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Biology Past Questions

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Past Questions

5,032 questions

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Question 1311

waec 2004

Which of the following groups contains only macro-nutrients?

Aphosphorus, nitrogen and molybdenum

Bmanganese, copper and zinc

Cboron, sulphur and iron

Dcalcium, magnesium and potassium

View Explanation & Discuss

Question 1312

waec 2004

The process by which fruits develop without fertilization is called

Aparthenocarpy

Bpathology

Chermaphroditism

Dlayering

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Question 1313

waec 2004

The following insects undergo incomplete metamorphosis except

Atermite

Bcockroach

Cbutterfly

Dlocust

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Question 1314

waec 2004

Which of the following occurs when a person looks at a distant, dim object and then looks
at a much closer, bright object? In each eye, the pupil becomes

Alarger, while the lens becomes thicker

Blarger, while the lens becomes thinner

Csmaller, while the lens becomes thicker

Dsmaller while the lens becomes thinner

View Explanation & Discuss

Question 1315

waec 2004

The structure labelled VIII in the diagram is responsible for

Avision

Binvoluntary actions

Cspeech

Dvoluntary action

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Question 1316

waec 2004

The structure labelled l in the diagram above is the

Acerebellum

Bcerebrum

Colfactory lobe

Dmedulla oblongata

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Question 1317

waec 2004

Which of the following structures occupies the neural canal of the vertebral column?

Acerebellum

Bhypothalamus

Cmedulla oblongata

Dspinal cord

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Question 1318

waec 2004

Which hormonal deficiency is likely to cause an accumulation of reducing sugar in the urine?

Athyroxine

Binsulin

Csecretin

Dtestosterone

View Explanation & Discuss

Question 1319

waec 2004

A urine sample of a patient, tested with Benedict/Fehling solution, gave an orange colored precipitate,
indicating the presence of

Aglucose

Bsucrose

Clactose

Dmaltose

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Question 1320

waec 2004

The body temperature of a mammal has to be maintained at a fairly constant level because

Aexcessive heat is continually lost by the body to the environment

Btheir body temperature is always higher than that of the environment

Cevaporation of sweat cools the body

Dmetabolic activities function best at certain temperature

View Explanation & Discuss

Question 1321

waec 2004

Green plants lose water to the atmosphere through the process of

Arespiration

Bphotosynthesis

Ctranspiration

Dtranslocation

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Question 1322

waec 2004

The products of respiration are

Anitrogen and water

Bnitrogen and carbon dioxide

Cwater and oxygen

Dcarbon dioxide and water

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Question 1323

waec 2004

The hepatic portal vein is often heavily loaded with food-nutrients because it carries blood

Adirectly from the heart

Bfrom the liver to the heart

Cfrom the small intestine to the liver

Dfrom the liver to join the posterior vena cava

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Question 1324

waec 2004

Excessive bleeding from an injury may be due to lack of vitamin

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Question 1325

waec 2004

The xylem elements perform the function of transport but they also help to support plants because they

Aare internally located

Bare tubular

Chave rigid thick walls

Dconstantly absorb water

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Question 1326

waec 2004

The axial skeleton is made up of the following

Askull, vertebral column, rib cage and sternum

Blimbs and limb girdles

Clumbar and thoracic vertebrae

Dvertebral column and lumbar vertebrae

View Explanation & Discuss

Question 1327

waec 2004

Which of the following groups of vertebrae have two branches at the end of their transverse processes?

Asacral

Bthoracic

Ccervical

Dlumbar

View Explanation & Discuss

Question 1328

waec 2004

How many conjugants are involved in sexual reproduction of paramecium

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Question 1329

waec 2004

When a person’s urine contains a high concentration of urea, it could be the result of

Aa drop in body temperature

Bhaving diabetes mellitus

Ceating a meal rich in protein

Ddrinking a large amount of water

View Explanation & Discuss

Question 1330

waec 2004

The process by which a drop of ink spreads uniformly in a beaker of water is called

Aabsorption

Bosmosis

Cplasmolysis

Ddiffusion

View Explanation & Discuss

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