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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.

177 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
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Past Questions

177 questions
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Question 1 of 20 177 total questions
Question 21
waec 2024

If a germinating seed is attached horizontally to a revolving klinostat, what would be the effect on the seedling after three days? The 

Aplumule will curve vertically upward while the radicle will not show any curvature
Bradicle will curve towards the ground while the plumule will not show any curvature.
Cplumule and radicle will not show any curvature.
Dplumule will curve vertically upwards while the radicle will curve towards the ground
View Explanation & Discuss
Question 22
waec 2024

The function of the root hair in plants is to 

Aabsorb soil water by the process of osmosis.
Bexcrete water and mineral salts by simple diffusion.
Cpurify the soil for the plant.
Dtranslocate manufactured food.
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Question 23
waec 2024

The bursting of a red blood cell placed  in a hypotonic solution is called 

Acrenation
Bhaemolysis
Cplasmolysis
Dcytolysis
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Question 24
waec 2024

 The structure in the cell that controls the movement of substances in and out of the cell is the

Acytoplasmic membrane
Bnuclear membrane
Cprotoplasm
Dendoplasm
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Question 25
waec 2024

Which of the following organisms consists of unicellular cells joined to form a filament? 

AAmoeba
BSpirogyra
CEuglena
DChlamydomonas
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Question 26
waec 2024

The illustrated organism is capable of reproducing by

Asexual means only
Basexual means only
Cvegetative propagation only
Dsexual and asexual means
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Question 27
waec 2024

The diagram above is an illustration of a reproductive process in an organism. Study it and answer ques tions 4 and 5.

The type of reproduction illustrated is

Abudding
Bbinary fission
Cgrafting
Dvegetative propagation
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Question 28
waec 2024

 A plant with short, vertical underground stem is a

Abulb
Bcorm
Crhizome
Dtuber
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Question 29
waec 2024

Species are groups of organisms that

Aare of common origin but cannot interbreed freely
B
Chave similar features and can interbreed freely
Dresemble each other and occupy different niches
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Question 30
waec 2024

Which of the following organisms contains Chlorophyll in its cells?

ACaterpillar
BParamecium
CEuglena
DGrasshopper
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Question 31
jamb 2024

Use the diagram above to answer the question that follows.

Examples of non-vascular plants are labelled 

AI and II
BI and III
CII and III
DII and IV
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Question 32
jamb 2024

The part of the brain that receives sensory impulses of smell is the

Aolfactory lobe
Bmedulla oblongata
Ccerebrum
DCerebellum
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Question 33
jamb 2024

Hemophilia in humans is controlled by the 

Ablood group
Bdominant gene
Crhesus factor
Drecessive gene
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Question 34
jamb 2024

Use the diagram above to answer the question that follows:

Recombination of genes at fertilization is represented by the part labelled

AI
BII
CIII
DIV
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Question 35
jamb 2024

DNA carries the genetic information and are generally found in the 

Aribosomes
Bchromosomes
Cblood
Denzymes
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Question 36
jamb 2024

The component that serves as major buffer in blood is

Aplasma
Berythrocytes
Cleucocytes
Dlymph
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Question 37
jamb 2024

A discontinuous morphological variation often used in crime detection is the

Askin colour
Bblood group
Cfinger prints
Deye colour
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Question 38
jamb 2024

The urinary tubules opens into a proximal convoluted tubule coils to form distal by making a

AZ- shaped loop
BL- shaped loop
CU- shaped loop
DI- shaped loop
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Question 39
jamb 2024

The resemblance of an organism to another organism as means of enhancing it's chances of survival in its habitat is known as

Acounter shading
Bprotective colouration
Cmimicry
Dwarning
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Question 40
jamb 2024

If the F1 generation allows for self-pollination, what will be the genotypic ratio of the offspring?

A1 : 2 : 1
B2 : 2
C3 : 1
D2 : 1 : 1
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