Question 1 of 20 5,032 total questions
The structure that produces the energy required by the cell is labelled
The gradual, cumulative, adaptive and heritable changes in an organism over a long period of time resulting
A adaption
B survival
C regeneration
D variation
E organic evolution
Which of the following does not imply attempt at conservation?
A Limit on the size of nets used in fishing
B Limit on the size of vessels to be used in fishing
C Prohibition of hunting or fishing at a certain season
D Prudent management of natural resources
E Retraining from the use of the natural resource
Which of the following is the least safe method of birth control? Using
A spermicide creams
B contraceptive pills
C barriers such as condoms
D intrauterine device
E the withdrawal method
The deficiency of calcium in a plant may result in
A stunted growth and poor root development
B poor growth, leaves become orange or brown
C stunted growth, slender stem and yellowing of leaves
D very small leaves and yellowing of leaves
E tall weedy and reddish leaves, `
The process whereby poisonous compounds are made harmless in the liver is called
A deamination
B glycolysis
C dehydration
D detoxification
E denitritication
Mutation leads to evolution in that it
A gives rise to offspring which have the same characteristics as the parents
B kill all organism where it has occurred
C gives rise to new individuals which differs considerably from their parents
D always confers adaptability of the offspring
E does nit confer adaptability to the offspring
The part of the ear which equalizes air pressure on either side of the eardrum is
A auditory meatus
B malleus
C Eustachian tube
D oval window
E stapes
The following conditions form the basis of competition in a habitat except
A food
B space
C reproductive mate
D light
E body structure
Which of the following factors does not control population growth?
A Food shortage
B Emigration
C Abundance of food
D Predation
E Natural disaster
Which of these is not part of the appendicular skeleton?
A Clavicle
B Vertebral column
C Scapula
D Femur
E Humerus
What is the theoretical probability that a normal male child will be born?
Which of the following determines a normal male offspring?
In their system of organisation, the diagram labelled II plays the role of a
A worker
B soldier
C queen
D drone
E reproductive
The diagrams above represent a group of insects known to be
A colonial
B parasitic
C soldier
D carnivorous
E symbiotic
What is the fate of the ovary of a flower after fertilization?
A becomes the seed
B withers away
C becomes the fruit
D develops more nuclei
E develops into sepals.
The ability of the eye to alter the focal length of the lens, with regard to the distance of the object from
A binocular vision
B nocturnal vision
C distortion
D accommodation
E focusing
Muscles are attached to bones by means of
A ligament
B cartilage
C capillaries
D tendons
E arteries
The structure used by fishes to detect the presence and movement of other animals
A eye
B nostril
C lateral line
D scales
E fins
Which of the following agents is responsible for the dispersal of the seed shown above?
A man
B Water
C Wind
D Explosive mechanism
E Animal
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