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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 10 50 total questions
Question 21
jamb 1983
The kidneys of all vertebrates act as osmoregulators. This means that they
Akeep the composition of the plasma constant
Bregulate osmotic processes
Ccontrol the volume of blood entering the kidneys
Ddecrease the osmotic pressure of the blood
Eincrease the osmotic pressure of blood
View Explanation & Discuss
Question 22
jamb 1983
Which of the following substance is not found in urine?
AWater
BSodium chloride
CNitrogenous compounds
DCalcium chloride
ENitrogenous salts
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Question 23
jamb 1983

In woody plants, grass and water vapour are transported across the stems by the

Axylem fibres
Bmedullary rays
Csieve tubes
Dphloem fibres
Ephloem parenchyma
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Question 24
jamb 1983
Which of the following statements is NOT true of mammalian erythrocytes?
AThey have haemoglobin
Bthey appear yellow when looked at singly
CThey are disc shaped
DThe cell are more numerous than leucocytes
EThey have nuclei at maturity
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Question 25
jamb 1983
Which of the following elements are necessary for the formation of chlorophyll in a plant?
Amagnesium and iron
BCalcium and potassium
CCalcium and sulphur
DPotasium and sulphur
EPhosphorus and potassium
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Question 26
jamb 1983

If an organic compound has its hydrogen: oxygen ratio as 2:1, it is likely to be

Aa protein
Ba cabohydrate
Ca fat
Da fatty acid and glycerol
Ean amino acid
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Question 27
jamb 1983
Herbs differ from shrubs because they
Ado not produce fruit
Bare useful to herbalist
Cdo not become woody
Dare only annual
Eare only perennials
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Question 28
jamb 1983
Which of the following structure is NOT found in the female agama lizard?
APre-anal pads
BEardrum
CGular fold
DNasal scale
ENuchal crest
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Question 29
jamb 1983
In a dicot leaf, guard cells differ from other epidermal cells because they
Ahave no definite shape
Black nuclei
Care smaller
Dcontain chloroplast
Elack vacuole
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Question 30
jamb 1983
Root hairs are developed from the
Aroot apex
Bepidermis of root
Cvascular bundles
Dendodermis
Epericycle
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