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Biomolecules - 1

Get Complete study material and notes for Chemistry, Biomolecules, Organic Molecule, Molecules, Amino acids, Nucleotides, Monosaccharides, DNA, RNA, DNA Molecules, RNA Molecules

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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following is not a carbohydrate?

  1. Acetic acid
  2. Sugar
  3. Starch
  4. Fructose
Question 2 Multiple Choice (Single Answer)

Which of the following carbohydrates can not be hydrolysed?

  1. Monosaccharide
  2. Disaccharide
  3. Oligosaccharide
  4. Polysaccharide
Question 3 Multiple Choice (Single Answer)

Carbohydrates are stored in human body as

  1. glucose
  2. fructose
  3. glycerol
  4. glycogen
Question 4 Multiple Choice (Single Answer)

The sugar in which aldehyde and ketone groups are free is

  1. non-reducing sugar
  2. cane sugar
  3. sucrose
  4. lactose
Question 5 Multiple Choice (Single Answer)

What are the expected products of hydrolysis of maltose?

  1. Glucose and sucrose
  2. Two molecules of glucose
  3. Galactose and glucose
  4. Sucrose
Question 6 Multiple Choice (Single Answer)

Amylose and amylopectin are the components of

  1. cellulose
  2. sucrose
  3. starch
  4. lactose
Question 7 Multiple Choice (Single Answer)

Which evidence suggests that glucose contains an aldehyde group?

  1. It gives D.N.P. test
  2. It gives schiff's test
  3. It forms an oxime
  4. None of the above
Question 8 Multiple Choice (Single Answer)

When glucose is treated with bromine water, we get

  1. lactose
  2. gluconic acid
  3. glyceraldehyde
  4. adipic acid
Question 9 Multiple Choice (Single Answer)

The forms of monosaccharides which differ only in the configuration of hydroxyl group are called

  1. enantiomers
  2. stereoisomers
  3. anomers
  4. geometrical isomers
Question 10 Multiple Choice (Single Answer)

Amino acids which can be synthesised in the body are

  1. all natural amino acids
  2. non - essential amino acids
  3. essential amino acids
  4. none of these
Question 11 Multiple Choice (Single Answer)

Which one of the following is a polymer of alpha glucose?

  1. Sugar
  2. Sucrose
  3. Cellulose
  4. Starch
Question 12 Multiple Choice (Single Answer)

The cell wall of bacteria and plants is made up of

  1. glycogen
  2. cellulose
  3. amylose
  4. amylopectine
Question 13 Multiple Choice (Single Answer)

The structure which remains intact during denaturation of proteins is called

  1. primary
  2. secondary
  3. tertiary
  4. quaternery structure
Question 14 Multiple Choice (Single Answer)

Which of the following is the example of globular protein?

  1. Myosin
  2. Keratin
  3. Insulin
  4. None of the above
Question 15 Multiple Choice (Single Answer)

Which of the following can be synthesised in the body?

  1. HCl
  2. Carbohydrates
  3. Vitamins
  4. Glucose
Question 16 Multiple Choice (Single Answer)

The water solubility of amino acids is higher than corresponding halo acids because

  1. amino acid is poor in nature
  2. of presence of lone pair of electrons
  3. of hydrogen bonding
  4. like dissolves like
Question 17 Multiple Choice (Single Answer)

Which of the following is not a fat soluble vitamin?

  1. A
  2. D
  3. E
  4. None of the above
Question 18 Multiple Choice (Single Answer)

Vitamin C can not be stored in the body because

  1. it is water soluble and readily excreted as urine
  2. it is utilised as soon as it is produced
  3. it is fat soluble
  4. none of the above
Question 19 Multiple Choice (Single Answer)

Which of the following does not contain phosphoric acid?

  1. Globular Protein
  2. Fibrous Protein
  3. Nucleotide
  4. Nucleoside
Question 20 Multiple Choice (Single Answer)

Which of the following vitamins can be stored in our body?

  1. B1
  2. B2
  3. B6
  4. B12
Question 21 Multiple Choice (Single Answer)

Haemoglobin is a type of

  1. protein
  2. vitamin
  3. lipid
  4. carbohydrate
Question 22 Multiple Choice (Single Answer)

Amino acids are

  1. acids
  2. bases
  3. amphoteric
  4. salts
Question 23 Multiple Choice (Single Answer)

A zwitter ion is one which

  1. is positively charged
  2. is negatively charged
  3. is both (1) and (2)
  4. is carbanion
  5. is carbocation
Question 24 Multiple Choice (Single Answer)

The coagulation of egg white on boiling is an example of

  1. precipitation
  2. denaturation
  3. oxidation
  4. reduction
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