Biological Molecules

Master the Biological Molecules chapter for your MDCAT Biology preparation! Explore high-yield practice MCQs, topic-wise quizzes, and detailed explanations covering carbohydrates, proteins, lipids, nucleic acids, and enzymes. Aligned with the latest PMDC syllabus to help you score 100% in your pre-medical entrance exam.

MDCAT Biology Quiz: Biological Molecules Free MCQs 2

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Preparing for the MDCAT Biology Quiz? Challenge yourself with this 20-question practice test on Biological Molecules: covering DNA coiling, codon recognition, and sugar rings. Let us start the Online MDCAT Biology Quiz now:

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Online MDCAT Biology Quiz: Biological Molecules Practice MCQs with Answers

  1. Watson and Francis Crick built ———— model of DNA
  2. Nonsense codons are recognized by the
  3. Amino acids are arranged according to the information present on
  4. Chain length of rRNA molecule is ——————– nucleotide
  5. On hydrolysis, oligosaccharides yield —————- monosaccharides
  6. Coiling of DNA strands is
  7. Which of the following is a disaccharide?
  8. Glycogen resembles which of the following?
  9. The general formula of carbohydrates is $Cx$ (H20) $y$ where $x$ is the whole number
  10. Polyhydroxy aldehydes or ketones are
  11. The example of a polyhydroxy ketone is
  12. “Complex substances which on hydrolysis yield polyhydroxy aldehyde or ketone subunits” are
  13. The sources of carbohydrates are
  14. Glucose forms a six-corner ring called
  15. —————- corners of ribofuranose are occupied by carbon
  16. —————- corners of Glycopyranose are occupied by carbon atoms
  17. In the free state, glucose is present in
  18. In combined form, glucose is found in
  19. Starch, cellulose and glycogen yield on complete hydrolysis
  20. Glucose is naturally produced in
MDCAT Biology Quiz: Biological Molecules Practice MCQs

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Biological Molecules Practice Questions with Answers 1

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Test your knowledge with 20 high-yield MDCAT Biological Molecules Practice Questions MCQs on Biological Molecules, Enzymes, enzyme inhibition, carbohydrate structures, glycosidic linkages, and Carbohydrates. Boost your MDCAT score with practice quiz questions! Let us start with the online MDCAT Biology Test: Biological Molecules Practice Questions with Answers now:

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Online Biological Molecules Practice Questions with Answers

  1. A student of chemical engineering mistakenly ingested the toxic compound A, which was a potent inhibitor of a certain enzyme. He was immediately brought to the hospital, where Dr. injected substrate B intravenously to minimize the toxic effect of compound A. His life was saved from serious damage. The treatment method shows that compound A was a ————— inhibitor.
  2. If a molecule can bind to another site of the enzyme rather than the true active site, it is referred to as
  3. A non-protein part essential for proper and essential functioning of an enzyme is called
  4. The temperature that promotes the maximum activity of an enzyme is referred to as
  5. The covalent bond formed between two monosaccharides is called
  6. The bond formed between glucose and fructose to form sucrose is —————- linkage:
  7. Carbohydrates are organic molecules and contain three elements
  8. Which ones are intermediates in respiration and photosynthesis both?
  9. ————— is the most abundant carbohydrate in nature
  10. Which of the following is a keto sugar?
  11. The compounds which, on hydrolysis, yield polyhydroxy aldehyde or ketone subunits are
  12. Which one of the following is the formula structure of D ($\alpha$) glucose?
  13. In an amino acid in which the R-group is hydrogen, the amino acid will be
  14. Cellulose of wood, cotton, and paper is an example of
  15. The main constituents of cell walls in plants, algae, fungi, and eukaryotic microorganisms are
  16. Carbohydrates are composed of
  17. In simple carbohydrates, the ratio of hydrogen and oxygen is the same as in
  18. The most common respiratory substance as a source of energy is
  19. The simplest monosaccharide containing a keto group is
  20. Monosaccharides are major components of
Biological Molecules Practice Questions with Answers

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