2011 - JAMB Biology Past Questions and Answers - page 2
11
In mammals, the exchange of nutrients and metabolic products occurs in the
A
lungs
B
oesophagus
C
trachea
D
lymph
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12
In mammals, the exchange of nutrients and metabolic products occurs in the
A
lungs
B
oesophagus
C
trachea
D
lymph
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13
I. Parasitism → Sundew. ll. Autotrophism →Amoeba. III. Saprophytism → Alga. IV Heterotrophism → Agama.
Which of the above modes of nutrition is correctly matched with the organism that exhibits it?
Which of the above modes of nutrition is correctly matched with the organism that exhibits it?
A
ll
B
lll
C
lV
D
l
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14
Use the following information to answer the question below.
I. Test tube containing cane sugar and water . ll. Test tube containing cane sugar and diluted acid. III. Test tube containing cane sugar and its degrading enzyme .
In which of the test tubes will glucose be detected after complete hydrolysis?
I. Test tube containing cane sugar and water . ll. Test tube containing cane sugar and diluted acid. III. Test tube containing cane sugar and its degrading enzyme .
In which of the test tubes will glucose be detected after complete hydrolysis?
A
l and ll only
B
ll and lll only
C
l only
D
l, ll and lll
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15
Use the following information to answer the question below.
I. Test tube containing cane sugar and water . ll. Test tube containing cane sugar and diluted acid. III. Test tube containing cane sugar and its degrading enzyme .
The enzyme involved in the hydrolysis is
I. Test tube containing cane sugar and water . ll. Test tube containing cane sugar and diluted acid. III. Test tube containing cane sugar and its degrading enzyme .
The enzyme involved in the hydrolysis is
A
rennin
B
erepsin
C
sucrase
D
maltase
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16
The part of the mammalian ear responsible for the maintenance of balance is the
A
cochlea
B
pinna
C
perilymph
D
vestibular system
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17
The path followed by air as it passes through the lungs in mammals is
A
trachea → bronchi → bronchioles → alveoli
B
bronchi → trachea → alveoli → bronchioles
C
trachea → bronchioles → alveoli
D
bronchioles → alveoli → bronchi →trachea
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18
The movement response of a cockroach away from a light source can be described as
A
positive phototaxism
B
negative phototaxism
C
negative phototropism
D
positive phototropism
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19
The vascular tissues in higher plants are responsible for
A
the movement of food and water
B
suction pressure
C
transpiration pull
D
the transport of gases and water
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20
Which of the following organs regulates the levels of water, salts , hydrogen ions and urea in the mammalian blood?
A
Liver
B
Kidney
C
Bladder
D
Colon
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