Question # 1

The basic element of organic compound is

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Hydrogen

Carbon

Nitrogen

Oxygen

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

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Trioses

Tetroses

Hexoses

Pentoses

The most abundant carbohydrates in nature

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Starch

Maltose

Cellulose

Glucose

Keratin is an example of Fibrous protein present in.

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Muscles

Blood

Bones

Nails ad Hair

Glycerol is the back bone molecule for

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Disaccharides

DNA

Triglycerides

ATP

which one of the following is not a lipid.

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Rubber

Chitin

Cutin

Cholesterol

Which one of the following is not a polysaccharide.

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Chitin

Cutin

pectin

Dextrin

Peptide bond is a

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C-N link

C-O link

N-H link

C-H link

Which of the following is a protein

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Cellulose

Cholesterol

ATP

Insulin

Glyosidic bond is a

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C- N Linkage

C - O Linkage

N - H Linkage

C - H Linkage

The percentage of ribosomal RNA in the cell is.

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4%

20%

50%

80%

Conjugated histone proteins are

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Structural and Regulatory

Structural only

Regulatory only

Transport proteins

Hydrogen bonds between adenine and thymine are.

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Three

Four

Five

Two

The percentage by weight of RNA in a bacterial cells is

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0.25%

3%

5%

6%

The amino acids are mainly different from each other due to the type and nature of.

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R-Group

Amino group

Carboxyl group

Peptide bond

Animals obtain carbohydrates mainly from

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Glucose

Starch

Sucrose

Glycogen

The mRNA of the total cell RNA is about.

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3 - 4 %

1 - 2%

2 - 4%

3 - 5 %

Human tissues have 85% water is cells of

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Bone

Blood

Brain

Liver

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