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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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2,099 questions

Question 1 of 20 2,099 total questions

Question 581

waec 2004

The following insects undergo incomplete metamorphosis except

Atermite

Bcockroach

Cbutterfly

Dlocust

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Question 582

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

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Question 583

waec 2004

The structure labelled VIII in the diagram is responsible for

Avision

Binvoluntary actions

Cspeech

Dvoluntary action

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Question 584

waec 2004

The structure labelled l in the diagram above is the

Acerebellum

Bcerebrum

Colfactory lobe

Dmedulla oblongata

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Question 585

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 586

waec 2004

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

Athyroxine

Binsulin

Csecretin

Dtestosterone

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Question 587

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 588

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

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Question 589

waec 2004

Green plants lose water to the atmosphere through the process of

Arespiration

Bphotosynthesis

Ctranspiration

Dtranslocation

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Question 590

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 591

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 592

waec 2004

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

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Question 593

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 594

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

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Question 595

waec 2004

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

Asacral

Bthoracic

Ccervical

Dlumbar

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Question 596

waec 2004

How many conjugants are involved in sexual reproduction of paramecium

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Question 597

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

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Question 598

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

Question 599

waec 2004

The nucleus controls the activities of the cell because it

Asynthesize hormones

Bis like a brain in the cell

Cuses DNA to synthesize enzymes which are used in cell metabolism

Dsends out nervous impulses to ensure the functioning of the cytoplasm.

View Explanation & Discuss

Question 600

waec 2004

Which two structures are present in a palisade cell but not in a liver cell?

Acell wall and cytoplasm

Bcell wall and chloroplast

Ccell membrane and cytoplasm

Dcell membrane and chloroplast

View Explanation & Discuss

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