Question 1 of 20 5,032 total questions
Which of the following is not a morphological variation in human beings?
A Size
B Blood groups
C Colour
D Fingerprints.
When Mendel crossed round seeds with wrinkled seeds of Pea Plant, what was the ratio of wrinkled seeds2 plants?
A 3 : 1
B 2 : 1
C 1 : 3
D 1 : 2
Which of the following statements about blood groups in human is not correct?
A Siblings may not belong to the same blood group
B There are four possible blood groups
C People with blood group O can receive blood from all other groups
D People with blood group AB are universal recipients
Which of the following is a continuous variation, in human population?
A Sex
B Rh factor
C Height
D Down`s syndrome
Some species of animals and plants are considered as endangered, because
A they are found in large numbers in most habitats
B they are harmful to theta natural habitats
C their populations have become so small that they may soon die out
D they should be killed or only kept in cages
Which of these statements is true about fingerprint patterns?
A Consistent for a lifetime
B May be exactly the same for two individuals
C Prominent only at puberty
D Correlate with the individual blood group
Wildlife conservation is enhanced by
A enacting laws to encourage poaching
B discouraging elimination of endangered species
C encouraging creation of satellite hunting unit
D suppressing the activities of wildlife conservation agencies
A vegetable farmer will benefit from a cattle rearer if
A the faecal remains of the cattle are made available to the farmer
B the farmer makes available fresh green vegetables for consumption by the cattle daily.
C the farmer provides shelter for the cattle and the cattle rearer
D the cattle rearer makes available meat to the farmer daily
Micro-organisms are important in recycling nutrients because
A they are capable of multiplying quickly
B they are eaten by large organisms
C they break down dead organic materials
D many of them are parasites
Measles in infants can be prevented by
A sleeping under mosquito nets
B providing clean water supply
C taking anti-malaria tablets
D vaccinating young children
The numbers in a population would rise, if there was an increase in the
A spread of disease
B number of deaths
C number of predators
D amount of food available
The possession of breathing roots is a characteristic of plants growing in
A mangrove swamp
B coastal savanna
C guinea savanna
D shrub biome
The concave shape of a birds wing during flight, ensures that the greater air pressure under the wings will
A counteract the effect of gravity
B lift the bird so that it can remain airborne
C enable the pectoral ,muscles to contract easily
D change the direction of the flying bird
Which of the following terms ensures the survival of an organism in its environment?
A Hibernation
B Succession
C Adaptation
D Competition
The total amount of energy entering a food chain is that which is present in the
A consumer
B ecosystem
C producer
D decomposer
Which of the following measures is most likely to cause a damage to the ecosystem in the control of pests
A Use of ladybird insects to feed on aphids
B introduction of bacterium to kill larvae of butterfly
C Introduction of Tilapia fish in ponds to feed on mosquito larvae
D Spraying insecticides to destroy cotton- stainers in a cotton-field
In any food chain, the first member must be a
A carnivore
B herbivore
C zooplankton
D autotroph
The importance of practising crop-rotation in agriculture is to
A control soil erosion
B maintain the fertility of the soil
C improve the nutritional value of crops
D ensure growth of cash crops
Which of the following processes removes water from the water cycle?
A Condensation
B Perspiration
C Photosynthesis
D Transpiration
Ecology simply means the study of
A the properties of a habitat
B interrelationship between organisms and their environment
C several species of plants and animals
D interrelationship between plants and animals.
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