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Biology Past Questions

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90 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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Past Questions

90 questions

Question 1 of 20 90 total questions

Question 11

waec 2020

The table below shows the number of some organisms in habitats W and Y. Study it to answer the question below;

Organism	Number in the habitat
	habitat W	habitat Y
Plankton	126	0
Antelope	0	51
Water flea	10	0
Tilapia	23	0
Lion	0	6
Frog	6	0
Grass	0	250

The number of lions and antelops in habitat Y shows that the lion

Ais the prey while the antelope is the predator

Bis the predator while the antelope is the prey

Cand the antelope are preys to each other

Dand the antelopes are predators

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Question 12

waec 2020

The table below shows the number of some organisms in habitats W and Y. Study it to answer the question below;

Organism	Number in the habitat
	habitat W	habitat Y
Plankton	126	0
Antelope	0	51
Water flea	10	0
Tilapia	23	0
Lion	0	6
Frog	6	0
Grass	0	250

Which of the following statements about habitat W is correct? The

Aabsence of lions and antelopes shows that the habitat is terrestrial

Bpresence of Tilapia and planktons shows that the habitat is not aquatic

Ctype of organisms present indicate that habitat is aquatic

Dabsence of grasses indicates that the habitat is terrestrial

View Explanation & Discuss

Question 13

waec 2020

The table below shows the number of some organisms in habitats W and Y. Study it to answer the question below;

Organism	Number in the habitat
	habitat W	habitat Y
Plankton	126	0
Antelope	0	51
Water flea	10	0
Tilapia	23	0
Lion	0	6
Frog	6	0
Grass	0	250

What type of habitat is W?

ARainforest

BPond

CDesert

DOcean

View Explanation & Discuss

Question 14

waec 2020

The mutualism type of relationship is different from a parasitic relationship because in mutualism

Aboth organisms involved benefit

Bnone of the organisms benefits or harm each other

Cboth organisms harm each other

Donly one of the organisms is harmed

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Question 15

waec 2020

Which of the following statements about a mixture of a protein-digesting enzyme and starch solution would be correct? The protein-digesting enzyme

Ahas no effect on the starch solution

Bleads to the production of amino acids

Cleads to the production of glucose

Ddigest the starch

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Question 16

waec 2020

An example of a trace elements is

Apotassium

Bcalcium

Cmagnesium

Dcopper

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Question 17

waec 2020

The first stable product of photosynthesis is

Astarch

Bfructose

Cglucose

Dsucrose

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Question 18

waec 2020

Oxygen comes out of the stomata during photosynthesis through the process known as

Adiffusion

Btranspiration pull

Cosmosis

Dactive transport

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Question 19

waec 2020

The reagent used in testing for carbon (IV) oxide is

Acopper sulphate solution

Blime water

Chydrochloric acid

Dsodium hydroxide solution

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Question 20

waec 2020

The diagram below is an illustration of a part of a flower. Study it and answer the question below.

The diagram is an illustration of a part of a flower. Study it and answer the... - Myschool

The part labeled II is the

Aunfused stigma

Bfused style

Cfused ovaries

Dunfused anther

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Question 21

waec 2020

The diagram is an illustration of a part of a flower. Study it and answer the question below;

The function of the part labeled I is

Areceiving the pollen grain

Battract pollinators

Cgermination of the pollen grain

Dsite for double fertilization in the plant

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Question 22

waec 2020

What happens when the ciliary muscles of the eye contract? The

Alens become more concave

Blens become more convex

Clens gets a longer focal length

Dsuspensory ligament becomes tight

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Question 23

waec 2020

The part of the central nervous system that controls unconscious actions in humans is the

Acerebellum

Bcerebrum

Cspinal cord

Doptic nerves

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Question 24

waec 2020

The properties of endocrine system include the following except

Asecretion of hormones

Btransportation by blood to target organ

Chaving specific effect

Drelease of secretion into ducts

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Question 25

waec 2020

The part of the mammalian kidney that stores urine is the

Acapsule

Bmedulla

Cpelvis

Dbladder

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Question 26

waec 2020

The excretory product of some reptiles, birds and insects is

Aurea

Burine

Cammonia

Duric acid

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Question 27

waec 2020

The respiratory organ of a cockroach

Aair sac

Btrachea

Clung book

Dlung

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Question 28

waec 2020

The diagram above is an illustration of an experimental setup. Study it and answer the question below;

The setup can measure comparatively the rate of

Aevaporation from leaves on a single shoot under different experimental conditions

Bsalt uptake by shoots from different plants

Ctranspiration of a single shoot of a plant under different experimental conditions

Dwater uptake by roots of different plants

View Explanation & Discuss

Question 29

waec 2020

The diagram is an illustration of an experimental set-up. Study it and answer the question;

The set-up directly measure

Atranspiration of water by the shoot

Bevaporation of water from the leaves

Cabsorption of water by the shoot

Dloss of mineral salts from the leaves

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Question 30

waec 2020

Which of the following tissues does not provide support in flowering plants?

ACollenchyma

BParenchyma

CXylem

DPhloem

View Explanation & Discuss

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