Question 1 of 20 2,099 total questions
Which of the following characteristics differentiates a palisade cell from a liver cell? The possession of
A a cell wall and a cytoplasm
B a vacuole and a nucleus
C non-cell membrane and chloroplast
D a cell wall and chloroplast
Which of the following animals exhibits territoriality?
A Bees
B Bats
C Lizards
D Rabbit
The character that expresses itself in the presence of the contrasting characters
A hybrid
B allele
C recessive
D dominant
Which of the following variations is applicable to a weight lifter?
A Continuous variation
B Discontinuous variation
C Hereditary variation
D Acquired variation
Use the human characteristics to answer this question.
A I and II only
B I, II and IV only
C I, III and IV only
D I, II and III only
I. Complexion II. Height III. Blood Rh factor IV. Colour blindness
A I and III only
B II and III only
C II and IV only
D III and IV only
In medicine, bacteria have proved very useful due to the production of
A nitrate
B antibiotics
C cured tobacco
D tanned leather
Fresh milk is often kept in refrigerated vehicles, for distribution to customers in order to
A ensure proper share of fresh milk to all customers.
B ensure delivery of milk to customers in good time
C improve the quality of the milk
D ensure that the milk is presented for a longer period
Which of these is a vector of malaria fever?
A Female anopheles mosquito
B Male anopheles mosquito
C Female culex mosquito
D Male culex mosquito
Which of these is not correct about the tse-tsefly and mosquito? They
A harbour protozoa as disease agents
B possess piercing and sucking mouth parts
C have intermediate hosts
D inject disease- causing organisms into the blood stream
Which of the following structures in a housefly aids in the transmission of diseases in man?
A Hairs
B Spiracles
C Antennae
D Wings
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
Which of the following associations can upset the balance of nature?
A Epiphitism
B Parasitism
C Symbiosis
D Saprophytism
The substances recycled in the soil by the activities of micro-organisms during the decay of dead organisms
A carnivores
B herbivores
C scavengers
D autotrophs
Micro-organisms which break down dead organisms and absorb their contents are called
A decomposers
B consumers
C parasites
D commensals
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
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
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
The mineral needed for the formation of haemoglobin is
A magnesium
B iron
C phosphorus
D calcium
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
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