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.

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

139 questions
Question 1 of 19 139 total questions
Question 61
jamb 2018

Spectacles with convex lenses correct long-sightedness by

Aconverging the light rays before they enter the eye
Bdiverging the light rays before they enter the eye
Creducing the light intensity before it enters the eye
Dincreasing the light intensity before it enters the eye
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Question 62
jamb 2018

The part of the ear which contains nerve cells sensitive to sound vibrations is the

Acochlea
Bampulla
Ctympanum
Dmalleus
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Question 63
jamb 2018

The reason why hospitals use saline solutions as drip Instead of water is

Abecause salt is a preservative
Bto prevent contamination of the body
Cto maintain the composition of body fluids
Dto increase the number of blood cells
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Question 64
jamb 2018

The graph above shows the results of a laboratory investigation which measured the body temperatures of a lizard and a bird under changing artificial conditions. Use it to answer the question.

What physiological term can be used to describe the regulation of the body temperature of the of the Lizard?

AHomeostasis
BHomoithermy
CPoikilothermy
DOsmoregulation
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Question 65
jamb 2018

The graph below shows the results of a laboratory investigation which measured the body temperatures of a lizard and a bird under changing artificial conditions. Use it to answer the question.

Which of the statements below is valid?

AThe bird's blood was always warmer than that of the lizard
BThe body temperature of the bird varied less than that of the lizard during changes in environmental temperature
CThe body temperature of the bird remained constant despite changes in environmental temperature
DThe body temperature of the lizard was always close to that of the environmental temperature
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Question 66
jamb 2018

Which of the following features is not a characteristic of arteries? Arteries

Apossess valves at internals throughout their length
Bhave thick muscular and elastic walls
Ccarry blood away from the heart
Dtransport oxygenated blood with the exception of the pulmonary artery
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Question 67
jamb 2018

Which of the following groups of organisms has kidney as the excretory organ?

AFishes, amphibians, birds, man
BFishes, amphibians, annelids, insects
CFishes, reptiles, birds, tapeworm
DFishes, protozoans, amphibians, man
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Question 68
jamb 2018

The reason why the flow of blood through the capillaries is very slow is

Abecause the walls of Capillaries are very thick
Bto avoid high blood pressure
Cto ensure that the individual does not get dizzy
DTheir large numbers and one cell-thick walls enables them to provide a large surface area through which materials can be exchanged between the blood and the body cells.
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Question 69
jamb 2018

Which of the following structures is not a skeletal material?

AChitin
BCartilage
CBone
DMuscle
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Question 70
jamb 2018

The longest bone in the body is the

Ahumerous
Bfemur
Cscapula
Dtibia
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Question 71
jamb 2018

The overall reaction in glycolysis can be summarised as

AC\(_{6}\)H\(_{12}\)O\(_{6}\) -----> C\(_{3}\)H\(_{4}\)O\(_{3}\) + 4H + ATP
BC\(_{6}\)H\(_{12}\)O\(_{6}\) -----> 2C\(_{3}\)H\(_{4}\)O\(_{3}\) + 4H + 2ATP
CC\(_{6}\)H\(_{12}\)O\(_{6}\) -----> 2C\(_{3}\)H\(_{4}\)O\(_{3}\) + 4H + ADP
DC\(_{6}\)H\(_{12}\)O\(_{6}\) -----> 2C\(_{3}\)H\(_{4}\)O\(_{3}\) + 4H + 2ADP
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Question 72
jamb 2018

The curvature movement of plants in response to the stimulus of water is called

Ahydrotropism
Bgeotropism
CPhototropism
Dthigmotropism
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Question 73
jamb 2018

Red blood cells were found to have burst open after being placed in distill for an hour. This phenomenon is known as

Aplasmolysis
Bdiffusion
Chaemolysis
Dwilting
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Question 74
jamb 2018

Use the diagram shown to answer the question. In plant cells, the role of the membrane is played by the

Anucleolus
Bcell wall
Ccytoplasm
Dmitochondrion
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Question 75
jamb 2018

Use the diagram shown to answer the question. The experiment above is used to demonstrate the process of

Atransportation
Bwater culture
Cdiffusion
Dosmosis
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Question 76
jamb 2018

Use the diagram shown to answer the question. After an hour, the level of water in the thistle funnel will

Arise
Bfall
Cremain the same
Ddouble
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Question 77
jamb 2018

The cytoplasm of a cell is considered a very important component because it

Aregulates the amount of energy in the cell
Bsuspends all cell organelles
Cis the outermost part of the cell
Dis solely responsible for cell division
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Question 78
jamb 2018

A beaker of pond water containing few specimens of Euglena was placed in a dark room for two weeks. At the end of this period, the specimens of Euglena were still alive because they were

Aable to carry out holozoic nutrition
Bable to carry out photosynthesis using carbon dioxide in the pond water
Cbetter adapted to life in darkness than to life in light
Dnot overcrowded
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Question 79
jamb 2018

A group of closely related organisms capable of interbreeding to produce the fertile offspring are known as members of a

AKingdom
Bclass
Cfamily
Dspecies
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