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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.

59 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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59 questions

Question 1 of 20 59 total questions

Question 11

waec 2008

A vaccine is introduced into a person‘s body to

Adestroy all disease-causing organisms in the body

Bstimulate the body to produce antibodies

Cenhance the production of red blood cells

Disolate disease-causing pathogens from the blood.

View Explanation & Discuss

Question 12

waec 2008

The following observations concerning succession are true except that the

Apioneer community has fewer species

Bmiddle stages communities are most diverse

Cmax community has the greatest number of species

Dtotal biomass of the community increases as succession progresses

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Question 13

waec 2008

The effects of environmental degradation caused by human activities can be controlled by the following measures except

Areclaiming the land

Bconverting mining pits into fish ponds

Cresettling indigenous inhabitants

Deducating people

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Question 14

waec 2008

The speed of the flow of water in a river is faster in the middle than along the banks due to

Adifferences to turbidity at different parts of the river

Bthe abundance of fishes and other organisms along the bank

Creduced force of gravity in the middle portion of the river

Dresistance offered by the wall of the banks.

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Question 15

waec 2008

Shrubs do not survive on newly weathered soils because

Athe top soil is shallow

Bdrainage on such soil is poor

Chumus is absent from the soil

Dthe soil tends to be sandy

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Question 16

waec 2008

Pond weeds normally lack thick layers of cuticle because

Atheir system of photosynthesis is not efficient

Bthere is no danger of becoming desiccated

Ctheir leaves are either dissected or n bon-shaped

Dthere are numerous stoma a on their upper epidermis

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Question 17

waec 2008

Which of the following statements about the transfer of energy in the ecosystem is correct?

Aenergy increases at high trophic levels

BMore organisms can be supported at higher levels

CThere are fewer organisms at top tropic levels

DEnergy is lost at each trophic level

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Question 18

waec 2008

What would be the effect of taking the lion out of the web?

AThe number of organisms at each trophic level would increase

BMan would occupy the apex of the web

CThere would be more rabbit in the web

DThe energy reaching the remaining trophic would be increase

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Question 19

waec 2008

Tertiary consumers within the web are

Acat and lion only

BMan and lion only

Cman and cat only

Dman, cat and lion

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Question 20

waec 2008

Which of the following instruments is used to measure wind speed?

AThermometer

BBarometer

CHygrometer

DAnemometer

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Question 21

waec 2008

Which of the following physical actors is likely to affect the distribution of plants in a pond?

Alight

BHumid

CWind

DTemperature

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Question 22

waec 2008

A community is best described as

Aliving things in a habitat interacting with the non-living part of the environment

Bthe total number of individuals of one species of organisms living in a particular habitat

Cpopulations of different species living together and interacting with each other in one habitat

Dthe individuals of a particular group living together in an area and sharing the same resources

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Question 23

waec 2008

The impedance of the concentration of chloroplast in the palisade layer of the leaf is for maximum exposure to

Acarbon dioxide

Blight

Cwater

Doxygen

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Question 24

waec 2008

Filaments of Spirogyra placed in a beaker of water in a dark cupboard died because

Athe filaments could not photosynthesize

Bconjugation could not take place

Cthe temperature was too high

Dthe plant was overflooded

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Question 25

waec 2008

Analysis of the gut content of an animal showed that it contained small pieces of bone, seeds. roughages and insects. The animal is likely to be a/an.

Acarnivore

Bherbivore

Cinsectivore

Domnivore

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Question 26

waec 2008

Which of the following food substances gives the least amount of calories?

ARice

BGroundnuts

Ccabbage

DEgg yolk

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Question 27

waec 2008

An example of a dehiscent fruit is

Acrotolaria

Btomato

Cmango

Dorange

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Question 28

waec 2008

The part of the young root that pushes its way through the soil is the

Aroot hair

Btap root

Croot cap

Dlateral root.

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Question 29

waec 2008

The process by which flowers produce fruit without the process of fertilization is called

Aviviparity

Bparthenocarpy

Cpropagation

Dmetamorphosis

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Question 30

waec 2008

The eyes can properly focus images of objects of various distances on the retina by a process called

Arefraction

Breflection

Caccommodation

Dcorrection

View Explanation & Discuss

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