Question # 1

To produce Lactose

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Two amino acids must form a peptide bond

Pairing of nitrogenous bases must occur between nucleotides

Glucose and galactose must undergo a dehydration reaction

Glucose and fructose must undergo a hydrolysis reaction

Which of the following is not a fibrous proein.

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Keratin

Myocin

Fibrin

Mormones

The percentage of water in bacterial cell is about.

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15%

18%

50%

75%

Which of the following is not a fibrous protein.

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Keratin

My ocin

Fibrin

Hormones

Human Tissues have 85% water in cells of.

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Bone

Blood

Liver

Brain

Which one of the following kinds of atom does not occur in carbohydrates

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Carbon

Hydrogen

Nitrogen

Oxygen

Which one of following is not a polysaccharide.

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Chitin

Cutin

Pectin

Dextrin

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

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Trioses

Tetroses

Hexoses

Pentoses

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

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Trioses

Tetroses

Hexoses

Pentoses

Which one of the following is and organic molecule

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C₆H₁₂O₆

NO₂

H₂O

H₂SO₄

Conjugated histone proteins are.

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Structural and Regulatory

Structural only

Regulatory only

Transport proteins

In free state, glucose is present in.

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Amylose

Dates

Cellulose

Glycogen

Glycogen is found abundantly in

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Liver

Muscles

Kidney

Both a and b

The specific heat of vaporization of water is.

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457 kcal/kg

574 kcl/kg

580 kcal/kg

570 kcal/kg

Cotton is apure

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Cellulose

Poly saccharide

Both a and b

None of these

Which class of molecule is the major component of cell membrane

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Phospolipid

Cellulose

Wax

Triglyceride

The amino acid 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

Glycogen gives colour with iodine.

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Black

Blue

Red

Green

80% of total RNA is the cell comprises of.

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mRNA

tRNA

rRNA

RNA-DNA hybrid

the most abundant organic compound in mammalian cell

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Water

Lipids

Proteins

Carbohydrates

More Classes

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Biology Fsc Part 1 Chapter 2 Online Test MCQs With Answers

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