Question 1 of 20 2,099 total questions
The branch of science which deals with resemblances, origin and expression of biological variations is
A embryology
B ecology
C entomology
D genetics
E taxonomy
Which of the following blood group(s) is/are the universal donor(s)
Which of the following is not required for primary production to occur in plants?
A Chlorophyl
B Sugar
C Water
D Carbon dioxide
E Solar energy
Which of the following measures does not ensure conservation?
A Establishing forest and game reserves
B Encouraging people to plant trees
C Founding societies that promote conservation
D Enacting conservation laws and bye-laws
E Enclosing fishes in ponds where they will not be stolen
All the following can illustrate the dynamic nature of the ecosystem except
A nitrogen cycle
B carbon cycle
C water cycle
D nutrient cycle
E locomotion in organisms
Which of the following organisms exists as a filament?
A Euglena
B Amoeba
C Volvox
D paramecium
E Spirogyra
In which of the following is a cellulose cell wall present
A Amoeba
B Mammalian white blood corpuscle
C spirogyra
D paramecium
E parasitic worms
Which of the following actions is not an example of a simple reflex action?
A Knee jerk
B Blinking of the eye
C Withdrawal of hand from hot object
D Reading a book
E Contraction of the iris
Conventional method of sewage disposal involves all the following except defaecating
A into pit latrines
B in open fields
C into cesspit
D into bucket latrine
E into water home sewage system
The long and sharp claws in the font labelled ll show that the bird uses them to?
A hold onto its prey
B paddle in water
C glide in the alt
D scratch the earth for worms
E burrow into the soil
The foot labelled III is strong and has blunt claws
A is a scavenger
B is a bird of prey
C is a marine bird
D uses the foot to scratch the soil
E uses the foot to supplement wing action in flight
What is the foot labelled I adapted to?
A Feeding on flesh
B Eating grains
C Swimming in water
D Perching on trees
E Catching insects in flight
The process in which insects undergo conspicuous changes in form and appearance during development
A ecdysis
B metamorphosis
C aestivation
D migration
E hibernation
The process by which plants manufacture food from carbondioxide and water, using energy from the sun is
A chemosynthesis
B photosynthesis
C autotrophism
D heterotrophism
E transpiration
The two important physical processes involved in the absorption and transport of materials in plants are
A diffusion and plasmolysis
B cohesion and adhesion
C flaccidity and turgidity
D osmosis and diffusion
E plasmolysis and capillarity
The scientist who discovered the cell while examining a thin slice of cork under the microscope was
A Robert Hooke
B Anton van Leeuwenhoek
C Matthias Schleiden
D Theodor Schwann
E Alexander Fleming
All animals are dependent on green plants because plants
A shelter them from excessive heat from the sun
B give them protection from enemies
C are used for building houses and furniture
D beautify their surroundings
E manufacture food for animals
The property of clay soil that prevents it from supporting thick vegetation is its
A possession of chemically weathered granite rocks
B inability to retain much water
C tendency of becoming waterlogged
D porosity and low water retention ability
E high capillary spaces between the soil particles
Lamarck’s evolution theory could be summarised by the statement that
A only the fittest can survive in a challenging environment
B species that are unable to adapt become extinct
C new characteristics do not arise in organisms in time of need
D the changing environment imposes structural physiological and behavioural changes in organisms
E in a changing and unstable environment nature rejects the weak
The swarming especially at the beginning of the rainy season is a courtship behaviour shown by?
A migratory birds
B pigeons
C crickets
D winged termites
E bees
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