Question 1 of 20 351 total questions
Which of the following is NOT a plant hormone?
A Abscissic acid
B Auxin
C Cytokinin
D Cytochrome
E Gibberellins
Which of the following is an example of a multiple fruit?
A cashew
B maize
C mango
D orange
E pineapple
Vitamin K deficiency causes
A constipation
B indigestion
C low sperm count
D uncontrolled haemorrhage
E stomach and duodenal ulcer
The following are effects of food shortage on population size EXCEPT
A competition
B decline in reproduction
C emigration
D increase in natality
E mortality
The sun rays reach the earth’s surface by
A conduction
B convection
C radiation
D reflection
E refraction
Herbicides are chemicals used to
A check the spread of diseases
B control dormancy in seeds
C control insects
D control weeds
E control pests
Translocation of food substances in plants takes place through
A collenchyma
B parenchyma
C phloem
D sclerenchyma
E xylem
The biosphere can best be defined as part of the
A atmosphere that contains moisture
B earth that contains gases
C earth that is liquid
D earth that supports life
E ocean that supports life
The bee that lays eggs in a hive is called
A broiler
B drone
C layer
D queen
E worker
Which practice does NOT promote the health of the community?
A burning of refuse in incinerators
B disposal of human sewage using water closets
C legislating in favour of sexual indulgence
D provision of portable pipe-borne water
E sitting of industries downstream away from habitations
i 2/2, c 1/1, pm 2/2, m 3/3 The above dental formula represents the dentition of
A cow
B dog
C man
D rabbit
E sheep
Which of the following is NOT a family planning method?
A abstinence
B contraceptive device
C masturbation
D sterilization
E use of condoms
The excretory organ of earthworms is known as
A contractile vacuole
B flame cell
C malphigian tubule
D nephridium
E kidney
The process by which some organisms oxidize inorganic compounds to obtain energy is known as
A catabolism
B chemosynthesis
C glycolysis
D metabolism
E photosynthesis
The following are major groups of the plant kingdom EXCEPT
A Bryophyta
B Chiorophyta
C Pteridophyta
D Spermatophyta
E Thallophyta
Which of the following is NOT true of enzymes?
A Their reactions are reversible
B Their reactions are irreversible
C They remain unchanged after the reaction
D They are affected by high temperatures
E They have active sites
The association between guinea worm and tissues of man is called
A commensalism
B parasitism
C predation
D Saprophytism
E Symbiosis
Which of the following factors affect population?
A competition and natality rate
B heat and space
C food and mortality rate
D Space and competition
E Water and light
When a plant shows reddish leaves, the soil is deficient in
A calcium
B iron
C nitrogen
D phosphorus
E sulphur
Which is NOT a viral disease?
A chicken pox
B common cold
C measles
D poliomyelitis
E tuberculosis
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