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 501
jamb 2018

Which of the following cycles involves the process of precipitation and transpiration?

Awater cycles
Bcarbon cycle
Cnitrogen cycle
Doxygen cycle
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Question 502
jamb 2018

Which of the following processes removes carbon from the atmosphere?

Aputrefaction
Bphotosynthesis
Cvolcanic eruption
Dburning of fuels
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Question 503
jamb 2018

A seed of a flowering plant can best be described as

Aradicle and plumule
Bthe developed ovule
Cthe embryo and endosperm
Ddeveloped ovary
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Question 504
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 505
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 506
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 507
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 508
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 509
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 510
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 511
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 512
jamb 2018

Which of the following structures is not a skeletal material?

AChitin
BCartilage
CBone
DMuscle
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Question 513
jamb 2018

The longest bone in the body is the

Ahumerous
Bfemur
Cscapula
Dtibia
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Question 514
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 515
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 516
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 517
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 518
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 519
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 520
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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