Biology Past Questions v4 For JAMB/WAEC/NECO Students; These Biology questions are for students who are sitting for the following examinations:

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• NECO GCE
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• NABTEB GCE

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#1. The lime water in container C turned milky because Options

A) Carbon dioxide was produced by plant during respiration

A) Carbon dioxide was produced by plant during respiration

B) Carbon dioxide entered through the filter pump

B) Carbon dioxide entered through the filter pump

C) Oxygen reacts with lime water to produce milkiness

C) Oxygen reacts with lime water to produce milkiness

D) Soda lime did not remove carbon dioxide from the air

D) Soda lime did not remove carbon dioxide from the air

E) The delivery tubes were not well connected

E) The delivery tubes were not well connected

#2. In the figure above the structure which prevents friction between the bones is Options

A) 1

A) 1

B) 2

B) 2

C) 3

C) 3

D) 4

D) 4

E) 5

E) 5

#3. Why is the part labelled 5 thicker than 6? Options

A) 5 is the left ventricle and 6 the right ventricle

A) 5 is the left ventricle and 6 the right ventricle

B) 6 is the left ventricle and 5 the right ventricle

B) 6 is the left ventricle and 5 the right ventricle

C) 5 receives blood from the left auricle and 6 from the right

C) 5 receives blood from the left auricle and 6 from the right

D) 5 pumps blood round the body and 6 pumps blood into the lungs

D) 5 pumps blood round the body and 6 pumps blood into the lungs

E) 5 deals with oxygenated blood and 6 deals with deoxygenated blood

E) 5 deals with oxygenated blood and 6 deals with deoxygenated blood

#4. Which of the labelled parts is the venga caval opening? Options

A) 1

A) 1

B) 2

B) 2

C) 3

C) 3

D) 4

D) 4

E) 5

E) 5

#5. The testa Options

A) is normally absent

A) is normally absent

B) is included in the part numbered (1)

B) is included in the part numbered (1)

C) is fused in the part numbered (3)

C) is fused in the part numbered (3)

D) is the part numbered (1)

D) is the part numbered (1)

E) surrounds the part numbered (4) and (5)

E) surrounds the part numbered (4) and (5)

#6. Reserved food materials is Options

A) stored in the parts numbered 2 and 3

A) stored in the parts numbered 2 and 3

B) stored in the part numbered 3 only

B) stored in the part numbered 3 only

C) stored in the part numbered 4 and 5

C) stored in the part numbered 4 and 5

D) not concentrated in any particular part

D) not concentrated in any particular part

E) found in all except 1

E) found in all except 1

#7. Below are some group of diseases. Which group of diseases is caused by bacteria? Options

A) Tuberculosis, smallpox

A) Tuberculosis, smallpox

B) Gonorrhoea, measles

B) Gonorrhoea, measles

C) Tuberculosis, polio

C) Tuberculosis, polio

D) Sleeping sickness, measles

D) Sleeping sickness, measles

E) Syphilis, gonorrhoea

E) Syphilis, gonorrhoea

#8. A mosquito which produces eggs which float, and whose larvae lie horizontal to the water surface, also rests at the angle on a vertical surface. This type of mosquito is Options

A) Aedes

A) Aedes

B) Anopheles

B) Anopheles

C) Culex

C) Culex

D) Tiger mosquito

D) Tiger mosquito

E) none of the above

E) none of the above

#9. The amount of water loss from a leaf can be detected using Options

A) lime-water

A) lime-water

B) red litmus paper

B) red litmus paper

C) blue litmus paper

C) blue litmus paper

D) blue cobalt chloride paper

D) blue cobalt chloride paper

E) pink cobalt chloride paper

E) pink cobalt chloride paper

#10. In animals, cilia, flagella, pseudopodia and chaetae, can be used for Options

