JAMB COMPUTER BASED TEST

Biology ⇒ Biology JAMB UTME Past QuestionsViews: 6008

Biology JAMB UTME Past Questions

See Full JAMB UTME BIOLOGY Past Question [PDF]

1. In adicot leaf,guardcellsdiffer fromother
epidermal cells because they
A. have no definite shape B.lacknuclei
C. aresmaller D. containchloroplasts E.lackvacuole.
2. Which ofthe following structuresis NOTfound in the
femaleagamalizard?
A. Pre-anal pads B. Eardrum C. Gularfold
D. Nasalscale E. Nuchalcrest.
3. Herbs differ from shrubs because they
A. donot produce fruits B. are useful to herbalists
C. donot become woody D. are onlyannuals E. are
onlyperennials.
4. Ifan isolatedlivingcellisleftin distilledwater fortwo
hours,itislikelyto
A. lose some ofits water to the surrounding water
B. loseall ofitswater to the surroundingwater
C. reproduce bybinaryfission D. becomemore turgid.
E. die duetoexcesswater
5. Which ofthe following elements are necessaryfor the
formationofchlorophyll ina plant?
A. Magnesiumandiron B. Calciumandpotassium
C. Calciumandsulphur D. Potassiumandsulphur
E. Phosphorus and potassium.
6. Which ofthefollowing statementsisNOTtrue of
mammalianerythrocytes?
A. Theyhave haemoglobin B. Theyappear yellow
when lookedatsingly C. Theyare disc-shaped
D. Thecells aremore numerousthan leucocytes
E.Theyhavenucleiatmaturity.
7. In woody plants, gases and water vapour are
transported across the stems by the
A.xylemfibres B.medullaryfibres C.medullaryrays
D.phloemfibresE.phloemparenchyma.
8. Which of the following substancesis NOTfound in
urine?
A.WaterB.SodiumchlorideC. Nitrogenouscompounds
D.CalciumchlorideE.Nitrogenoussalts.
9. The kidneys of all vertebrates act as osmo
regulators. This meansthat they
A. keep the composition ofthe plasma constant
B.regulate osmoticprocesses C. Controlthe volume of
blood entering the kidneys D. decrease the osmotic
pressure of blood E. increase the osmotic pressure of
blood.
10. The movement of part of a plant in response to
externalstimulus of no particular direction is
A. taxism B. tropism C haptotropicmovement
D nastic movement E. phototropism
11. The part of the mammalian brain responsible for
maintaining balance isthe
A. medulla oblongata B. olfactory lobe
C.cerebellum, D.cerebrum E.frontallobe.


See Full JAMB UTME BIOLOGY Past Question [PDF]

Started by: Prodigy on Mar 24, 2017

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