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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.

2,099 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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Past Questions

2,099 questions

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Question 951

waec 1991

Over-secretion of thyroxin is likely to lead to

Athinness in body

Bsluggishness

Ccretinism in infant

Dreduced metabolism

Edwarfism

View Explanation & Discuss

Question 952

waec 1991

Growing radicles of seddlings are

Anegatively phototropic

Bpositively phototropic

Cnegatively geotropic

Dnegatively hydrotropic

Epositively phototactic

View Explanation & Discuss

Question 953

waec 1991

The pituitary is regarded as the master gland because

Ait is locatd in the brain

Bits secretion are the most numerous

Cits secretion control other endocrine glands

Dit is the biggest endocrine gland

Eit controls the activities of the brain

View Explanation & Discuss

Question 954

waec 1991

Infective hepatitis is a disease of the

Aheart

Bkidney

Cliver

Dstomach

Epancreas

View Explanation & Discuss

Question 955

waec 1991

The following are the activities of the liver except

Aproduction of heat

Bmanufacture of bile

Cdetoxication of alcohol and drugs

Dmaintenance of osmotic balance

Edeamination of excess nitrogenous substance

View Explanation & Discuss

Question 956

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

View Explanation & Discuss

Question 957

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

View Explanation & Discuss

Question 958

waec 1991

The upper part of the trachea in mammals is called

Apalate

Bepiglottis

Clarynx

Dglottis

Ebronchus

View Explanation & Discuss

Question 959

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 960

waec 1991

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

AXylem

BCambium

CPith

DCortex

EPericycle

View Explanation & Discuss

Question 961

waec 1991

Muscles are attached to bones by means of

Aligament

Bcartilage

Csynovial membrane

Dtendons

Econnective tissue

View Explanation & Discuss

Question 962

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

View Explanation & Discuss

Question 963

waec 1991

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

Aoxidation

Bfermentation

Ctissue respiration

Dalcohol production

Edecomposition

View Explanation & Discuss

Question 964

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

View Explanation & Discuss

Question 965

waec 1991

The mechanism of gaseous exchange in living organisms is essentially by

Aosmosis

Binhalation

Cdiffusion

Dexhalation

Ebreathing

View Explanation & Discuss

Question 966

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

View Explanation & Discuss

Question 967

waec 1991

The organelle which eliminate water from the body of protozoa is

Aplasma membrane

Bcontractile vacuole

Ccell wall

Dprotoplasm

Enucleus

View Explanation & Discuss

Question 968

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

View Explanation & Discuss

Question 969

waec 1990

Which of the following statements is not associated with the theory of natural selection?

AThere is a struggle for existence

BThere is competition among the offsprings

CThe weaker offsprings are eliminated

DFood and other needs are abundant

ENature selects those that survive to reproduce their kind

View Explanation & Discuss

Question 970

waec 1990

What is the significance of the bee dance to other bees?

AWarning signal

BPresence of food

CMating signal by the male

DSoaring the enemies away

ETime for nuptial flight

View Explanation & Discuss

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