2001 - WAEC Biology Past Questions and Answers - page 4
31
Carbon dioxide enters the leaf through the structure labelled
A
I
B
II
C
IX
D
X
correct option: c
Users' Answers & Comments32
Manufactured food is transported from the leaves through the structure
labelled
labelled
A
IV
B
V
C
VI
D
VII
correct option: b
Users' Answers & Comments33
The pallisade cells are the structures labelled
A
III
B
IV
C
VI
D
VIII
correct option: a
Users' Answers & Comments34
Which of the groups of structures listed below contains chloroplast?
A
I, II and III
B
II, III and VII
C
III, VIII and IX
D
III, VIII and Xl
correct option: d
Users' Answers & Comments35
In which of the following processes is light energy converted to ATP?
A
Osmosis
B
Transpiration
C
Chemosynthesis
D
Photosynthesis
correct option: d
Users' Answers & Comments36
Which of the following is an evidence of photosynthesis?
A
Absorption of light
B
Formation of starch
C
Availability of carbon dioxide
D
Splitting of water molecules
correct option: b
Users' Answers & Comments37
Which of the following organisms is a chemo-autotroph?
A
Virus
B
Bacteria
C
Paramecium
D
Euglena
correct option: b
Users' Answers & Comments38
Turgidity in the cell of plant does not easily lead to bursting of the cell because the
A
cell membrane can resist the turgidity
B
large vacuole contained in the cell, can continuously take in water
C
cellulose cell wall can resist the turgidity
D
cytoplasm is jelly-like
correct option: c
Users' Answers & Comments39
Magnesium is needed by plants for
A
protein synthesis
B
formation of cell membrane
C
activation of enzymes
D
formation of chlorophyll
correct option: d
Users' Answers & Comments40
Which of the following is not a micronutrient?
A
Manganese
B
Copper
C
Potassium
D
Zinc
correct option: c
Users' Answers & Comments