4 bio questions

[Keroro]

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which is correctly matched?


A. protosome - claims, squids, snails, mollusks

B. deutrosome - bryophytes

C. all arthropod - trachea and spiracles

D. all arthropod - closed circulatiory system

E. annelids - no heart





-> why C is wrong?
For E, annelids do have heart?



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which can be characterized by the use of longitudal muscle only, contain a hydrostatic skeleton, and an anterior nerve ring?

A. annelids
B. mollusks
C. nematodes
D. arthropods
E. platyhelminthes



answer is A? or C?

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Which is incorrect about fungi?

A. all lack chlorophyll
B. all are anaerobic
C. all are heterotrophic
D. all utilized kreb cycle to some degree
E. all utilize process of glycolysis


-> answer is D

but i had never seen that fungi use process of glycolysis from anywhere!

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Bone is made of all of the following except

A. collagen fibers
B. glycoproteins
C. lipid
D. carbohydrates
E. all of above


-> answer is E
so bone is basically composed of every thing (carbohydrage, protein, lipid) ?


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thanx