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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 1271

jamb 1978

A spirogyra cell placed was placed in solution X after 1 minute the cell has been plasmolysed, solution X was

ATap water

Ba very strong sugar solution

Ca weak sugar solution

Da very weak salt solution

Edistilled water

View Explanation & Discuss

Question 1272

jamb 1978

The mammalian stomach can carry out a number of processes except

Aabsorption of glucose

Bsecretion of hydrochloric acid

Csecretion gastric juice

Dchurning of food

Eproduction of trypsin

View Explanation & Discuss

Question 1273

jamb 1978

A potometer was used to compare the rate of loss of the same volume of water from a plant under different environmental conditions as under a fan, at the sea shore, under the sun, in the airy laboratory and in cupboard. What time was likely to have been obtained in a cupboard?

A15 secs

B30secs

C25secs

D20secs

E28secs

View Explanation & Discuss

Question 1274

jamb 1978

which of these elements in plants is required in small quantities only

ABoron

BNitrogen

CPhosphorus

DMagnesium

EPotassium

View Explanation & Discuss

Question 1275

jamb 1978

Which of these is not a function of the mammalian skin/

AProtection against bacteria infection

BExcretion of waste and water

CProduction of vitamin d when exposed to sun light

Dproduction of pigments to reduce temperature

ERegulation of body temperature

View Explanation & Discuss

Question 1276

jamb 1978

Which of these is not a part of the feather of a bird?

AWing

Baftershaft

CInferior umblilicus

DVane

EBarbule

View Explanation & Discuss

Question 1277

jamb 1978

Which of these is not associated with the movement of the toad, reptile or bird?

AHopping

BBopping

CFlapping

DGliding

EPecking

View Explanation & Discuss

Question 1278

jamb 1978

Which of these is not associated with tadpole stages of toad or frog

AV-shaped gland

Boperculum

Cexternal gills

Djelly

Eshell

View Explanation & Discuss

Question 1279

jamb 1978

The feature that distinguish the toad or frog from the fish is the absence of

Ascales

Blungs

Cpaired appendages

Da tail

Eskin glands

View Explanation & Discuss

Question 1280

jamb 1978

Rhizopus (or mucor)obtain its food from dead organic matter extracellularly. It is said to be

Aa facultative parasite

Bsaprophyte

Can obligate parasite

Da commensal

Ean autotroph

View Explanation & Discuss

Question 1281

jamb 1978

Which of these is not true of the insect? The possession of

Atwo pairs of antennae

Bjointed appendages

Cexoskeleton

Dthree pairs of legs

Esegmented body

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Question 1282

jamb 1978

The neck region of the tape worm, (taenia) is responsible for the

Aproduction of egg

Bstorage of egg

Cformation of new segment

Ddevelopment of the suckers

Efragmentaion of the body segment

View Explanation & Discuss

Question 1283

jamb 1978

At fertilization

Aone chromosome from the male joins another from the female

Bone gene from the male combines with another from the female

Cthe male nucleus fuses with the female nucleus

Done set of chromosome combines with another set from the female

Eone cell from the male fuses with another from the female

View Explanation & Discuss

Question 1284

jamb 1978

A potometer with a leafy shoot weighed 18.9g initially and weighed 17.9g after one hour. From this it follow that

Athe shoot absorbed 1g of water per hour

B1g of water per hour evaporates from the potometer

Cthe shoot lost 1g of water per hour

Dthe potometer water receded at the rate of 1g per hour

Ethe shoot was respiring and lost weight at rate of 1g per hour

View Explanation & Discuss

Question 1285

jamb 1978

The study of organism and the environment of an abandoned farmland is the ecology of?

Aa community

Ba population

Ca specie

Da habitat

Ean ecosystem

View Explanation & Discuss

Question 1286

jamb 1978

The hormone which tones up the muscles of a person in time of danger is from the

Athyroid gland

Bpancreas

Cadrenal gland

Dliver

Espleen

View Explanation & Discuss

Question 1287

jamb 1978

In which of the following groups of organisms do all the members have asexual method of reproduction?

AA geen filament algae, a flowering plant and a bird

BA toad (or frog) , ameoba and mucor ( penicillium)

CA flowering plant, tape worm (or ascaris) and a green filamentous algae

DMucor (or penicillium), a bird and a toad (or frog)

EAmeoba, mucor (or penicillium ) and a green filamentous algae

View Explanation & Discuss

Question 1288

jamb 1978

In the life history of schistosoma (Bilharzia), one of the following is intermediate host

Aman

Bsnail

Cmosquito larva

Dcrayfish

Efish

View Explanation & Discuss

Question 1289

jamb 1978

Nitrifying bacteria keep the soil fertile by

Aconverting nitrate to nitrogen

Bconverting ammonium salt to nitrate

Cconverting atmospheric nitrogen to plant nitrogen

Dconverting nitrate to nitrous oxide

Econverting atmospheric nitrogen to nitrates

View Explanation & Discuss

Question 1290

jamb 1978

Which of the following is a characteristic of animal cell?

APresence of chloroplast

Bpossession of cellulose cell-wall

Cabsence of large vacuoles

Dpresence of large vacuoles

Epresence of chromosome

View Explanation & Discuss

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