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.

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

2,572 questions
Question 1 of 20 2,572 total questions
Question 241
jamb 2019

Which of the following essential substance is contained in vegetable?

AChlorophyll
BGlucose
CMineral Salts
DCarbon dioxide
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Question 242
jamb 2019

Which of the following juices contains the enzyme ptyalin?

AGastric juice
BSuccus
CPancreatic juice
DSaliva
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Question 243
jamb 2019

Possession of thin membrane enables a tapeworm to

AFasten themselves to the wall of the host's intestine
BLay numerous eggs
CAbsorb digested food from the host's intestine to their system
DShield themselves inside the host's intestine with anti-enzymes in order to avoid being digested
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Question 244
jamb 2019

The presence of ______ for swimming in a tad-pole enables it to adapt in an aquatic habitat.

AGills
BSwim bladder
CTail
DFins
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Question 245
jamb 2019

Plants which can survive in extremely dry places are called

AMesophytes
BXerophytes
CHydrophytes
DAngiosperms
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Question 246
jamb 2019

Only specially adapted micro-organisms are found in

ASalty water
BHumid air
CMoist soil
DMouth cavities
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Question 247
jamb 2019

Which of the following is the effect of using artificial pollination in plant breeding?

AProduction of healthy crops
BLengthening the maturity time of crops
CMaking crops susceptible to disease
DImprovement of the variety of crops
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Question 248
jamb 2019

Which of the following is a nitrifying bacterium?

ARhizobium
BNictrobacter
CAzotobacter
DPseudomonas
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Question 249
jamb 2019

The study of an individual organism or a single species of organism and its environment is

AAutecology
BEcological concepts
CSynecology
DBiotic composers
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Question 250
jamb 2019

Which of the following pairs of scientists discovered the Rhesus factor in human blood?

AHooke and Lavine
BDarwin and Landsteiner
CLandsteiner and Lavine
DHooke and Darwin
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Question 251
jamb 2019

Which of the following substances has the highest amount of energy in joules per unit weight?

ACarbohydrates
BFats
CProteins
DVitamins
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Question 252
jamb 2019

In natural selection, Darwin proposed that evolution occurred because of the following conditions except

Athat nature selects those that will survive to reproduce their kind
Bthere is a fierce competition among the offspring
Cthat the weaker offspring are eliminated
Dfood and other needs are abundant
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Question 253
jamb 2019

Competition among individuals of a population increases the

ANumber of organisms
BAvailability of nutrient supplied
CSurvival of the fittest
DEnlargement of the territory
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Question 254
jamb 2019

Trees in Savanna habitats usually have thick bark which mainly.

AReduces the rate of transpiration
BProtect them from scorching sun
CProtect them from heavy winds
DResist bush fires
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Question 255
jamb 2019

Which of the following substances pass through the root cell membrane by osmosis?

ACeil sap
BCarbon dioxide
COxygen
DWater
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Question 256
jamb 2019

Rabbits cannot survive in an aquatic habitat because they have

Afore and hind limbs
Bno gills
Cno fins
Dno scales
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Question 257
jamb 2019

Which of the following type of soil has the highest water retaining capacity?

ALoam
BLaterite
CClay
DSand
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Question 258
jamb 2019

Which of the following is an example of discontinuous variation?

AThe range in height of a pea plant from 30cm to 50cm
BOffsprings including two male cats and three female cats
CThe colour of pear plants grown in the dark
DThe adult body weight ranging from 50kg to 95kg
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Question 259
jamb 2019

In plants, respiration occurs in

AThe stomata and lenticel only
BMesophyll cells only
CAll living cells
DThe root only
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Question 260
jamb 2019

The specific portion of a habitat which is occupied by a particular species is referred to as

AEcological population
BEcological niche
CBiotic community
DEcosystem
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