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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 1221

jamb 1980

The tips of some rice seedlings were cut off while some were left intact. Both were covered with a container which had not only one small hole to allow light through. After twenty-four hours it was observed that

Athe cut tips was bent away from the light

Bthe cut tips bent towards source of light

Cthe intact tips bent away from the light

Dthe intact tips bent towards the light

Eboth tips bent away from light

View Explanation & Discuss

Question 1222

jamb 1980

An organism X lives entirely on the waste products in another organism Y. In this association X is a

Asymbiont

Bcommensal

Csaprophyte

Dparasite

Eepiphyte

View Explanation & Discuss

Question 1223

jamb 1980

A student trying to find out the order in which organisms appear on a cleared plot is studying one of the following

AEcosystem

BFood chain

CFood web

DSuccession

ECommunity

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Question 1224

jamb 1980

The center which controls respiratory activities the mammalian brain is the

Acerebrum

Bolfactory lobe

Cpituitary organ

Dcerebellum

Emedulla

View Explanation & Discuss

Question 1225

jamb 1980

Biconcave lenses are used in the correction of an eye defect called?

Amyopia

Bcolour blindnes

Cold age

Dhypermetropia

Eweakening of ciliary muscles

View Explanation & Discuss

Question 1226

jamb 1980

The following are connected with the movement of a reflex action (1) Central nervous (2) Muscles (3) Skin (4) Sensory nerve (5) Motor nerve. Which of the following sequences indicates a correct path?

A1-2-3-4-5

B2-1-4-5-3

C3-4-1-2-5

D4-1-5-2-3

E3-4-1-5-2

View Explanation & Discuss

Question 1227

jamb 1980

Which of the following hormones is produced during fright or when agitated?

AInsulin

BAdrenalin

CThyroxine

DPituitrin

EProgesterone

View Explanation & Discuss

Question 1228

jamb 1980

which part of the human brain is concerned with reflexes controlling the rate of heart beat and breathing?

AMedulla

BCerebrum

CCerebellum

DPineal body

EOlfactory lobe

View Explanation & Discuss

Question 1229

jamb 1980

The filament of spirogyra were put into equal volumes of sugar solutions X and Y. After 5 minutes, filaments from solution X had their cells contents rounded up while those from Y were unaffected. The experiment shows that

Asolution X was stronger than Y

Bsolution Y was stronger than X

CSpirogyra used up the sugar in solution X

Dsolution X is good for stimulating sexual reproduction in Spirogyra

Esolution Y was less contaminated than X

View Explanation & Discuss

Question 1230

jamb 1980

If the bark and phloem tissue of a woody shoot are peeled off by ringing, the whole plant will die eventually die because?

Awater does not reach the leaves

Bwater and salts remained below the ring portion

Cthere is a withdrawal of water from the root by soil

Dmanufactured food does not reach the roots

Ethe roots store too much water

View Explanation & Discuss

Question 1231

jamb 1980

During excretion of urea there is also a corresponding re-absorption of water into the blood. This re-absorption takes place in the

Auriniferous tubules

BBowman's capsule

Cglomerulus

Dmalpighian capsule

Erenal artery

View Explanation & Discuss

Question 1232

jamb 1980

In anaerobic respiration, glucose is converted to one of the following

ACarbon dioxide and water

BCarbon dioxide only

CCarbon dioxide and alcohol

DAlcohol and water

Ewater and acetic acid

View Explanation & Discuss

Question 1233

jamb 1980

The part of the cell solely responsible for respiration is the

Anucleus

Bnucleolus

Cmitochondria

Dgolgi apparatus

Eendoplasmic reticulum

View Explanation & Discuss

Question 1234

jamb 1980

A green plant growing in a compost pit is feeding?

Aholozoically

Bparasitically

Csaprophytically

Dholophytically

Ein none of the above ways

View Explanation & Discuss

Question 1235

jamb 1980

A potometer is used to determine the rate at which a shoot

Arespires

Bsucks air bubbles

Closes weight

Dabsorbs water

Etranspires

View Explanation & Discuss

Question 1236

jamb 1980

Which one of the following parts of the mammalian body is most closely associated with the production of urine?

AMalpighian capsule

BUrinary bladder

CUreter

DVas deferens

EUrethra

View Explanation & Discuss

Question 1237

jamb 1980

For pollination and fruit formation, the essential part(s) of the flower should be the

Acorolla

Bovary

Cpistil (gynoecium)

Dovules

Ereceptacle

View Explanation & Discuss

Question 1238

jamb 1980

The conversion of excess amino acids into urea occurs in the

AKidney

Bpancreas

Cvilli

Dliver

Espleen

View Explanation & Discuss

Question 1239

jamb 1980

Which of the following food substances is digested in the stomach?

ACarbohydrate

BFats and oil

CFats and proteins

DProteins

ECarbohydrates and fats

View Explanation & Discuss

Question 1240

jamb 1980

The joint between the atlas and axis vertebrae allows for

Arotatory movement only

Bup and down or nodding movements only

Crotatory and nodding movements

Dno movement at all

Eslight movement

View Explanation & Discuss

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