Which of the following agricultural practices will NOT promote soil conservation?
afforestation
bush burning
crop rotation
manuring
mulching
Correct answer is B
No explanation has been provided for this answer.
Which structure of the mammalian ear will affect the maintenance of balance when removed?
auditory canals
ear ossicles
pinna
semicircular canals
tympanum
Correct answer is D
No explanation has been provided for this answer.
Which one is NOT an excretory product of man?
carbon (iv) oxide
oxygen
nitrogenous wastes
salts
respiration
Correct answer is B
No explanation has been provided for this answer.
Autotrophic
holophytic
parasitic
saprophytic
symbiotic
Correct answer is C
No explanation has been provided for this answer.
What is the result of placing a red blood cell in a hypertonic solution ?
crenation
haemolysis
osmosis
plasmolysis
wilting
Correct answer is A
No explanation has been provided for this answer.