2001 - WAEC Biology Past Questions and Answers - page 5
41
Loam is the best type of soil for crop production because
A
it has a high percentage of clay which prevents leaching
B
it has high humus content
C
it is porous and has good water retention capacity
D
gravels which obstruct implements are absent from it
correct option: b
Users' Answers & Comments42
The mineral needed for the formation of haemoglobin is
A
magnesium
B
iron
C
phosphorus
D
calcium
correct option: b
Users' Answers & Comments43
A-person who fails to detect the bitter taste of a substance swallowed, is more likely to have
A
dead taste buds on the tongue
B
avoided the substance from contacting the back of his/her tongue
C
fewer taste buds on the tongue
D
swallowed the substance without any water
correct option: b
Users' Answers & Comments44
Which of the following solutions is suitable for removing chlorophyll in a green leaf?
A
Million’s reagent
B
Methylated spirit
C
Benedict solution
D
Fehling’s solution
correct option: b
Users' Answers & Comments45
Which of the following is not promoted by high wind speed?
A
Rill erosion
B
Weathering of parent rock
C
Breeding of plant
D
Opening of stomata
correct option: c
Users' Answers & Comments46
Micro-organisms which break down dead organisms and absorb their contents are called
A
decomposers
B
consumers
C
parasites
D
commensals
correct option: a
Users' Answers & Comments47
The substances recycled in the soil by the activities of micro-organisms during the decay of dead organisms
are first utilized by the
are first utilized by the
A
carnivores
B
herbivores
C
scavengers
D
autotrophs
correct option: d
Users' Answers & Comments48
Which of the following associations can upset the balance of nature?
A
Epiphitism
B
Parasitism
C
Symbiosis
D
Saprophytism
correct option: b
Users' Answers & Comments49
Which of the following groups of factors do the Agama lizards compete for? I. Space II. Food III. Mates
A
Space and food only
B
Space and mates only
C
Food and mates only
D
Space, food and mates
correct option: d
Users' Answers & Comments50
Which of the following structures in a housefly aids in the transmission of diseases in man?
A
Hairs
B
Spiracles
C
Antennae
D
Wings
correct option: a
Users' Answers & Comments