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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.

2,099 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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2,099 questions

Question 1 of 20 2,099 total questions

Question 571

waec 2004

Which of the following methods is best for the determination of population density of Tridax in an open held?

Atransect

Bquadrat

CSweep-net

Dpit-fall

View Explanation & Discuss

Question 572

waec 2004

When a farmer sprays crops with a pesticide, the pesticide becomes

Apoisonous to all plants

Bis broken down by soil algae

Ceasily washed down into lakes and rivers

Dabsorbed by bodies of mammals

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Question 573

waec 2004

Plants found in the aquatic habitat are generally referred to as

Aepiphytes

Bhalophytes

Cxerophytes

Dhydrophytes

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Question 574

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

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Question 575

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 576

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

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Question 577

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 578

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 579

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 580

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 581

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 582

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 583

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 584

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 585

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 586

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 587

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 588

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 589

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

View Explanation & Discuss

Question 590

waec 2004

The process by which fruits develop without fertilization is called

Aparthenocarpy

Bpathology

Chermaphroditism

Dlayering

View Explanation & Discuss

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