1995 - WAEC Biology Past Questions and Answers - page 4
31
Which of the following conditions is not necessary for photosynthesis to occur in plants?
A
There must be light
B
There must be xylem tissue used to conduct water
C
There must be chlorophyll to trap radiant energy
D
Carbondioxide must be present
correct option: b
Users' Answers & Comments32
The distribution of organisms in a fresh - water habitat like a stream or pond is determined by the following
except
except
A
rainfall
B
temperature
C
pH of soil
D
light penetration
correct option: c
Users' Answers & Comments33
Which of the following is characteristics of a swamp?
A
Vegetation with stratified arrangement
B
mesophytes with broad leaves
C
The ground is flooded most of the time
D
Predominance of climbing plants
correct option: c
Users' Answers & Comments34
Very low annual rainfall, sparse vegetation, high day temperatures and cold nights are the characteristics
of the biome known as
of the biome known as
A
swamp
B
tropical forest
C
southern guinea savanna
D
afro alpine
correct option: e
Users' Answers & Comments35
Which of the following conclusions
cannot be drawn from the graphs?
cannot be drawn from the graphs?
A
Ion is taken up more rapidly at suitable temperature
B
Suitable oxygen concentration increases ion uptake
C
Ion uptake requires energy from aerobic respiration of sugar
D
Ion uptake occurs most rapidly in adequate supply of, respiratory substrate
correct option: e
Users' Answers & Comments36
Which of the temperature ranges will likely favour the plant best?
A
0 -10oC
B
15.-20oC
C
30- 40oC
D
45 - 50oC
correct option: d
Users' Answers & Comments37
Which of the following is the correct chain for the organism found in an aquatic community?
A
Paramecium, Phytoplankton, Prawn, Waterflea, Tilapia, Shark
B
Waterflea, Paramecium, Phytoplankton, Prawn, Tilapia, Shark
C
Phytoplankton, Waterflea, Paramecium, Prawn, Shark, `tilapia
D
Phytoplankton, Paramecium, Waterflea, Prawn, Tilapia, Shark
correct option: d
Users' Answers & Comments38
In a food chain the position occupied by an organism is called
A
the trophic level
B
energy level
C
the feeding level
D
the habitat level
correct option: a
Users' Answers & Comments39
Which of these statements about food chain is not correct?
A
Animals in the chain are consumers
B
A food chain usually begins with a green plant
C
All organisms in a food chain are animals
D
Living things are dependent on one another
correct option: c
Users' Answers & Comments40
Which of these is not applicable to the circulation of water- in nature?
A
Water removed from oceans are Permanently lost
B
Water constantly evaporates from the seas, rivers, lakes and soil
C
Water vapour rises. cools, condenses and precipitates as rain and dew
D
Water is absorbed by plants and animals from their external environment
correct option: a
Users' Answers & Comments