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Biology Past Questions

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5,032 questions

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Question 1481

jamb 2002

In his theory of evolution, Darwin implied that

Athe struggle for existence among living organisms is sporadic

Bthe most successful organisms are those that best adapt to their environment

Corgans of the body which are not regularly used by an organism will disappear

Dany traits acquired by an organism during its lifetime can be passed on its offspring

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Question 1482

jamb 2002

In a population study using the transect method, a student is likely to record the highest number of species in?

Aa tropical rain forest

Ba guinea savanna

Ca sahel savanna

Dan estuarine swamp

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Question 1483

jamb 2002

The excessive use of agro-chemicals could lead to the pollution of

Athe lithosphere

Bthe atmosphere

Cfresh water

Dspace

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Question 1484

jamb 2002

The addition of lime to clayed soil serves to

Aaid water retention

Bclose up the texture

Cprevent water logging

Dimprove capillary action

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Question 1485

jamb 2002

The supporting tissue in xylem is most poorly developed in

Amangrove swamp plants

Bgrassland plants

Csubmerged water plants

Ddesert plants

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Question 1486

jamb 2002

In a field experiment, the frequency of water leaf was observed to be 48 after 20 tosses of a 2m\(^2\) quadrat. What is the density of the plants in the field?

A1.2 per m²

B2.4 per m²

C4.8 per m²

D9.6 per m²

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Question 1487

jamb 2002

A step in the movement of energy through an ecosystem is a description that best fits the term

Afood chain

Btrophic level

Cpyramid of numbers

Dfood web

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Question 1488

jamb 2002

The physical and climatic factors of a region primarily determine the

Akinds of animal inhabiting the area

Btypes of plants found in the area

Cnature of the soil in that region

Dcommunity of organisms in the region

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Question 1489

jamb 2002

Plants tend to prevent overcrowding by means of efficient

Awater uptake

Bseed germination

Cpollination

Dseed dispersal

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Question 1490

jamb 2002

The most common means of transmiting the Acquired Immune Deficiency Syndrome (AIDS) is

Afrom mother to child

Bthrough blood transfusion

Cthrough sexual intercourse

Dthrough the sharing of needles

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Question 1491

jamb 2002

The community of plants in which the same species occur from year to year is the

Aannual species

Bpioneer vegetation

Cperennial species

Dclimax vegetation

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Question 1492

jamb 2002

one of the adaptation of life on trees by a monkey is its possession of digits which are

Aextensible

Bbig

Copposable

Dlong

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Question 1493

jamb 2002

Example of competitors are

Alizard and mouse

Bsnake and lizard

Cgrasshopper and mouse

Drabbit and snake

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Question 1494

jamb 2002

In the diagram, the hawk is

Aan omnivore

Ba primary consumer

Ca tertiary onsumer

Da scavenger

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Question 1495

jamb 2002

A flower that has both stamens and pistils is said to be

Astaminate

Bpistillate

Cperfect

Dimperfect

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Question 1496

jamb 2002

The structure found only in the plant cells are

Acell membrane and cytoplasm

Bchromatin and nucleolus

Ccell wall and chloroplast

Dcell membrane and lysosome

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Question 1497

jamb 2002

When oil is poured into the breeding site of mosquitoes, it

Adeprives the larvae of water

Bkills the adults

Csuffocates the pupae

Dslows doen egg development

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Question 1498

jamb 2002

The animals that move by means of flagella include

AChlamydomonas and Euglena

BPlaneria and Amoeba

CAmoeba and Hydra

DParamecium and Planeria

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Question 1499

jamb 2002

In corms, food is usually stored in the

Aleaves

Bstems

Croots

Dbuds

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Question 1500

jamb 2002

An amoeba and an unlaid chicken egg are

Aanial tissue

Borganelles

Csingle cell

Dorganisms

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