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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.

2,572 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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Past Questions

2,572 questions

Question 1 of 20 2,572 total questions

Question 1071

jamb 1986

Gestation in mammals is the period

Arequired for growth after birth

Bbetween the formation of the foetus and birth

Cof development from zygote to birth

Dbefore the formation of the zygote

View Explanation & Discuss

Question 1072

jamb 1986

Nastic movement is

Aresponse to light stimulus

Bnon-directional

Cdirectional

Dresponse to internal stimulus

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Question 1073

jamb 1986

Two main distinguishing features of the cervical vertebra are the presence of

Ashort neural spine and vertebraterial canal

Bprozygapophysis and cervical ribs

Clarge centrum and cervical ribs

Dvertebraterial canal and large centrum

View Explanation & Discuss

Question 1074

jamb 1986

In the mammalian skin, melanin and keratin are contained in the

Asebaceous gland

Bsweat gland

Csubcubaneous layer

Dmalpighian layer

View Explanation & Discuss

Question 1075

jamb 1986

Deamination occurs in the

Akidney

Bpancreas

Cspleen

Dliver

View Explanation & Discuss

Question 1076

jamb 1986

If a person is bitten by a snake on the leg, it is advisable for him to

Akeep moving so that the venom will ooze out with bleeding

BWash the wound with water containing antiseptic

Cbandage the wound so that germs do not get in through it

DKeep still and apply a tourniquet above the wound

View Explanation & Discuss

Question 1077

jamb 1986

The equation that can be used to summarize the process of anaerobic breakdown of sugar is

AC₂H₁₂O₆ 2C₂H₅OH + 2CO₂

B6Co₂ + 6H₂O C₆H₁₂O₆ + 6O₂

CC₆H₁₂O₆ + 6O₂ 6CO₂ + 6H₂O + enegy

DC₆H₁₂O₆ 2C₂H₅OH + 2CO₂ + energy

View Explanation & Discuss

Question 1078

jamb 1986

Which of the following statement is NOT correct with respect to inhalation in mammals? The

Aintercostal muscles contract

Bdiaphragm is raised

Cribs are raised

DPressure of the thoracic cavity decreases

View Explanation & Discuss

Question 1079

jamb 1986

A major limitation in the use of the potometer for measuring the rate of transpiration is that

Ait is made of breakable glass materials

Bit measures the rate of water intake

Cit measure the rate of water loss throuh the stern only

Dthe movement of the air buble in the potometer cannot be timed accurately

View Explanation & Discuss

Question 1080

jamb 1986

The aperture between the left auricle and the left ventricle is guarded by the

Aauricles valve

Btricupid valve

Cventricles valve

Dbicuspid valve

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Question 1081

jamb 1986

Which is the correct order of water loss from the leaf? 1 Mesophyll 2 Veins 3 Substomatals cavity 4 Stomata

A3 → 2 → 1 → 4

B2 → 3 → 1 → 4

C2 → 1 → 3 → 4

D1 → 2 → 3 → 4

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Question 1082

jamb 1986

Blood circulation in a mammalian is said to be double because

Ait passes twice through the heart in a complete circuit

Bit moves in both arteries and veins

Cit circulates in both the heart and other organs

Dthe heart contain auricles and ventricles

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Question 1083

jamb 1986

Evidence that a tooth is a living part of the mammalian can be found within the

Agum

Bpulp cavity

Ccement

Denarmel

View Explanation & Discuss

Question 1084

jamb 1986

The three important organs that are situated close to the stomach are

AKidney, liver and gall bladder

Bpancreas, liver and kidney

Cliver, kidney and spleen

Dgall bladder, pancreas and spleen

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Question 1085

jamb 1986

The extract from food substance reacting with sodium hydroxide and copper sulphate solutions will produce violet to purple coloration if

Afats are presents

Bcarbohydrate is present

Cprotein is present

Dreducing sugar is presents

View Explanation & Discuss

Question 1086

jamb 1986

In addition to the high calories derived from fats and oils, they are

Aused in producing new cells

Bnecessary for enzyme formation

Cused as insulators for cold

Drequired for growth

View Explanation & Discuss

Question 1087

jamb 1986

The severe deficiency of vitamin C leads to

AKwashiokor

Bberiberi

Cpellagra

Dscurvy

View Explanation & Discuss

Question 1088

jamb 1986

Which of the following elements is essential for the formation of haemoglobin?

ASodium

BPotassium

CCalcium

DIron

View Explanation & Discuss

Question 1089

jamb 1986

The main organic substances found in the human body are

Acarbohydrates, proteins and salts

Bsalts, fats and proteins

Cfat, carbohydrates and protein

Dsalts, fats and carbohydrates

View Explanation & Discuss

Question 1090

jamb 1986

Which of these is a trace element?

AIron

BCopper

CCalcium

DSulphur

View Explanation & Discuss

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