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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.

50 questions JAMB 2572 WAEC 2099 NECO 351 CUSTOM 10
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Past Questions

50 questions
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Question 1 of 20 50 total questions
Question 11
jamb 1992

The grand period of growth is represented by

AN
BM
CL
DK
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Question 12
jamb 1992
Which part of the curve represents the fastest rate of growth?
AK
BL
CM
DN
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Question 13
jamb 1992
Fruits which develop without fertilization of the ovule are
Afalse
Bmultiple
Caggrgate
Dparthenocarpic
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Question 14
jamb 1992
Hypogeal germination is characterized by the
Aemergency of the plumule out of the ground
Bprovision of nourishment by the endosperm
Celongation of the hypocotyl
Delongation of the epicotyl
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Question 15
jamb 1992
In mammalian development, the function of the yolk is to
Asupply nutrients to the embryo
Bact as the shock-absorber to the foetus
Csupply air to the embryo
Dfacilitates the process of excretion in the foetus
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Question 16
jamb 1992
Double fertilization in higher plants is significant because it ensures the
Aformation of a fertile embryo
Bformation of a fertile embryo and the endosperm
Cdevelopement of the seed
Ddevelopement of the fruit
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Question 17
jamb 1992

The function of the part labelled 1 is to

Asecrete a fluid which lubricates the joint
Battach muscles to the bones at the joint
Cbend the bones at the joint
Dhold the joint in place
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Question 18
jamb 1992
The part labelled 3 is the
Acartilage
Bligament
Csynovial fluid
Dbone
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Question 19
jamb 1992
Which enzymes are contained in the pancreatic juice?
APtayalin, lipase and pepsin
BMaltase, erepsin and trypsin
CRenin, sucrase and lipase
DAmylase, lipase and trypsin
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Question 20
jamb 1992
The bone of the neck on which the skull rests is known as the
Aodontoid process
Baxis
Catlas
Doccipital condyle
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Question 21
jamb 1992
Melanin and keratin are produced in the part labelled
A2
B3
C4
D5
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Question 22
jamb 1992
The structure labelled 5 is the
Asweat gland
Bsebaceous gland
Cblood vessel
Dnerve fibre
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Question 23
jamb 1992
The excretory organ in insects is the
Akidney
Bmalpighian tubule
Cflame cell
Dnephridium
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Question 24
jamb 1992
In the absence of oxygen, the pyruvic acid produced during glycolysis is converted to CO2 and
Awater
Bglycerol
Cethanol
Dcitric acid
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Question 25
jamb 1992
Gaseous exchange in Aves occurs in the
Atracheoles
Bbronchi
Cair sacs
Dtrachea
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Question 26
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
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Question 27
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 28
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 29
jamb 1992
Fungi are heterotropic because they
Ahave no leaves
Black roots
Care filamentous
Dlack chlorophyll
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Question 30
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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