2010 - JAMB Biology Past Questions and Answers - page 2
11
Circulation of blood to all parts of the body except the lungs is through
A
the pulmonary artery
B
systemic circulation
C
the lympahatic system
D
pulmonary circulation
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12
Yeast respires anaerobically to convert simple sugar to carbon (IV) oxide and
A
alcohol
B
acid
C
oxygen
D
water
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13
The sheet of muscle that separates the thoracic and the abdominal cavities is the
A
diaphragm
B
intercostal muscle
C
pleural memberane
D
pericardium
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14
The oily substance that lubricates the mammalian hair to keep it flexible and water repellent is secreted by the
A
sweet glands
B
sebaceous glands
C
fatty cells
D
granular layer
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15
The outer layer of the kidney where the Bowman's capsules are found is the
A
cortex
B
peivis
C
medulla
D
pyramid
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16
Which of the following stimuli is likely to elicit a nastic response in an organism?
A
Touch
B
Light intensity
C
Chemical substances
D
Gravity
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17
In the male reproductive system of a mammal, sperm is stored in the
A
van deferens
B
urethra
C
epididymis
D
seminiferous tubules
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18
Chemosynthetic organisms are capable of manufacturing their food from simple inorganic substances through the process of
A
oxidation
B
denitrification
C
reduction
D
phosphorylation
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19
The part of the human gut that has an acidic content is the
A
stomach
B
duodenum
C
ileum
D
colon
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20
I. Stomata → Spirogyro II. Alveoli → Earthworm III. Malpighian tubule → Mammal IV. Contractile vacuole → Protozoa.
Which of the above structures is correctly matched with the organisms in which it is found?
Which of the above structures is correctly matched with the organisms in which it is found?
A
lll
B
ll
C
l
D
IV
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