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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.

2,572 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 881

jamb 1994

The activity of ptyalin is likely to decrease with an increase in concentration of

Aoxygen

Bstarch

Cprotein

Dacid

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Question 882

jamb 1994

The nitrifying bacteria, Nitrosomonas, convert ammonia to

Anitirites

Bnitric acid

Cniitrates

Dnitrous oxide

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Question 883

jamb 1994

The dental formula 13/3 c1/1 pm4/4 m2/3 is that of a

Agoat

Brabbit

Cman

Ddog

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Question 884

jamb 1994

The failure of transport and respiratory systems in plants as well as the presence of reddish colour in stems and leaves result from the deficiency of

Amagnesium

Bnitrogen

Cpotassium

Dphosphorus

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Question 885

jamb 1994

starch is usually stored in the part labelled

BII

CIII

DIv

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Question 886

jamb 1994

Which of the labelled parts allows for efficient absorption of water and minerals?

BII

CIII

DIV

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Question 887

jamb 1994

Which is the most important adaptation of a bony fish life in water?

AThe possession of a streamlined shape

BThe presence of overlapping scales

Cthe covering of the body by thin film of slime

DThe possession of a caudal fin

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Question 888

jamb 1994

Which of the following combinations differentiates a bony fish from a cartilaginous fish? I. Presence of gills II. Absence of gill slits III. Possession of bony skeleton IV. Possession of laterally compressed body V. Possession of dorso-ventrally compressed body

AI, II and III

BI, III and IV

CII, III and IV

DII, III and V

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Question 889

jamb 1994

In Amoeba, osmoregulation is carried out by the

Apseudopodium

Bfood vacuole

Ccontractile vacuole

Dnucleus

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Question 890

jamb 1994

Which is the correct order in an evolutionary sequence for the following plants groups?

ABacteria → ferns → algae → mosses → seed plants

BBacteria → ferns → mosses → algae → seed plants

CBacteria → algae → mosses → ferns → seed plants

DBacteria → mosses → algae → ferns → seed plants

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Question 891

jamb 1994

The soil swallowed by the earthworm to form the worm cast is grouped up in the

Aclitellum

Bprotomium

Cmouth

Dgizzard

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Question 892

jamb 1994

Green plants are distinguished from other living organisms by their ability to

Amake use of water

Bmake use of oxygen

Crespond to sunlight

Dmanufactured their own food

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Question 893

jamb 1994

The smallest living organism which share the characteristics of both living and non-living matter are

Abacteria

Bfungi

Cviruses

Dprotozoa

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Question 894

jamb 1994

The membrane surrounding the vacuole in a plant cell is called the

Aplasmalemma

Btonoplast

Cnuclear membrane

Dendoplasmic reticulum

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Question 895

jamb 1993

After circulation in the lungs, the blood returns to the left auricle through

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Question 896

jamb 1993

Blood is pumped into the right ventricle by the contraction of the auricle wall through

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Question 897

jamb 1993

Stage 3 breathes

Awith the lungs

Bwith the external gills

Cwith the internal gills

Dthrough the skin

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Question 898

jamb 1993

Which of the following is the correct order of the developmental stages?

A1->2->3->4->5

B5->1->3->2->4

C2->1->3->4->5

D5->3->2->1->4

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Question 899

jamb 1993

Which of the following organisms has lost the pentadactyl limb structure?

ABat

BFish

CFrog

DPigeon

View Explanation & Discuss

Question 900

jamb 1993

Cold blooded animals are referred to as

Apoikilothermic

Bhomothermic

Cpolythermic

Dhomeostatic

View Explanation & Discuss

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