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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
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Question 1 of 20 2,572 total questions
Question 931
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
View Explanation & Discuss
Question 932
jamb 1992
The major site of photosynthesis in the leaf is the
Apalisade parenchyma
Bmesophyll parenchyma
Cupper epidermis
Dlower epidermis
View Explanation & Discuss
Question 933
jamb 1992
Fungi are heterotropic because they
Ahave no leaves
Black roots
Care filamentous
Dlack chlorophyll
View Explanation & Discuss
Question 934
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
View Explanation & Discuss
Question 935
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
View Explanation & Discuss
Question 936
jamb 1992
Which of the following insects undergoes incomplete metamorphosis?
AMosquito
BTermite
CHousefly
DMoth
View Explanation & Discuss
Question 937
jamb 1992
The structure labelled Y is the
Afood vacuole
Bnucleolous
Cmacronucleus
Dcontractile vacuole
View Explanation & Discuss
Question 938
jamb 1992

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

Aoesophagus
Btrachea
Cstomach
Dintestine
View Explanation & Discuss
Question 939
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
View Explanation & Discuss
Question 940
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 941
jamb 1992
A major difference between platyhelminthees and coelenterates is that platyhelminthes
Aare multicellular
Bhave developed a mesoderm
Creproduce sexually
Dreproduce asexually
View Explanation & Discuss
Question 942
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 943
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
View Explanation & Discuss
Question 944
jamb 1992
The organelle involved in tissue respiration is the
Aendoplasmic reticulum
Bribosome
Cgolgi body
Dmitochondrion
View Explanation & Discuss
Question 945
jamb 1991

The gland which produces trypsin, amylase and lipase is labeled?

A6
B4
C2
D1
View Explanation & Discuss
Question 946
jamb 1991

In the digestive system, absorption of nutrient into the blood takes place in the part labeled?

A1
B2
C3
D4
View Explanation & Discuss
Question 947
jamb 1991
As the tadpole develops, the structure labelled 5
Agrows longer
Bbecomes shorter
Cbecomes the hind legs
Dremains unchanged
View Explanation & Discuss
Question 948
jamb 1991

The structure labelled 4 is for

Afeeding
Battachment
Cexcretion
Drespiration
View Explanation & Discuss
Question 949
jamb 1991
Nitrogen- fixing micro-organisms in leguminous plants live symbiotically in the
Aroot nodules
Btap root
Cbranch roots
Droot hairs
View Explanation & Discuss
Question 950
jamb 1991
Fertilizers are lost from the soil through
Asheet erosion and evaporation
Bleaching, underground seepages and run-off
Csheet erosion, gully erosion and wind erosion
Dwind erosion and heavy rainfall
View Explanation & Discuss
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