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.
Two identical twin boys had different fingerprints. This proves that
the fingerprint is a sex-linked character
the genotypes of the twins are similar
the phenotypes of the twins are similar
there are morphological variations
there are physiological variations in the twins
Correct answer is D
Morphological variation includes aspects of the outward appearance i.e shape, structure, color, pattern, and size.