AFNS Biology - Biological Molecules AFNS MCQs

#25
Water is important in cells because it:

A) Dissolves substances / medium for reactions

B) Never reacts

C) Only freezes

D) Only evaporates

Answer: A

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#26
Saturated fats have:

A) No double bonds in fatty acid chain

B) Many double bonds

C) Only proteins

D) Only water

Answer: A

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#27
Unsaturated fats have:

A) One or more double bonds

B) No carbon

C) Only iron

D) Only calcium

Answer: A

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#28
Haemoglobin is a:

A) Protein

B) Carbohydrate

C) Lipid

D) Vitamin

Answer: A

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#29
Collagen is a:

A) Structural protein

B) Enzyme only

C) Sugar

D) Fat

Answer: A

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#30
Vitamin D deficiency can cause:

A) Rickets

B) Scurvy

C) Beriberi

D) Night blindness

Answer: A

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#31
Iron is part of:

A) Haemoglobin

B) Cellulose

C) DNA backbone

D) ATP only

Answer: A

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AFNS â€” AFNS Biology

#25
Water is important in cells because it:

A) Dissolves substances / medium for reactions

B) Never reacts

C) Only freezes

D) Only evaporates

Comments:

#26
Saturated fats have:

A) No double bonds in fatty acid chain

B) Many double bonds

C) Only proteins

D) Only water

Comments:

#27
Unsaturated fats have:

A) One or more double bonds

B) No carbon

C) Only iron

D) Only calcium

Comments:

#28
Haemoglobin is a:

A) Protein

B) Carbohydrate

C) Lipid

D) Vitamin

Comments:

#29
Collagen is a:

A) Structural protein

B) Enzyme only

C) Sugar

D) Fat

Comments:

#30
Vitamin D deficiency can cause:

A) Rickets

B) Scurvy

C) Beriberi

D) Night blindness

Comments:

#31
Iron is part of:

A) Haemoglobin

B) Cellulose

C) DNA backbone

D) ATP only

Comments:

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AFNS â€” AFNS Biology

#25 Water is important in cells because it:

A) Dissolves substances / medium for reactions B) Never reacts C) Only freezes D) Only evaporates

Comments:

#26 Saturated fats have:

A) No double bonds in fatty acid chain B) Many double bonds C) Only proteins D) Only water

Comments:

#27 Unsaturated fats have:

A) One or more double bonds B) No carbon C) Only iron D) Only calcium

Comments:

#28 Haemoglobin is a:

A) Protein B) Carbohydrate C) Lipid D) Vitamin

Comments:

#29 Collagen is a:

A) Structural protein B) Enzyme only C) Sugar D) Fat

Comments:

#30 Vitamin D deficiency can cause:

A) Rickets B) Scurvy C) Beriberi D) Night blindness

Comments:

#31 Iron is part of:

A) Haemoglobin B) Cellulose C) DNA backbone D) ATP only

Comments:

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#25
Water is important in cells because it:

A) Dissolves substances / medium for reactions

B) Never reacts

C) Only freezes

D) Only evaporates

#26
Saturated fats have:

A) No double bonds in fatty acid chain

B) Many double bonds

C) Only proteins

D) Only water

#27
Unsaturated fats have:

A) One or more double bonds

B) No carbon

C) Only iron

D) Only calcium

#28
Haemoglobin is a:

A) Protein

B) Carbohydrate

C) Lipid

D) Vitamin

#29
Collagen is a:

A) Structural protein

B) Enzyme only

C) Sugar

D) Fat

#30
Vitamin D deficiency can cause:

A) Rickets

B) Scurvy

C) Beriberi

D) Night blindness

#31
Iron is part of:

A) Haemoglobin

B) Cellulose

C) DNA backbone

D) ATP only