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.
For pollen to be released in Crotalaria the insect must depress the
Awing
Bkeel
Cstandard
Dantepetalous stamen
Eantesepalous stamen
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Question 12
jamb1985
If a flower is protandrous then it
Amust be unisexual
Bhas an undeveloped androecium
Chas no androecium
Dmust be insect-pollinated
Ecan prevent self pollination
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Question 13
jamb1985
The maize grain is a fruit and not a seed because it
Ahas a large endosperm
Bis formed from an ovary
Cis a monocotyledon
Dhas no plumule and radicle
Ehas a hypogeal germination
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Question 14
jamb1985
The appendicular skeleton is made up of the
Alimbs
Bskull and limbs
Cphalanges
Dulna and radius
Egirdles and limbs
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Question 15
jamb1985
Movements and positions of the head in man are detected by the
Acochlea
Bmalleus
Cutriculus
Dsemicircular canals
Eouter ear
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Question 16
jamb1985
Which of the following organs regulates the amount of amino acids and glucose in the body?
AKidney
BLiver
Cpancreas
DSpleen
EStomach
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Question 17
jamb1985
In mammals, the function of the sebaceous gland is to
Aproduce sweat
Bsecrete sodium choride
Csecrete water
Dproduce an oily substance
Emanufacture vitamin D for the skin
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Question 18
jamb1985
Identify which of the following are characteristics of the vertebrate respiratory surface 1. Moist 2. Vascularized 3. Semipermeable 4. Freely permeable 5. Dry
A1, 2, 3
B1, 2, 5
C2, 3, 5
D2, 4, 5
E1, 3, 5
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Question 19
jamb1985
Which of the following events does NOT occur during anaerobic respiration of glucose?
AMuscle cells produce lactic acid
BCarbon dioxide is produced
CMilk bacteria produce lactic acid
DEnergy is not produced
EGerminating seeds produced alcohol
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Question 20
jamb1985
If a child can receive blood from all donors , he belongs to the blood group
AO
BA
CB
DAB
EAS
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Question 21
jamb1985
Blood platelets are important because they are
Aamoeboid and nucleated
Bproduce antitoxins
Cproduce antibodies
Ddigest harmful bacteria
Erelease thrombin for blood clothing
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Question 22
jamb1985
The vein which returns blood from the head and arms to the heart is called
Aaorta
Binferior vena cava
Csuperior vena cava
Dpulmonary vein
Epulmonary artery
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Question 23
jamb1985
The function of lymph nodes is to
Asupply oxygen
Bfilter out bacteria
Cform red blood cells
Dsupply amino acids
Esupply simple sugars
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Question 24
jamb1985
Partially digested food ready to leave the stomach is referred to as
Achyme
Bcurd
Cglycogen
Dpaste
Eroughage
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Question 25
jamb1985
If calcium is deficient in food this may cause
Aanaemia
Bretarded growth
Csterility
Dgoitre
Eberi-beri
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Question 26
jamb1985
A food substance which produces red colouration with Sudan III contain
Aprotein
Bsugar
Cstarch
Dcellulose
Efat
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Question 27
jamb1985
Which of the following represents the sequence of protein hydrolysis? 1. polypeptides 2. Amino acides 3. Proteins 4. Peptones
A3 → 1 → 2 → 4
B3 → 2 →4 → 1
C3 → 1 →2 → 4
D3 → 4 → 1 → 2
E3 → 1 → 4 → 2
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Question 28
jamb1985
Which of the following is common to a dicotyledonous stem and monocotyledonous root?
AMedullary rays
BCentral pith
CWide cortex
DNarrow cortex
EPericycle fibres
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Question 29
jamb1985
A group of similar cells performing the same function is
