In
which of the following, the concentration of water and ions (electrolytes)
maintained in the cells and in the intercellular fluids?
a) thermoregulation
b) excretion
c) osmoregulation
d) all of these
Animal body is composed of …..% of water?
a) 70
b) 80
c) 90
d) 29
On the basis of osmoregulation, there are ……..types of animals.
a) two
b) three
c) four
d) undefined
Explanation: 1. Osmorgulators and 2. Osmoconformer
Some animals have their body fluid concentration different from their external environment; such animals are called…….
a) osmoregulators
b) osmoconformers
c) thermoregulators
d) all of these
Explanation: Osmoregulators are organisms that actively regulate their osmotic pressure, independent of the surrounding environment.
Which of the following are osmoregulators?
a) all land animals
b) most marine animals
c) some aquatic animals
d) both a and b
Which of the following is are used by osmoregulator animals to maintain water solute concentration balance?
a) water
b) heat
c) light
d) energy
Explanation: energy is required for active transport