A) reproduction

A) reproduction

B) fighting

B) fighting

C) attachment to plants

C) attachment to plants

D) locomotion

D) locomotion

E) locating sensation

E) locating sensation

#11. If a baby is a female, her mother's ovum must have been fertilized by a sperm carry the chromosome Options

A) X

A) X

B) XY

B) XY

C) XX

C) XX

D) YY

D) YY

E) Y

E) Y

#12. Leguminous plants, e.g Mucana, are usually planted in cultivated farmlands because they Options

A) enrich the soil with phoshates

A) enrich the soil with phoshates

B) provide animals with food

B) provide animals with food

C) enrich the soil with organic nitrogen

C) enrich the soil with organic nitrogen

D) protect the soil from being over-heated

D) protect the soil from being over-heated

E) protect the micro organisms in the soil

E) protect the micro organisms in the soil

#13. During thunderstorms the energy of lightning discharge causes Options

A) oxygen and nitrogen to combine

A) oxygen and nitrogen to combine

B) more carbon dioxide to be formed

B) more carbon dioxide to be formed

C) nitrites to be converted to nitrates

C) nitrites to be converted to nitrates

D) nitrates to be converted to nitrogen

D) nitrates to be converted to nitrogen

E) death

E) death

#14. A few grams of dried soil were first heated until red hot and then further heated until no more smoke was released. This experiment was to determine Options

A) amount of water in soil

A) amount of water in soil

B) percentage of water in soil

B) percentage of water in soil

C) presence of humus in soil

C) presence of humus in soil

D) resistance of laterities to heat

D) resistance of laterities to heat

E) release of smoke from the soil

E) release of smoke from the soil

#15. Oxygen from the atmosphere reaches the mammalian blood stream through one of the path indicated below. Indicate the correct path, a = mouth, b = trachea, c = bronchiole, d = nostril, e = bronchus, f = alveoli Options

A) a → b → e → f → d

A) a → b → e → f → d

B) b → d → f → e → c

B) b → d → f → e → c

C) d → b → e → c → f

C) d → b → e → c → f

D) b → a → f → e → c

D) b → a → f → e → c

E) f → e → c → d → c

E) f → e → c → d → c

#16. The center which controls respiratory activities the mammalian brain is the Options

A) cerebrum

A) cerebrum

B) olfactory lobe

B) olfactory lobe

C) pituitary organ

C) pituitary organ

D) cerebellum

D) cerebellum

E) medulla

E) medulla

#17. A student trying to find out the order in which organisms appear on a cleared plot is studying one of the following Options

A) Ecosystem

A) Ecosystem

B) Food chain

B) Food chain

C) Food web

C) Food web

D) Succession

D) Succession

E) Community

E) Community

#18. An organism X lives entirely on the waste products in another organism Y. In this association X is a Options

A) symbiont

A) symbiont

B) commensal

B) commensal

C) saprophyte

C) saprophyte

D) parasite

D) parasite

E) epiphyte

E) epiphyte

#19. The tips of some rice seedlings were cut off while some were left intact. Both were covered with a container which had not only one small hole to allow light through. After twenty-four hours it was observed that Options

A) the cut tips was bent away from the light

A) the cut tips was bent away from the light

B) the cut tips bent towards source of light

B) the cut tips bent towards source of light

C) the intact tips bent away from the light

C) the intact tips bent away from the light

D) the intact tips bent towards the light

D) the intact tips bent towards the light

E) both tips bent away from light

E) both tips bent away from light

#20. if three 30 cm lengths of glass tubes are tightly packed with clay, sand and loamy soils respectively and then stood in a beaker of water for one week, the level of water will be Options

A) lowest in the tube with clay

A) lowest in the tube with clay

B) the same in all tubes

B) the same in all tubes

C) lowest in the tube with loamy soil

C) lowest in the tube with loamy soil

D) highest in the tube with sandy soil

D) highest in the tube with sandy soil

E) lowest in the tube with sandy soil

E) lowest in the tube with sandy soil

#21. The filament of spirogyra were put into equal volumes of sugar solutions X and Y. After 5 minutes, filaments from solution X had their cells contents rounded up while those from Y were unaffected. The experiment shows that Options

