1999 - JAMB Biology Past Questions and Answers - page 3
21
The lymphatic system of mammals rejoins the blood circulatory system at the
A
hepatic vein
B
subclavian vein
C
renal vein
D
common iliac vein
correct option: b
Users' Answers & Comments22
In dissection, the rib cage of mammal has to be opened in order to expose the
A
diaphragm
B
liver
C
heart
D
sternum
correct option: c
Users' Answers & Comments23
Fertilization in humans usually takes place in the
A
lower part of the uterus
B
upper part of the uterus
C
lower part of the oviduct
D
upper part of the oviduct
correct option: d
Users' Answers & Comments24
Insects visit flowers in order to
A
feed on the nectar
B
deposit pollen on the stigma
C
pollinate the flowers
D
transfer pollen from anthers
correct option: a
Users' Answers & Comments25
In epigeal germination, the cotyledons are
A
carried above the ground by the elongation hypocotyl
B
pulled underground by the elongating epicotyl
C
pulled underground by the elongating epicotyl
D
carried above the ground by the elongating epicotyl
correct option: a
Users' Answers & Comments26
Bacteria multiply rapidly by means of
A
budding
B
fragmentation
C
binary fission
D
spore formation
correct option: c
Users' Answers & Comments27
The correct sequence for the perception of smell in mammals is
A
chemicals → olfactory nerve endings → brain
B
dissolved chemicals → nasal sensory cell → brain
C
chemicals → mucus membrane → sensory cells→ brain
D
dissolved chemicals → sensory cells → olfactory nerve → brain
correct option: d
Users' Answers & Comments28
A
protection
B
insulation
C
lubrication
D
growth
correct option: b
Users' Answers & Comments29
A
sweat gland
B
lymph vessel
C
blood vessel
D
nerve ending
correct option: b
Users' Answers & Comments30
In mammals, the organ which performs digestive and endocrine functions is the
A
liver
B
pancreas
C
gastric gland
D
salivary gland
correct option: b
Users' Answers & Comments