Question 1 of 20 5,032 total questions
Which of the following relationships illustrates competition?
A Cattle egret moving along with cattle
B Goats and cows grazing on a small grass lawn
C Mosses succeeding lichens in a rocky terrain
D Red mangrove swamp dying and replaced by white mangrove
E Forest trees, shrubs and grasses replacing white mangrove in a swamp
Which of the following represents the correct order in a possible food chain?
A Crustacean -> diatom -> fish -> man
B Fish -> crustacean -> man -> diatom
C Man -> fish -> crustacean -> diatom
D Diatom -> crustacean -> fish -> man
E Man -> diatom -> fish -> crustacean
Which of the following performs the same function as the contractile vacuole of a unicellular organism?
A Kidney
B Alimentary canal
C Liver
D Pancreas
E Bladder
The morphological, physiological and behavioural characteristics which enable an organism to survive in
A heredity
B ecology
C competition
D adaptation
E variation
Which of the following can cause desert encroachment?
A Afforestation
B Irrigation
C Planting of trees
D Establishment of game reserve
E Overgrazing
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
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