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Biology Past Questions

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5,032 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10

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Past Questions

5,032 questions

Question 1 of 20 5,032 total questions

Question 2041

jamb 1992

Gaseous exchange in Aves occurs in the

Atracheoles

Bbronchi

Cair sacs

Dtrachea

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Question 2042

jamb 1992

The blood vessel which carries blood from the alimentary canal to the liver is the

Ahepatic artery

Bhepatic vein

Chepatic portal vein

Dmesenteric artery

View Explanation & Discuss

Question 2043

jamb 1992

5 cm³ dilute sodium hydroxide solution and 5 cm³ one percent copper sulphate solution are added to a solution of food specimen. The purple colour which is observed shows the presence of

Aglucose

Bstarch

Cfat

Dprotein

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Question 2044

jamb 1992

The major site of photosynthesis in the leaf is the

Apalisade parenchyma

Bmesophyll parenchyma

Cupper epidermis

Dlower epidermis

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Question 2045

jamb 1992

Fungi are heterotropic because they

Ahave no leaves

Black roots

Care filamentous

Dlack chlorophyll

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Question 2046

jamb 1992

The flow of air and water in or out of the mesophyll layer of a leaf is controlled by the

Astomata

Blenticels

Cair space

Dguard cell

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Question 2047

jamb 1992

An onion is a bulb because it

Ahas a tuberous stem

Bhas a reduced stem and thick fleshy leaves

Chas adventitous roots

Dbears many buds at the nodes

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Question 2048

jamb 1992

Which of the following insects undergoes incomplete metamorphosis?

AMosquito

BTermite

CHousefly

DMoth

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Question 2049

jamb 1992

The structure labelled Y is the

Afood vacuole

Bnucleolous

Cmacronucleus

Dcontractile vacuole

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Question 2050

jamb 1992

The structure labelled X is used by the organism in the same way as man uses his?

Aoesophagus

Btrachea

Cstomach

Dintestine

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Question 2051

jamb 1992

The flowering period of plants in a habitat is determined by the

Aduration of sunlight

Bintensity and duration of rainfall

Crelative humidity of the atmosphere

Dtemperature of the habitat

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Question 2052

jamb 1992

The essential structural difference between hydra and tapeworm is that while Hydra

Ahas tentacles, tapeworm is parasitic

Bis diploblastic, tapeworm is triplobastic

Chas a mouth, tapeworm feeds by suckers

Dhas mesoderm, tapeworm has mesogloea

View Explanation & Discuss

Question 2053

jamb 1992

A major difference between platyhelminthees and coelenterates is that platyhelminthes

Aare multicellular

Bhave developed a mesoderm

Creproduce sexually

Dreproduce asexually

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Question 2054

jamb 1992

Which of the following correctly summarizes the life cycle of fern plant?

ASpore → prothallus → thallus → sporangium

BMale and female gamentangia → zygospores → sporangium → spores

CSpore → thallus → spermatozoa + ovum → sporangium

DProthallus → spermatozoid → +egg cell → leafy plant → sporangium → spore

View Explanation & Discuss

Question 2055

jamb 1992

A tissue can best be defined as

Aan aggregate of similar cells

Ban aggregate of cells performing a similar function

Can aggregate of similar cells performing the same function

Da mixture of different cells types performing the same function

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Question 2056

jamb 1992

The organelle involved in tissue respiration is the

Aendoplasmic reticulum

Bribosome

Cgolgi body

Dmitochondrion

View Explanation & Discuss

Question 2057

waec 1991

Which of the following statements best explains the meaning of homologous chromosomes?

AProduct of division of chromosomes

Btwo identical chromosomes from each parent

Cchromosome arranged on spindle fibre during cell division

Dchromosome arranged on the equatorial plate of the cell

EDaughter chromatide in the first melotic division

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Question 2058

waec 1991

In an individual who is heterozygous for a particular character, the hereditary factor that is always expressed is described as

Aallele

Bsickle-cell gene

Cdominant gene

Dchromosome

Esex-linked character

View Explanation & Discuss

Question 2059

waec 1991

The wing of a bat and that of a bird, the flippers of a whale and the fins of s fish are example of?

Aadaptive radiation

Bvestigial structures

Ccontinuous variation

Dconvergent evolution

Edivergent evolution

View Explanation & Discuss

Question 2060

waec 1991

who formulated the theory of natural selection in evolution?

ALouis pasteur

BRobert Hooke

CJean Lamarck

DMathias Schlieden

ECharles Darwin

View Explanation & Discuss

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