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.

5,032 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
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Past Questions

5,032 questions
Question 1 of 20 5,032 total questions
Question 331
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 332
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 333
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 334
waec 2020

Which of the following statements best explains the reason why termites swarm at night?

ALight is not necessary for swarming
BThey avoid day-flying birds
CLight destroys their wings
DThey can only see in the dark
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Question 335
waec 2020

Who proposed the theory of evolution by natural selection 

ADarwin
BLamark
CAristotle
DLinnaeus
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Question 336
waec 2020

Replication of DNA molecules is catalysed by an enzyme called 

Apolymerase
Bptyalin
Cpepsin
Damylase
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Question 337
waec 2020

The diagram above is an illustration of a cross between plants A and B of the same species. Study it to answer the question below

 

The process that gave rise to the F1 generation is 

Aself fertilization
Bcross fertilization
Cout-breeding
Dtest cross
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Question 338
waec 2020

The diagram below is an illustration of a cross between plants A and B of the same species. Study it and answer the question below;

 

 

2020 Biology WAEC Objective Past Questions | Kofa Study

 

If the F1 generation are plants with high yield and resistance, the genotype of the F1 generation plants would be 

AYYRR
BYyRr
CyyRr
Dyyrr
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Question 339
waec 2020

Which of the following diseases can be inherited?

APneumonia
BWhooping cough
CSickle cell anemia
DMalaria
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Question 340
waec 2020

Which of the following statements about chromosomes is correct?

AAll the chromosomes of a species are the same shape
BThe number present in a specie is constant
CThey are neatly arranged in a cytoplasm
DThey bear ribosomes on their outer membranes
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Question 341
waec 2020

Measurements of height and weight of students in a class show 

Adiscontinuous variation
Bcontinuous variation
Cshortness is more prevalent
Dfatness is less prevalent
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Question 342
waec 2020

Variation which exhibits a wide range from one extreme to the other is 

Aphenotypic variation
Bdiscontinuous variation
Ccontinuous variation
Dgenotypic variation
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Question 343
waec 2020

A child that can receive blood donation from anybody belongs to the blood group 

AO
BA
CB
DAB
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Question 344
waec 2020

Which of the following substances is not a conservable natural resource?

AMineral
BAir
CSoil
DWater
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Question 345
waec 2020

A company was prohibited from producing bags made from natural leopard skin. This is an attempt to conserve 

Aland
Bwater
Cwildlife
Dminerals
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Question 346
waec 2020

Conservation of natural resources does not 

Amaintain a balanced ecosystem
Bpreserve the beauty of nature
Cattract tourists
Dthreaten the survival of species
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Question 347
waec 2020

Use the list of insects below to answer the question below; 

I. Cotton stainer    II. Honeybee     III. Termite       IV. Weevil

Which of the insects destroys grains?

AI
BII
CIII
DIV
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Question 348
waec 2020

Use the list of insects below to answer the question below; 

I. Cotton stainer    II. Honeybee     III. Termite       IV. Weevil

The insects whose activities are both beneficial and harmful to humans are;

AI and II
BII and III
CII and IV
DIII and IV
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Question 349
waec 2020

The depletion of the ozone layer will result in the earth surface receiving more

Agamma rays
Binfra-red rays
Cultraviolet rays
DX-rays
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Question 350
waec 2020

The position occupied by an organism in food chain is the

Aenergy level
Bniche
Ctrophic level
Dbiomass
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