Biology Past Questions

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

50 questions
Question 1 of 20 50 total questions
Question 11
waec 2021

Plants and animals of an ecosystem make up a?

Ahabitat
Bsuccession
Ccommunity
Dpopulation
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Question 12
waec 2021

The following organisms are examples of carnivorous plants except.

Agloriosa
Bvenus flytrap
Cpitcher plant
DUtricularia
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Question 13
waec 2021

The diagram above is an illustration of the foot of an animal.

The adaptation of this type of foot is that it is?

Aused as a bait to catch fish in water
Bused as a paddle for swimming
Ceffective in scratching the soil for food
Dused for killing prey in water
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Question 14
waec 2021

The process that takes place at the light stage of photosynthesis is?

Asplitting of water molecules to form hydrogen ions
Breduction of carbon (IV) oxide to form carbohydrate
Cformation of two molecules of phosphoglyceric acid
Dbreaking down of ATP molecules to produce energy
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Question 15
waec 2021

Autotrophic nutrition is a process whereby an organism obtains food 

Aby utilizing its store energy
Bby synthesizing simple substances using energy
Cfrom other organisms in exchange for some products
Din a synthesized form, from other living organisms
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Question 16
waec 2021

Which of the following factors is not necessary for photosynthesis?

Awater
Bcarbon (IV) oxide
Cwind
Dsunlight
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Question 17
waec 2021

The diagram above is an illustration of the growth of a plant in a water culture. After a few days, the solution turned green and the plant died. Use this to answer this question.

The death of the plant was likely caused by?

Aexcess supply of nutrients to the plant
Binadequate supply of water to the plant
Calgal growth in the solution that used up the nutrients
Dinability of the plant to make food due to lack of sunlight
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Question 18
waec 2021

The diagram above is an illustration of the growth of a plant in a water culture. After a few days, the solution turned green and the plant died. Use this to answer this question.

What precaution should have been taken to prevent the solution from turning green?

Ause a non-green plant for the experiment
Baerate the solution daily
Ccover the culture vessel with opaque paper
Dkeep cotton wool around the seedling to make it dry
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Question 19
waec 2021

An enzyme reaction may begin to decline when?

Athe optimum temperature is attained
Bthe ph of the medium is altered
Cthere is an increase in substrate concentration
Dthe atmospheric pressure is altered
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Question 20
waec 2021

Which of the following organisms does not undergo incomplete metamorphosis?

Alocust
Bgrasshopper
Cbutterfly
Dcockroach
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Question 21
waec 2021

How many gametes are produced in the pollen grain of a flowering plant before fertilization?

Aone
Btwo
Cthree
Dfour
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Question 22
waec 2021

The diagram above is an illustration of a type of eye defect in humans. Study it and answer this question.

The eye defect can be corrected by the use of?

Aconvex lens
Bconcave lens
Cbifocal lens
Dcylindrical lens
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Question 23
waec 2021

The diagram above is an illustration of a type of eye defect in humans. Study it and answer this question.

The eye defect illustrated in the diagram is?

Ahypermetropia
Bastigmatism
Cpresbyopia
Dmyopia
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Question 24
waec 2021

The temperature control centre in mammals is located in the?

Askin
Bhypothalamus
Cpituitary gland
Dadrenal gland
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Question 25
waec 2021

Which of the following hormones is suddenly secreted into the bloodstream of a frightened person?

Ainsulin
Badrenaline
Cthyroxine
Dparathormore
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Question 26
waec 2021

Detoxification of urea takes place in the?

Apancreas
Bheart
Cliver
Dtestes
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Question 27
waec 2021

The diagram above is an illustration of the longitudinal section of a mammalian organ. Study it and answer this question.

What is the main function of the organ?

AExcretion
BRespiration
CReproduction
DLocomotion
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Question 28
waec 2021

The diagram above is an illustration of the longitudinal section of a mammalian organ. Study it and answer this question.

Which of the labeled parts is the cortex?

AI
BII
CIII
DIV
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Question 29
waec 2021

The blood vessel which carries blood from the alimentary canal to the liver is the?

Ahepatic artery
Bhepatic vein
Chepatic portal vein
Dmesenteric artery
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Question 30
waec 2021

Radius and ulna are bones of the?

Apectoral girdle
Bupper arm
Cpelvic girdle
Dlower arm
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