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Biology 12 Chapter 15 Homeostasis - 4
1.
Which one is osmoconformers?
a) Elasmobranches.
b) Myxine.
c) All of these.
d) Marine invertebrates.
2.
Which one is osmoconformers?
a) Myxine.
b) All freshwater animals.
c) Marine vertebrates.
d) None.
3.
Which one is osmoconformers?
a) All freshwater animals.
b) Hag fishes.
c) Marine vertebrates.
d) None.
4.
Which one is osmoconformers?
a) None.
b) Marine vertebrates.
c) Elasmobranches.
d) All freshwater animals.
5.
Which one is osmoconformers?
a) Marine vertebrates.
b) All freshwater animals.
c) Sharks and Rays.
d) None.
6.
Which one helps to protect protein molecules against adverse effects of urea in vertebrates?
a) ATP energy.
b) TSH.
c) ADP.
d) TMAO.
7.
What are organic substances called that increase the solutes concentration?
a) Homeolytes.
b) Teleosts.
c) Osmolytes.
d) Thermolytes.
8.
Which are Osmolytes?
a) Urea.
b) Both of these.
c) None of these.
d) TMAO.
9.
Which osmoregulators live in hypotonic environment?
a) Terrestrial animals.
b) Freshwater animals.
c) All of these.
d) Marine teleosts.
10.
Which osmoregulators face dehydration?
a) Marine invertebrates.
b) Marine teleosts.
c) Freshwater animals.
d) Terrestrial animals.
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