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Biomolecules (Biology) · Question 88

AIPMT 2001MCQEasy📈 Topic in 12% papers+4−1
1

Most abundant organic compound on earth is

  1. Cellulose
  2. Steroids
  3. Protein
  4. Lipids

Answer

(1) Cellulose

Solution

As per NCERT, cellulose is a homopolymer of glucose and plant cell walls are made of cellulose.

∵ All plants (the major part of the biomass on earth) have cell walls of cellulose, cotton fibre and wood are mostly cellulose.

∴ Cellulose is the most abundant organic compound on earth.

Answer: (1)

AIPMT 2001

Keep practising — Biomolecules (Biology)

2

Spoilage of oil can be detected by which fatty acid?

  1. Linolenic acid
  2. Erucic acid
  3. Linoleic acid
  4. Oleic acid
AIPMT 2001
3

In plants, inulin and pectin are

  1. Excretory material
  2. Reserve material
  3. Insect attracting material
  4. Wastes
AIPMT 2001
4

Role of enzyme in reactions is to/as

  1. decrease activation energy
  2. increase activation energy
  3. inorganic catalyst
  4. none of the above.
AIPMT 2000
5

Which factor is responsible for inhibition of enzymatic process during feedback?

  1. Substrate
  2. Enzymes
  3. End product
  4. Temperature
AIPMT 2000
6

ATP is

  1. nucleotide
  2. nucleoside
  3. nucleic acid
  4. vitamin.
AIPMT 2000
7

Which of the following have carbohydrate as prosthetic group?

  1. Glycoprotein
  2. Chromoprotein
  3. Lipoprotein
  4. Nucleoprotein
AIPMT 2000
8

Essential amino acid is

  1. phenylalanine
  2. glycine
  3. aspartic acid
  4. serine
Out of syllabusAIPMT 2000

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Class 11The Living WorldBiological ClassificationPlant KingdomMorphology of Flowering PlantsAnatomy of Flowering PlantsCell: The Unit of LifeCell Cycle and Cell DivisionTransport in PlantsMineral NutritionPhotosynthesis in Higher PlantsRespiration in PlantsPlant Growth and Development
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