The internal
environment of the human is formed by…….
a) interstitial fluid
b) lymph
c) blood plasma
d) all of these
The maintenance of water and solute concentration in the body is called…..
a) homeostasis
b) osmoregulation
c) excretion
d) osmoconformation
Which of the following are osmoregulators?
a) all freshwater animals
b) most marine water animals
c) sharks, rays and Myxine
d) both a and b
Which of the following are osmoconformers that change the osmotic condition according to their environment?
a) all freshwater animals
b) most marine water animals
c) sharks, rays and Myxine
d) all of these
Which of the following problem/s is/are faced by the freshwater animals?
a) they face deficiency of salts
b) face excess salt problem
c) face deficiency of water
d) all of these
Which of the following problem/s is/are faced by the marine teleosts?
a) they face deficiency of salts
b) face excess salt problem
c) face deficiency of water
d) both b and c
