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
correct option: b
Users' Answers & Comments12
Yeast respires anaerobically to convert simple sugar to carbon (IV) oxide and
A
alcohol
B
acid
C
oxygen
D
water
correct option: a
Users' Answers & Comments13
The sheet of muscle that separates the thoracic and the abdominal cavities is the
A
diaphragm
B
intercostal muscle
C
pleural memberane
D
pericardium
correct option: a
Users' Answers & Comments14
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
correct option: b
Users' Answers & Comments15
The outer layer of the kidney where the Bowman's capsules are found is the
A
cortex
B
peivis
C
medulla
D
pyramid
correct option: a
Users' Answers & Comments16
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
correct option: c
Users' Answers & Comments17
In the male reproductive system of a mammal, sperm is stored in the
A
van deferens
B
urethra
C
epididymis
D
seminiferous tubules
correct option: c
Users' Answers & Comments18
Chemosynthetic organisms are capable of manufacturing their food from simple inorganic substances through the process of
A
oxidation
B
denitrification
C
reduction
D
phosphorylation
correct option: a
In biochemistry, chemosynthesis is the biological conversion of one or more carbon molecules (usually carbon dioxide or methane) and nutrients into organic matter using the oxidation of inorganic (e.g. hydrogen gas, hydrogen sulfide) or methane as a source of energy, rather than sunlight, as in photosynthesis.
Users' Answers & Comments19
The part of the human gut that has an acidic content is the
A
stomach
B
duodenum
C
ileum
D
colon
correct option: a
Users' Answers & Comments20
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
correct option: d
Users' Answers & Comments