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 201
jamb 2021

When a Spirogyra cell is immersed in a salt solution more concentrated than its cell sap, it?

Aremains unchanged
Btakes tip water and burst
Cabsorbs a little water
Dloses water and shrivels
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Question 202
jamb 2021

Flatworms and roundworms are said to be invertebrates because?

Athey are small animals
Bthey can live inside the vertebrates
Csome of them are unicellular
Dthey have no backbones
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Question 203
jamb 2021

Choose the sequence which represents the correct order of organisms in a food chain

AGrass, snake, toad, grasshopper, hawk
BGrass, grasshopper, toad, snake, hawk
CGrass, grasshopper, snake, toad, hawk.
DGrass, snake, grasshopper, toad, hawk
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Question 204
jamb 2021

Some of the features of an animal are scales, teeth, nares, and backbone. The animal is likely to be a?

Atoad
Bbird
Clizard
Drat
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Question 205
jamb 2021

Which of the statements below is not characteristic of wind-pollinated flowers?

AStigmas are usually large and feathery
BNectary is usually absent
CThe pollen grains have rough spiny surfaces
DThe flowers are not scented.
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Question 206
jamb 2021

One of the functions of the xylem is?

Astrengthening the stem
Bmanufacturing food
Creducing loss of water
Dconducting manufactured food
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Question 207
jamb 2020

Use the diagram to answer the question.

The structure labelled i is

Aphotosensitive
Bradiosensitive
Cchemoreceptive
Dtactile
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Question 208
jamb 2020

Use the diagram to answer the question.

The type of protective adaption exhibited by the animal is

Adisruptive colouration
Bflash colouration
Ccountershading colouration
Dwarning colouration
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Question 209
jamb 2020

Which of the following vertebrates has the most simple structured heart

Areptile
Bfish
Cmammal
DAmphibian
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Question 210
jamb 2020

Which of the following is the best explanation for a child who is phenotypically short and born of two tall parents?

Aboth parents possess genes for shortness
Bthe father possesses a gene for shortness
CNature makes the child short.
DThe mother possesses genes for shortness
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Question 211
jamb 2020

The only caste in the termite colony whose members can feed themselves are the

Aworkers
Breproductives
Csoldiers
Dnymphs
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Question 212
jamb 2020

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

Apositive phototaxis
Bnegative phototaxis
Cpositive thermotaxis
Dnegative chemotaxis
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Question 213
jamb 2020

Use the table to answer the question.

Which of the zones is likely to be a desert?

Ai
Bii
Ciii
Div
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Question 214
jamb 2020

Use the table below to answer the question.

High relative humidity will be expected in Zones

Aii and iv
Bii and iii
Ci and iii
Di and iv
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Question 215
jamb 2020

Paternity disputes can most accurately be resolved through the use of

Ablood group typing
Bfinger printing
Ctongue rolling
DDNA Analysis
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Question 216
jamb 2020

The noticeable adaptation of the animal to it's aquatic habitat is the possession of

Awebbed digits
Bfour limb
Cwide mouth
Dlarge eyes
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Question 217
jamb 2020

Use the diagram to answer the question.

The process of water loss and intake indicated by the arrows labelled i and ii are respectively

Aevaporation and osmosis
Bosmosis and exhalation
Cosmosis and diffusion
Durination and diffusion
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Question 218
jamb 2020

In a population of living things, the parameters of size, height, weight and colours are examples of

Acontinuous variation
Bnon-heritable variation
Cdiscontinuous variation
Dphysiological variation
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Question 219
jamb 2020

Both recesssive and dominant characters are found

Aon different chromosome in the cell
Bat the same logus of a homologous chromosome
Cat a different loci of a homologous chromosome
Don the same chromatid in a chromosome
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Question 220
jamb 2020

The probability of a baby being a boy or a girl depends on the contribution of the

Afather's sex cells
Bfather's stomatic chromosome
Cmother's sex cell
Dmother's X-chromosome
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