A) solution X was stronger than Y

A) solution X was stronger than Y

B) solution Y was stronger than X

B) solution Y was stronger than X

C) Spirogyra used up the sugar in solution X

C) Spirogyra used up the sugar in solution X

D) solution X is good for stimulating sexual reproduction in Spirogyra

D) solution X is good for stimulating sexual reproduction in Spirogyra

E) solution Y was less contaminated than X

E) solution Y was less contaminated than X

#22. which part of the human brain is concerned with reflexes controlling the rate of heart beat and breathing? Options

A) Medulla

A) Medulla

B) Cerebrum

B) Cerebrum

C) Cerebellum

C) Cerebellum

D) Pineal body

D) Pineal body

E) Olfactory lobe

E) Olfactory lobe

#23. Which of the following hormones is produced during fright or when agitated? Options

A) Insulin

A) Insulin

B) Adrenalin

B) Adrenalin

C) Thyroxine

C) Thyroxine

D) Pituitrin

D) Pituitrin

E) Progesterone

E) Progesterone

#24. The following are connected with the movement of a reflex action (1) Central nervous (2) Muscles (3) Skin (4) Sensory nerve (5) Motor nerve. Which of the following sequences indicates a correct path? Options

A) 1-2-3-4-5

A) 1-2-3-4-5

B) 2-1-4-5-3

B) 2-1-4-5-3

C) 3-4-1-2-5

C) 3-4-1-2-5

D) 4-1-5-2-3

D) 4-1-5-2-3

E) 3-4-1-5-2

E) 3-4-1-5-2

#25. Biconcave lenses are used in the correction of an eye defect called? Options

A) myopia

A) myopia

B) colour blindnes

B) colour blindnes

C) old age

C) old age

D) hypermetropia

D) hypermetropia

E) weakening of ciliary muscles

E) weakening of ciliary muscles

#26. A green plant growing in a compost pit is feeding Options

A) holozoically

A) holozoically

B) parasitically

B) parasitically

C) saprophytically

C) saprophytically

D) holophytically

D) holophytically

E) in none of the above ways

E) in none of the above ways

#27. The part of the cell solely responsible for respiration is the Options

A) nucleus

A) nucleus

B) nucleolus

B) nucleolus

C) mitochondria

C) mitochondria

D) golgi apparatus

D) golgi apparatus

E) endoplasmic reticulum

E) endoplasmic reticulum

#28. In anaerobic respiration, glucose is converted to one of the following Options

A) Carbon dioxide and water

A) Carbon dioxide and water

B) Carbon dioxide only

B) Carbon dioxide only

C) Carbon dioxide and alcohol

C) Carbon dioxide and alcohol

D) Alcohol and water

D) Alcohol and water

E) water and acetic acid

E) water and acetic acid

#29. During excretion of urea there is also a corresponding re-absorption of water into the blood. This re-absorption takes place in the Options

A) uriniferous tubules

A) uriniferous tubules

B) Bowman's capsule

B) Bowman's capsule

C) glomerulus

C) glomerulus

D) malpighian capsule

D) malpighian capsule

E) renal artery

E) renal artery

#30. If the bark and phloem tissue of a woody shoot are peeled off by ringing, the whole plant will die eventually die because? Options

