

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  43. 43.

    Thick succulent stems and leaves are an adaptation for conservation of water

    1. A.prevention of heat stroke
    2. B.protection
    3. C.reproduction
    4. D.sun tanning
    Show answer

    Answer: D. sun tanning

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