2015 - JAMB Biology Past Questions and Answers - page 2

11
Which of the following is not a monocotyledonous seed?
A
cowpea
B
maize
C
millet
D
what
correct option: a
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12
The lowest unit of classification is the
A
class
B
genus
C
phylum
D
species
correct option: d
Option D is correct. This is because, species is the lowest unit in the hierarchy of classifying living organisms.See the illustration below.

From kingdom phylum → class → order → family → genus → species
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13
One of the following diseases is caused by fungi
A
cassava mosaic
B
coffee leaf rust
C
leaf blight of cassava rossette
D
disease of groundnut
correct option: b
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14
The by-product of photosynthesis is
A
CO2
B
O2
C
C6H12O6
D
H2O
correct option: b
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15
Gaseous exchange in the lungs takes place in the
A
alveoli
B
bronchi
C
bronchioles
D
trachea
correct option: a
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16
In eukaryotic cells,cellular respiration takes place in the
A
nucleus
B
cytoplasm
C
centrioles
D
mitochondrion
correct option: d
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17
One of the following causes Ebola fever
A
Bacteria
B
Fungi
C
Protozoa
D
Viruses
correct option: d
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18
The theory of survival of the fittest was propounded by …..
A
Darwin
B
Hooke
C
Lamarck
D
Linnaeus
correct option: a
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19
The deficiency of vitamin D leads to
A
beriberi
B
pellagra
C
ricket
D
scurvy
correct option: c
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20
One of these is used for excretion in earthworm
A
Contractile vacuole
B
Flame cell
C
Malpighian tubule
D
Nephridium
correct option: d
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