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Biology Past Questions

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2,572 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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2,572 questions

Question 1 of 20 2,572 total questions

Question 301

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 302

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 303

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 304

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 305

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 306

jamb 2018

Which of the following structures is not a skeletal material?

AChitin

BCartilage

CBone

DMuscle

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Question 307

jamb 2018

The longest bone in the body is the

Ahumerous

Bfemur

Cscapula

Dtibia

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Question 308

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 309

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 310

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 311

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 312

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 313

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 314

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 315

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 316

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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Question 317

jamb 2017

Insects that goes through adult stage without becoming pupa are except ________

Acrickets

Bcockroach

Cgrasshopper

Dbees

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Question 318

jamb 2017

How does an enzyme affect the rate of a reaction?

AIt lowers the activation energy of the reaction, increasing the reaction rate.

BIt raises the activation energy of the reaction, decreasing the reaction rate.

CIt lowers the activation energy of the reaction, decreasing the reaction rate.

DIt raises the activation energy of the reaction, increasing the reaction rate.

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Question 319

jamb 2017

In mosses the structure which performs the function of water absorption is the _________?

Aroot hairs

Brhizoids

Ccapsule

Dhyphae

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Question 320

jamb 2017

Which of the following factors can reduce the population of a community?

AImmigration

Bedaphic

Cpredation

Dmutualism

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