Biomolecules — DPP 1

20 NEET questions from Biomolecules, with answers and explanations. Attempt it as a timed test to get scoring, accuracy breakdown and mistake tracking.

Attempt this test free 20 questions · 30 minutes · +80 marks
1
Which is most important structural part of the body?
  1. A Protein
  2. B Carbohydrates
  3. C Lipid
  4. D Nucleic acid
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Correct answer: A

2
Sugars with five membered ring are called:-
  1. A Pyranose
  2. B Furanose
  3. C Dextrorotatory
  4. D Levorotatory
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Correct answer: B

3
Which monosaccharide does not show optical isomerism :
  1. A Dihydroxy acetone
  2. B Glyceraldehyde
  3. C Erythrose
  4. D Ribose
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Correct answer: A

4
Which of the following disaccharide gives two molecules of glucose on hydrolysis?
  1. A Maltose
  2. B Lactose
  3. C Both (A) and (B)
  4. D Sucrose
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Correct answer: A

5
Histone is a basic protein due to -
  1. A Alanine & glycine
  2. B Methionine & serine
  3. C Tryptophan & tyrosine
  4. D Lysine & Arginine
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Correct answer: D

6
Which one is the most abundant protein in the animal world ?
  1. A Collagen
  2. B Insulin
  3. C Trypsin
  4. D Haemoglobin
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Correct answer: A

7
Unit of protein is: -
  1. A Amino acid
  2. B Monosaccharide
  3. C NH₃
  4. D Nucleotide
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Correct answer: A

8
Translocation of sugars in flowering plants occur in the form of -
  1. A Glucose
  2. B Sucrose
  3. C Fructose
  4. D Maltose
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Correct answer: B

9
The amino acids which are not synthesized in the body are called:
  1. A Non-essential
  2. B Essential
  3. C Deaminated
  4. D All of them
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Correct answer: B

10
For body growth and repair, one needs:
  1. A Carbohydrates
  2. B Fats
  3. C Proteins
  4. D Vitamins
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Correct answer: C

11
Milk protein is-
  1. A Lactogen
  2. B Myosin
  3. C Casein
  4. D Pepsin
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Correct answer: C

12
Which is a disaccharide?
  1. A Galactose
  2. B Fructose
  3. C Maltose
  4. D Dextrin
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Correct answer: C

13
Macro molecule chitin is :
  1. A Simple polysaccharide
  2. B Nitrogen containing polysaccharide
  3. C Phosphorus containing polysaccharide
  4. D Sulphur containing polysaccharide
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Correct answer: B

14
Sugar found in haemolymph of insects is called-
  1. A Maltose
  2. B Lactose
  3. C Trehalose
  4. D Galactose
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Correct answer: C

15
Proteins present in protoplasm are very important because-
  1. A They provide definite shape to cell
  2. B They function as biocatalyst
  3. C They yield energy
  4. D They are stored food
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Correct answer: B

16
The most abundant intracellular cation is :
  1. A K⁺
  2. B Na⁺
  3. C Ca$^{++}$
  4. D H⁺
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Correct answer: A

17
Sucrose is composed of -
  1. A Glucose & Fructose
  2. B Glucose & Glycogen
  3. C Two molecules of Glucose
  4. D Glycogen & Fructose
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Correct answer: A

18
Codiene is :-
  1. A A polymeric substance
  2. B An alkaloid
  3. C An essential oil
  4. D A toxin
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Correct answer: B

19
Which is odd -
  1. A Chitin - Carbohydrate
  2. B Pectin - Protein
  3. C Steroid - Lipid
  4. D Wax - Lipid
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Correct answer: B

20
Which one of the following sets of monosaccharides forms sucrose?
  1. A $\beta$-D-Glucopyranose and $\alpha$-D-fructofuranose
  2. B $\alpha$-D-Glucopyranose and $\beta$-D-fructopyranose
  3. C $\alpha$-D-Galactopyranose and $\alpha$-D-Glucopyranose
  4. D $\alpha$-D-Glucopyranose and $\beta$-D-fructofuranose
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Correct answer: D

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