A) water does not reach the leaves

A) water does not reach the leaves

B) water and salts remained below the ring portion

B) water and salts remained below the ring portion

C) there is a withdrawal of water from the root by soil

C) there is a withdrawal of water from the root by soil

D) manufactured food does not reach the roots

D) manufactured food does not reach the roots

E) the roots store too much water

E) the roots store too much water

#31. Which of the following food substances is digested in the stomach? Options

A) Carbohydrate

A) Carbohydrate

B) Fats and oil

B) Fats and oil

C) Fats and proteins

C) Fats and proteins

D) Proteins

D) Proteins

E) Carbohydrates and fats

E) Carbohydrates and fats

#32. The conversion of excess amino acids into urea occurs in the Options

A) Kidney

A) Kidney

B) pancreas

B) pancreas

C) villi

C) villi

D) liver

D) liver

E) spleen

E) spleen

#33. For pollination and fruit formation, the essential part(s) of the flower should be the Options

A) corolla

A) corolla

B) ovary

B) ovary

C) pistil (gynoecium)

C) pistil (gynoecium)

D) ovules

D) ovules

E) receptacle

E) receptacle

#34. Which one of the following parts of the mammalian body is most closely associated with the production of urine? Options

A) Malpighian capsule

A) Malpighian capsule

B) Urinary bladder

B) Urinary bladder

C) Ureter

C) Ureter

D) Vas deferens

D) Vas deferens

E) Urethra

E) Urethra

#35. A potometer is used to determine the rate at which a shoot Options

A) respires

A) respires

B) sucks air bubbles

B) sucks air bubbles

C) loses weight

C) loses weight

D) absorbs water

D) absorbs water

E) transpires

E) transpires

#36. The organ through which food and oxygen are supplied to the human embryo and which also prevents harmful materials from reaching the embryo is the Options

A) amnion

A) amnion

B) uterus

B) uterus

C) placenta

C) placenta

D) umbilical cord

D) umbilical cord

E) fallopian tube

E) fallopian tube

#37. A true fruit is formed from Options

A) a fertilized ovary and other floral parts

A) a fertilized ovary and other floral parts

B) a fertilized ovary

B) a fertilized ovary

C) a fertilized ovary and calyx

C) a fertilized ovary and calyx

D) a fertilized ovary and fleshy receptacle

D) a fertilized ovary and fleshy receptacle

E) an unfertilized ovary and other floral part

E) an unfertilized ovary and other floral part

#38. Water is required for seed germination to take place because it Options

A) activates the enzymes

A) activates the enzymes

B) softens the testa

B) softens the testa

C) liberates energy for growth

C) liberates energy for growth

D) permits radicle growth

D) permits radicle growth

E) allow oxygen to diffuse into the seed

E) allow oxygen to diffuse into the seed

#39. A fresh Kolanut weighing 1g was put into salt solution. After 3 hour, the kolanut weighed 1.2g. This simple experiment demonstration that Options

A) the salt solution is more concentrated that the cell sap of the kolanut

A) the salt solution is more concentrated that the cell sap of the kolanut

B) the cell sap of the kolanut is more concentrated than the salt solution

B) the cell sap of the kolanut is more concentrated than the salt solution

C) the salt solution has the same concentration as the cell sap of the kolanut

C) the salt solution has the same concentration as the cell sap of the kolanut

D) kolanut cell can multiply in water

D) kolanut cell can multiply in water

E) the kolanut lost some water molecules to the salt solution

E) the kolanut lost some water molecules to the salt solution

#40. The joint between the atlas and axis vertebrae allows for Options

A) rotatory movement only

A) rotatory movement only

B) up and down or nodding movements only

B) up and down or nodding movements only

C) rotatory and nodding movements

C) rotatory and nodding movements

D) no movement at all

D) no movement at all

E) slight movement

E) slight movement

#41. Which one of the following animals is NEVER a secondary host of tapeworms? Options

A) cow

A) cow

B) Fish

B) Fish

C) Pig

C) Pig

D) Man

D) Man

E) Dog

E) Dog

#42. Some of the features of an animal are scales, teeth, nares and backbone. The animal is likely to be a Options

A) Toad

A) Toad

B) Bird

B) Bird

C) Lizard

C) Lizard

D) Rat

D) Rat

E) Bat

E) Bat

Finish

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