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Biology Past Questions

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Past Questions

5,032 questions

Question 1 of 20 5,032 total questions

Question 2181

waec 1989

The piece of bone represented in the diagram is found in the

Apelvic region

Bpectoral girdle

Cvertebral column

Dskull

Ethoracic region

View Explanation & Discuss

Question 2182

waec 1989

The upward movement of the sap in the xylem vessel is brought about by

Atranspiration stream

Bguttation

Ccapillarity

Dosmosis

Ecohesion.

View Explanation & Discuss

Question 2183

waec 1989

The loss of water vapour through the aerial parts of the plant to the atmosphere is called

Arespiration

Bguttation

Cosmoregulation

Dtranspiration

Ediffusion.

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Question 2184

waec 1989

The part through which manufactured sugar is transported is labeled

BIII

CIV

DVII

EVI

View Explanation & Discuss

Question 2185

waec 1989

The xylem is labelled

AII

BIV

DVI

EVII

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Question 2186

waec 1989

The pilaferous layers is labelled

BII

CIII

DIV

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Question 2187

waec 1989

In which of the following is cilia not associated with movement or transport of materials?

AFallopian tube funnel

BEctoplasm of paramecium

CLining of the mammalian trachea

DMammalian alimentary canal

EOral groove of paramecium.

View Explanation & Discuss

Question 2188

waec 1989

Blood in mammals transports oxygen because it contains the pigment called

Ahaemoglobin

Bchlorocruorin

Cmelanin

Dhaemocyanin

Ehaemoerythrin.

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Question 2189

waec 1989

Which of the following is the function of the hormone in the lslets of Langerhans?

Ais used in protein metabolism

Bis involved in sugar synthesis

Caids the rate at which glucose is converted to glycogen

Dcontrols the fluid content of the body

Eplays a role in the pH balance of the body fluid

View Explanation & Discuss

Question 2190

waec 1989

Which of the following is the correct route for the movement of materials through the kidney?

AGlomerulus → Bowman’s capsule → Loop of Henle → Collecting tubule → Pelvis

BGlomerulus → Loop of Henle → Collecting tubule → Bowman’s capsule → Pelvis

CPelvis → Bowman’s capsule → Glomerulus →Loop of Henle → Collecting tubule

DBowman’s capsule → Glomerulus → Loop of Henle → Collecting tubule → Pelvis

EBowman’s capsule → Loop of Henle →Glomerulus → Collecting tubule → Pelvis

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Question 2191

waec 1989

Which of the following statements is not true of osmotic process?

AThere must be a selectively permeable membrane

BThe two solutions must be of different concentrations initially

Ct involves only the movement of water molecules

DEquilibrium is reached when there is equal distribution of water molecules

E. The two solutions are of equal concentration at the beginning of experiment.

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Question 2192

waec 1989

Four cells with osmotic potential equivalent to that of 3% salt solution were immersed respectively in solutions
of different concentrations labeled as follows: I = 4% salt solution; II = 6% salt solution III = 1% salt solution;
IV = 10% salt solution; V = 5% salt solution. Which of the solutions will cause an increase in osmotic
pressure within the cell?

BII

CIII

DIV

View Explanation & Discuss

Question 2193

waec 1989

Which of the following constitutes the main internal tissue of a leaf?

ACuticle

BMesophyll

CVascular tissue

DLower epidermis

EUpper epidermis

View Explanation & Discuss

Question 2194

waec 1989

Which of the following is not likely to be found in the cell of a ripe tomato fruit?

Aplastids

BChlorophyll

CCellulose cell wall

DMitochondrion

EMineral salts

View Explanation & Discuss

Question 2195

waec 1989

The cell membrane consists of

Acarbohydrates and lipids

Bvitamins and proteins

Clipids and proteins

Dwater and sugar

Estarch and cellulose

View Explanation & Discuss

Question 2196

waec 1989

Which of the following is not true of the nucleus of a living cell? It contains

Achromosome

BNucleolus

Cnucleoplasm

Dchromatids

Eribosomes

View Explanation & Discuss

Question 2197

waec 1989

Which of the following organelles is used for locomotion in Paramecium?

Apseudopodium

BTrchocyst

CCilium

Dpellicle

EContractile vacuole

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Question 2198

waec 1989

Below is a list of the levels of organization in organisms. i. Tissue ii. System iii.Cell iv. Organ

The correct sequence of the levels in an increasing order of complexity is

AI,II,III

BIII, I, IV, II

Clll, IV, l, ll

DlV, lll, I, ll

EIV, l, ll, lll

View Explanation & Discuss

Question 2199

waec 1989

The part labelled II is made up of

Acarbohydrates

Bcontractile vacuole

Cwaste materials

Dprotein materials

Efood particles

View Explanation & Discuss

Question 2200

waec 1989

Excretion is carried out through the structure labelled

BIII

CIV

EVI

View Explanation & Discuss

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