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
correct option: d
Users' Answers & Comments12
In mammals, the exchange of nutrients and metabolic products occurs in the
A
lungs
B
oesophagus
C
trachea
D
lymph
correct option: d
Users' Answers & Comments13
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
correct option: c
Users' Answers & Comments14
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
correct option: b
Users' Answers & Comments15
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
correct option: c
Users' Answers & Comments16
The part of the mammalian ear responsible for the maintenance of balance is the
A
cochlea
B
pinna
C
perilymph
D
vestibular system
correct option: d
The inner ear is made up of both hearing (auditory) and balance (vestibular) components. As already mentioned, the cochlea is that part of the inner ear involved with hearing. (The semicircular canals and the vestibular are the parts of the inner ear involved with balance.)
Users' Answers & Comments17
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
correct option: a
Users' Answers & Comments18
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
correct option: b
Users' Answers & Comments19
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
correct option: a
Users' Answers & Comments20
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
correct option: b
Users' Answers & Comments