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.

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Past Questions

5,032 questions
Question 1 of 20 5,032 total questions
Question 1251
jamb 2005

Secondary succession is much faster than primary succession because

Apioneer colonizers are more in number
Bsoil is already present
Csecondary seres require less nutrients
Dspecies competition is increased
View Explanation & Discuss
Question 1252
jamb 2005

The population density of Tridex in an abandoned square farm land of side 200 m was found to be 5 plants per m\(^2\). The population size of the plant on the farm is

A40
B1000
C40000
D200000
View Explanation & Discuss
Question 1253
jamb 2005

In Nigeria, the guinea savanna belt borders the

Amangrove swamps and the sahel savanna
Brainforests and the sudan savanna
Cdesert and the sudan savanna
Drainforests and the deserts
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Question 1254
jamb 2005

The Mambila plateau is a unique Nigerian biome located in

APlateau state
BBorno state
CTaraba state
DBenue state
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Question 1255
jamb 2005

The main reservoir of water in the circle is the

Acloud
Bground water
Cplant
Docean
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Question 1256
jamb 2005

Evaporation and transpiration are respectively represented by the components labelled

AI and II
BII and III
CIII and IV
DIV and I
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Question 1257
jamb 2005

At which temperature will cockroaches not survive after 10 days

A15oC
B19oC
C24oC
D33oC
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Question 1258
jamb 2005

From the diagram above the optimal temperature for breeding cockroaches is

A15oC
B19oC
C24oC
D33oC
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Question 1259
jamb 2005

Which of the following is a homostatic response in humans?

AWithdrawing the hand from a hot object
BThe mouth getting watery when food is sighted
Cyawning owing to tiredness
Dshivering in a cold environment
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Question 1260
jamb 2005

A function of the part labelled II is to

Aequalize pressure on both sides of the tympanum
Bconduct sound waves to the brain
Chelp the animal maintain balance or posture
Dtransform sound waves into electric impulses
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Question 1261
jamb 2005

From the diagram above the structure labelled I is the

Aincus
Bmalleus
Chammer
Dstapes
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Question 1262
jamb 2005

The type of germination illustrated is termed

Ahypogeal
Bepicotyl
Cepigeal
Dhypocotyl
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Question 1263
jamb 2005

The main function of the structure labelled I is to

Astore food for the young plant
Bpull the young shoot above the ground
Cstore water for the seedling
Dprotect the young plumule
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Question 1264
jamb 2005

From the diagram above Birth control by vasectomy is achieved by severing the structure labelled

AI
BII
CIII
DIV
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Question 1265
jamb 2005

From the diagram above the structure labelled I originates from the

Aliver
Bkidney
Csmall intestine
Dstomach
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Question 1266
jamb 2005

Hydrostatic skeleton is the type of supporting system found in

Amammals
Breptiles
Coligochaetes
Darthropods
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Question 1267
jamb 2005

When bacteria swim from cold to warm regions this is known as

Anegative chemotaxis
Bpositive thermotaxis
Cpositive phototaxis
Dnegative phototaxis
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Question 1268
jamb 2005

Excess water in plants is excreted as water vapour and droplets respectively through

Arespiration and guttation
Btranspiration and guttation
Cphotosynthesis and guttation
Dguttation and condensation
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Question 1269
jamb 2005

The urinary tubules of the kidney function through

Aosmosis and diffusion
Bactive transport and osmosis
Cultrafiltration and selective reabsorption
Dactive transport and cytoplasmic streaming
View Explanation & Discuss
Question 1270
jamb 2005

A test tube containing yeast in glucose solution containing alkaline pyrogallol. The bubbles of carbon (IV) oxide produced indicates that the yeast cells are

Arespiring in the absence of oxygen
Bliberating oxygen on their own
Cliving and consuming oxygen
Dbeing killed by the alcohol produced
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