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
12
Yeast respires anaerobically to convert simple sugar to carbon (IV) oxide and
A
alcohol
B
acid
C
oxygen
D
water
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
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
15
The outer layer of the kidney where the Bowman's capsules are found is the
A
cortex
B
peivis
C
medulla
D
pyramid
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
17
In the male reproductive system of a mammal, sperm is stored in the
A
van deferens
B
urethra
C
epididymis
D
seminiferous tubules
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
19
The part of the human gut that has an acidic content is the
A
stomach
B
duodenum
C
ileum
D
colon
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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