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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.

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Past Questions

5,032 questions

Question 1 of 20 5,032 total questions

Question 1281

neco 2004

An organism that transmits pathogens is called a

Aprey

Bcommensal

Cparasite

Dsymbiont

Evector

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Question 1282

neco 2004

The mouth part of a mosquito through which it sucks the blood of its victim is called

Ahypopharynx

Bmandible

Clabium

Dlabrum

Estylet

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Question 1283

neco 2004

The glomerular filtrate contains the following substances EXCEPT

Ablood cells

Bglucose

Cmineral salts

DWater

Eurea

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Question 1284

neco 2004

When a plant shows yellowing of leaves and stunted growth, the plant is deficient in

Acopper

Biron

Cmanganese

Dsilicon

Ezinc

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Question 1285

neco 2004

A feeding relationship in which both organisms benefit is referred to as

Acommensalism

Bparasitism

Cpredation

Dsaprophytism

Esymbiosis

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Question 1286

neco 2004

The following are classes of dry indehiscent fruits EXCEPT

Aachene

Bcaryopsis

Ccypsela

Dfollicle

Eschizocarp

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Question 1287

neco 2004

The plant cell is different from an animal cell because it has

Acellulose cell-wall

Bcytoplasmic content

Ccentriole

Dmitochondria

Enucleus

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Question 1288

neco 2004

The part of the kidney tubule where ultra filtration takes place is the

ABowman’s capsule

Bdistal convoluted tubule

CHenle’s loop

Dmain collecting tubule

Eproximal convoluted tubule

View Explanation & Discuss

Question 1289

neco 2004

Which of the following is released from car exhaust due to incomplete combustion of fuel?

Acarbon dioxide

Bcarbon monoxide

Cnitrogen dioxide

Doxygen

Esulphur dioxide

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Question 1290

neco 2004

Which of the following is NOT a characteristic of digestive enzymes?

Achanges in pH affect enzymes

Benzymes react best at high temperature

Cenzymes react reversibly

Dthey are affected by intake of poisons

Ethey are protein in nature

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Question 1291

neco 2004

Plants that are found in extreme dry conditions are called

Aepiphytes

Bhydrophytes

Cmesophytes

Dthallophytes

Exerophytes

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Question 1292

neco 2004

Simple sugars are also called

Acellulose

Bdisaccharides

Cmonosaccharides

Dpolysacchaiides

Estarch

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Question 1293

neco 2004

Which of these is NOT a method of improving crop yield?

Aspraying the crops with chemicals

Bmechanized farming

Csowing pest resistant varieties of seeds

Dstoring the crops in barns or silos

Esowing of viable seeds

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Question 1294

neco 2004

The correct sequence of energy transfer among living organisms in an ecosystem is

Aconsumers - decomposers – producers

Bconsumers - producers - decomposers

Cdecomposers - producers- consumers

Dproducers - consumers- decomposers

Eproducers - decomposers- consumers

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Question 1295

neco 2004

Xylem tissue consists of the following cells EXCEPT

Asieve tubes

Btracheids

Cvessels

Dfibres

Eparenchyma

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Question 1296

neco 2004

A typical lumbar vertebra does NOT have

Acentrum

Bneural arch

Cneural spine

Dneural canal

Evertebrartenal canal

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Question 1297

neco 2004

The part of the skin which is excretory in function is the

Aadipose tissue

Berector muscle

Chair follicle

Dsebaceous gland

Esweat gland

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Question 1298

neco 2004

The removal of undigested food substances from the body is called

Aassimilation

Begestion

Cexcretion

Delimination

Eingestion

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Question 1299

neco 2004

The tropical rainforest region is characterized by the following EXCEPT

Aabundant grasses

Babundant rainfall

Cabundant trees and shrubs

Dhigh humidity

Elow temperature

View Explanation & Discuss

Question 1300

neco 2004

Reflex action is controlled by

Acerebellum

Bcerebrum

Cmedulla oblongata

Dolfactory lobe

Epineal body

View Explanation & Discuss

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