Question # 1

Keratin is an example of Fibrous protein present in

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Nails and Hair

Blood

Muscles

Bones

Which one of the following is not a polysaccharide.

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Chitin

Cutin

pectin

Dextrin

The basic element of organic compound is

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Hydrogen

Carbon

Nitrogen

Oxygen

Lactose is a

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Mono saccharides

Oli saccharides

Poly saccharides

Pectin

Monosaccharide which are rare in nature and occur in some bacteria is

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Trioses

Tetroses

Hexoses

Pentoses

Glycogen is found abundantly in

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Liver

Muscles

Kidney

Both a and b

Number of amino acids in each turn of alpha helix is

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3.6

4.6

5.6

6.6

Glyosidic bond is a

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C- N Linkage

C - O Linkage

N - H Linkage

C - H Linkage

Chemical nature of most cellular secretion is.

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Proteins

Lipids

Carbohydrates

Glycoproteins

The most abundant carbohydrates in nature

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Starch

Maltose

Cellulose

Glucose

Globular proteins differ from fibrous proteins in

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Having more amino acids

Their repeating units joined by peptide bond

Being soluble in aqueous medium

Being non-crystalline

Peptide bond is a

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C-N link

C-O link

N-H link

C-H link

The percentage of water in bacterial cell is above

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15%

18%

50%

70%

Animals obtain carbohydrates mainly from

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Glucose

Starch

Sucrose

Glycogen

Glycerol is the back bone molecule for

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Disaccharides

DNA

Triglycerides

ATP

Silk fiber, myosin, fibrin and keratin are examples.

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Fibrous proteins

Tough proteins

Oval proteins

Globular proteins

Conjugated histone proteins are.

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Structural and Regulatory

Structural only

Regulatory only

Transport proteins

A triglyceride is a

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Simple sugar

Lipid

Protein

Nucleic acid

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Biology Fsc Part 1 Chapter 2 Online Test MCQs With Answers

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