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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.

60 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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Past Questions

60 questions

Question 1 of 20 60 total questions

Question 11

waec 2004

Which of the following defines symbiosis?

Aparasites feed on dead organisms

Bboth organisms benefit mutually by living together

CSaprophytes feed on living organisms

Dorganisms serve as host to parasite

View Explanation & Discuss

Question 12

waec 2004

Which of the following features enables the tapeworm to live successfully in the small intestine of human?

AHook and suckers for strong attachment

BAlong neck for forming young proglottis

CThe absence of segmentation and appendages

DPossession of flame cells for excretion

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Question 13

waec 2004

The continuity of an ecosystem depends on constant flow
of energy and circulation of matter. However,
the amount of energy passed on from decomposers to
producers should be

Agreat

Bsmall

Creversible

Dzero

View Explanation & Discuss

Question 14

waec 2004

An importance of food web is that living organisms

Ause web to collect food

Bcan live on their own

Chave to form a web

Ddepend on one another for their existence

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Question 15

waec 2004

Which of the following are consumers in these food chains?

Amaize and rabbits

Bchicken, rats and maize

Ceagle, maize and snakes

Dhumans, eagle and snakes

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Question 16

waec 2004

Conservation of soil fertility employs crop rotation because

Acrops are allowed to grow at their own rates

Bit encourages the healthy growth of plants

Cit allows utilization of soil nutrients at different levels

Ddifferent crops grow at the same time

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Question 17

waec 2004

Which of the following is not essential in the studying of the ecological factors that directly affect plants?

Awind

Btemperature

Cherbivores

Dcarnivores

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Question 18

waec 2004

Biosphere is best described as

Aall parts of the earth where life exists

Bthe non-living parts of an ecosystem

Ca components of an ecosystem

Dall the members of a single species in a habitat

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Question 19

waec 2004

Which of the following teeth are well-developed to form the carnassial teeth of carnivorous mammals? The

Afirst lower premolar and third upper molar

Bfirst lower molar and third upper premolar

Csecond lower premolar and first lower molar

Dfirst lower molar and last upper premolar

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Question 20

waec 2004

The break-down of food in o simple, soluble and absorbable end-products is termed

Aabsorption

Bingestion

Cnutrition

Ddigestion

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Question 21

waec 2004

An organism is considered a heterotroph when it

Afeeds on inorganic food

Bfeeds on already manufactured food

Cfixes atmospheric nitrogen

Drespires anaerobically

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Question 22

waec 2004

The deficiency of vitamin D and calcium ions in the diet of a human causes

Aanaemia

Bnight-blindness

Ckwashiokor

Drickets

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Question 23

waec 2004

Which of the following is not true about a potted plant left in the laboratory for one week without watering?

Athe cells of the plant will be turgid

Bthere will be wilting of the plant

Cthe leaves are likely to tum yellow

Dplant will not take in enough nutrients

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Question 24

waec 2004

The deficiency of manganese in plants results in?

Adeath of shoot

Bleaves turning yellow

Cstunted growth

Dpoor root development

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Question 25

waec 2004

A solution which contains all the required elements in their correct proportions is known as a

Aculture nutrient

Bgrowth medium

Ccomplete culture solution

Dnutrient solution

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Question 26

waec 2004

Which of the following groups contains only macro-nutrients?

Aphosphorus, nitrogen and molybdenum

Bmanganese, copper and zinc

Cboron, sulphur and iron

Dcalcium, magnesium and potassium

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Question 27

waec 2004

The process by which fruits develop without fertilization is called

Aparthenocarpy

Bpathology

Chermaphroditism

Dlayering

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Question 28

waec 2004

The following insects undergo incomplete metamorphosis except

Atermite

Bcockroach

Cbutterfly

Dlocust

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Question 29

waec 2004

Which of the following occurs when a person looks at a distant, dim object and then looks
at a much closer, bright object? In each eye, the pupil becomes

Alarger, while the lens becomes thicker

Blarger, while the lens becomes thinner

Csmaller, while the lens becomes thicker

Dsmaller while the lens becomes thinner

View Explanation & Discuss

Question 30

waec 2004

The structure labelled VIII in the diagram is responsible for

Avision

Binvoluntary actions

Cspeech

Dvoluntary action

View Explanation & Discuss

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