1992 - JAMB Biology Past Questions and Answers - page 1

1
The organelle involved in tissue respiration is the
A
endoplasmic reticulum
B
ribosome
C
golgi body
D
mitochondrion
correct option: d
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2
A tissue can best be defined as
A
an aggregate of similar cells
B
an aggregate of cells performing a similar function
C
an aggregate of similar cells performing the same function
D
a mixture of different cells types performing the same function
correct option: b
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3
Which of the following correctly summarizes the life cycle of fern plant?
A
Spore → prothallus → thallus → sporangium
B
Male and female gamentangia → zygospores → sporangium → spores
C
Spore → thallus → spermatozoa + ovum → sporangium
D
Prothallus → spermatozoid → +egg cell → leafy plant → sporangium → spore
correct option: d
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4
A major difference between platyhelminthees and coelenterates is that platyhelminthes
A
are multicellular
B
have developed a mesoderm
C
reproduce sexually
D
reproduce asexually
correct option: b
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5
The essential structural difference between hydra and tapeworm is that while Hydra
A
has tentacles, tapeworm is parasitic
B
is diploblastic, tapeworm is triplobastic
C
has a mouth, tapeworm feeds by suckers
D
has mesoderm, tapeworm has mesogloea
correct option: b
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6
The flowering period of plants in a habitat is determined by the
A
duration of sunlight
B
intensity and duration of rainfall
C
relative humidity of the atmosphere
D
temperature of the habitat
correct option: a
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7
The structure labelled X is used by the organism in the same way as man uses his
A
oesophagus
B
trachea
C
stomach
D
intestine
correct option: a
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8
The structure labelled Y is the
A
food vacuole
B
nucleolous
C
macronucleus
D
contractile vacuole
correct option: c
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9
Which of the following insects undergoes incomplete metamorphosis?
A
Mosquito
B
Termite
C
Housefly
D
Moth
correct option: b
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10
An onion is a bulb because it
A
has a tuberous stem
B
has a reduced stem and thick fleshy leaves
C
has adventitous roots
D
bears many buds at the nodes
correct option: b
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