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Biology Past Questions

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Past Questions

50 questions

Question 1 of 20 50 total questions

Question 11

jamb 1994

Which of the following sets is made up of decomposers?

ARhizophus, earthworm and protozoa

BMushroom, rhizophus and bacteria

CBacteria, earthworm and nematodes

Dearthworm, sedges and platyhelminthes

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Question 12

jamb 1994

Use the list of ecological constituents below to answer the question below
1. Mango 2. Spear grass 3. Goat 4. Sheep 5. Temperature 6. Beans 7. Rock 8. Water
The physical factors are represented by

A1, 5, 6

B4, 5, 7

C5, 7, 8

D6, 7, 8

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Question 13

jamb 1994

Use the list of ecological constituents below to answer the question below
1. Mango 2. Spear grass 3. Goat 4. Sheep 5. Temperature 6. Beans 7. Rock 8. Water
Items 1-4 can be regarded as

Aa population

Ba community

Can ecosystem

Da niche

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Question 14

jamb 1994

The part of the brain that controls heart beat and breathing is the

Aolfactory lobe

Bcerebellum

Ccerebral hemisphere

Dmedulla oblongata

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Question 15

jamb 1994

The graph above shows the relationship between the body and atmospheric temperature for dog and lizard.

What is the most appropriate deduction that could be made from the graph?

ALizards are more likely to survive hazards than dogs

BBoth animals maintain a constant body temperature

CThe dog's body temperature is independent of the external temperature

DThe lizard's body temperature varies with that of the dog

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Question 16

jamb 1994

When a short-sighted person views a distant object without spectacles, the image is formed

Aon the retina

Bin front of the retina

Cbehind the retina

Don the blind spot

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Question 17

jamb 1994

The fleshy base of a flower to which the different floral parts are attached is known as

Acalyx

Bsepals

CReceptacle

Dhypothalamus

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Question 18

jamb 1994

In animals, meiosis comes

Aafter fertilization

Bafter ever mitotic division

Cbefore fertilization

Dbefore every mitotic division

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Question 19

jamb 1994

THe neural arch is labelled

BII

CIII

DIV

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Question 20

jamb 1994

The vertebra illustrated is

Alumbar

Bthoracic

Ccaudal

Dcervical

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Question 21

jamb 1994

Which of the following waste products in plants is excreted through the stomata and lenticels?

ACarbondioxide

BAlkaloids

CTannins

DAnthocyanins

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Question 22

jamb 1994

A circulatory system that does not allow mixing of oxygenated and de-oxygenated blood in mammalian heart is referred to as

Aopen

Bhaemocoelic

Csingle

Dclosed

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Question 23

jamb 1994

The part labelled j is called

Aporosimeter

Bpotometer

Cmanometer

Dauxanometer

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Question 24

jamb 1994

The most appropriate title for the set up is

Aquantitative measurement of respiration in plants and animals

Bmeasurement of respiratory rates in living organisms

Ccomparison between photosynthesis and respiration

Dcomparison of respiratory rates in plants and animals

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Question 25

jamb 1994

The process by which a red blood cell placed in distilled water absorbs water until it burst and releases its contents into the surrounding is known as

Aosmosis

Bplasmolysis

Cturgidity

Dhaemolysis

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Question 26

jamb 1994

The phloem parenchyma is sometimes used for

Afood storage

Bsupporting the stem

Cproduction of the sieve tube

Dtransporting water

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Question 27

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 28

jamb 1994

The nitrifying bacteria, Nitrosomonas, convert ammonia to

Anitirites

Bnitric acid

Cniitrates

Dnitrous oxide

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Question 29

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 30

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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