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Biology
WAEC 2009
Biology 2009 WAEC Past Questions
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6
The experiment above is used to demonstrate the process of
A.
transpiration
B.
water culture
C.
diffusion
D.
osmosis
View Answer & Discuss (4)
WAEC 2009
7
In plant cells the role of the membrane is played by the
A.
nucleolus
B.
cell wall
C.
cytoplasm
D.
mitochondrion
View Answer & Discuss (1)
WAEC 2009
8
Red blood cells were found to have burst open after being placed in distilled water for an hour. This phenomenon is known as
A.
plasmolysis
B.
diffusion
C.
haemolysis
D.
wilting
View Answer & Discuss
WAEC 2009
9
The curvature movement of plants in response to the stimulus of water is called
A.
hydrotropism
B.
geotropism
C.
phototropism
D.
thigmotropism
View Answer & Discuss (1)
WAEC 2009
10
Two organelles directly involved in mitotic cell division are
A.
nucleus and mitochondrion
B.
ribosome and nucleus.
C.
centriole and Golgi apparatus
D.
nucleus and centriole
View Answer & Discuss (1)
WAEC 2009
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