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Biology Past Questions

Study and practice Biology past questions with answers and detailed explanations. Then test your knowledge using our interactive CBT practice platform and prepare confidently for your upcoming examinations.

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Past Questions

5,032 questions

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Question 2071

waec 1991

Kidney stone is a disease of the Kidney that result in the

Ablockage of the tubules by solid particles

Bpassing out useful materials of the body fluid within the urine

Cpresence of large quantity of water in urine

Dpassing out hormones in the urine

Eprevention of urine production

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Question 2072

waec 1991

Which of the following parts of the mammalian skin is directly is directly involved in excretion?

ASebaceous gland

BSweat gland

CHormy layer

DHair follicle

EMalphigian layer

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Question 2073

waec 1991

The upper part of the trachea in mammals is called

Apalate

Bepiglottis

Clarynx

Dglottis

Ebronchus

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Question 2074

waec 1991

The pulmonary vein carries

Aoxygenated blood from right ventricles to the lungs

Boxygenated blood from lungs to the left auricle

Cdeoxygenated blood from the lungs

Doxygenated blood from lungs to the right auricle

Edeoxygenated blood from the right ventricle to the lungs

View Explanation & Discuss

Question 2075

waec 1991

Which of the following tissues is not found in the stem and root of monocotyledons?

AXylem

BCambium

CPith

DCortex

EPericycle

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Question 2076

waec 1991

Muscles are attached to bones by means of

Aligament

Bcartilage

Csynovial membrane

Dtendons

Econnective tissue

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Question 2077

waec 1991

The following are functions of the skeleton except

Aproviding support for the body

Bprotection of delicate internal organs

Cmaintenance of the shape of the body

Dproviding attachment for muscles

Econtrolling growth rate in animals

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Question 2078

waec 1991

The process of anearobic respiration of yeast in sugar solution is known as

Aoxidation

Bfermentation

Ctissue respiration

Dalcohol production

Edecomposition

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Question 2079

waec 1991

Which of the following statement is correct about diffusion?

Ait involves movement of water molecules only

BMolecules move from a region of higher concentration to a region of lower concentration

Cdifferentially permeable membrane must be present for diffusion to occur

DIt involves when a solute can no longer dissolve in a solvent of only solute molecules into the Bowman's capsule

EIt occurs when a solute can no longer dissolve in a solvent

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Question 2080

waec 1991

The mechanism of gaseous exchange in living organisms is essentially by

Aosmosis

Binhalation

Cdiffusion

Dexhalation

Ebreathing

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Question 2081

waec 1991

Spirogyra is regarded as a multicellular plant because

Aits cells are linked together by cytoplasmic strands

Bits cells are joined to form organs

Cthe cylindrical cells are linked end to end

Dthe filaments consist of one cell only

Eit is an algea containing large vacuoles

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Question 2082

waec 1991

The organelle which eliminate water from the body of protozoa is

Aplasma membrane

Bcontractile vacuole

Ccell wall

Dprotoplasm

Enucleus

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Question 2083

waec 1991

The cell is a functional unit of living organisms because

Amulticellular organisms are made up of cells

Ball cells in a multicellular organism function as a single cell

Cthe function of a multicellular organism is the sum total of the functions of its constituent cells

Dthe function of a single cell is superior to that of the multicellular organism

Ethe cells of a multicelullar organism are similar in structure

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Question 2084

jamb 1991

The gland which produces trypsin, amylase and lipase is labeled?

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Question 2085

jamb 1991

In the digestive system, absorption of nutrient into the blood takes place in the part labeled?

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Question 2086

jamb 1991

As the tadpole develops, the structure labelled 5

Agrows longer

Bbecomes shorter

Cbecomes the hind legs

Dremains unchanged

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Question 2087

jamb 1991

The structure labelled 4 is for

Afeeding

Battachment

Cexcretion

Drespiration

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Question 2088

jamb 1991

Nitrogen- fixing micro-organisms in leguminous plants live symbiotically in the

Aroot nodules

Btap root

Cbranch roots

Droot hairs

View Explanation & Discuss

Question 2089

jamb 1991

Fertilizers are lost from the soil through

Asheet erosion and evaporation

Bleaching, underground seepages and run-off

Csheet erosion, gully erosion and wind erosion

Dwind erosion and heavy rainfall

View Explanation & Discuss

Question 2090

jamb 1991

Sources of air pollutants are

Aindustrial chimneys, burning fossil oils and river dam

Bsulphur dioxide, acid rain and pesticides

Csulphur mines, vehicle exhausts and aerosols

Dsewage, smoke and old vehicle

View Explanation & Discuss

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