Chemical Constituents of Cells Practice Questions
20 free Chemical Constituents of Cells practice questions for the NCERT Biology, each with the correct answer and a detailed explanation. Open any question below, or take the full set as an interactive quiz.
Questions
20 questions
All Chemical Constituents of Cells questions
- Q1. Which of the following is an example of a secondary metabolite that is used as a drug?
- Q2. When performing a chemical analysis of living tissue using trichloroacetic acid, the 'acid-insoluble pool' represents which of the following?
- Q3. Which of the following is the most abundant protein in the whole of the biosphere?
- Q4. Amino acids are organic compounds containing an amino group and an acidic group as substituents on the same carbon. This carbon is known as the:
- Q5. Which amino acid contains sulfur in its structure?
- Q6. Lipids are generally water insoluble. A fatty acid with no double bonds between carbon atoms is described as:
- Q7. Lecithin is an example of a:
- Q8. Which of the following nitrogenous bases is found exclusively in RNA and not in DNA?
- Q9. A nucleoside is formed when a nitrogenous base is linked to a sugar. What is the resulting structure when a phosphate group is also attached to the nucleoside?
- Q10. Proteins are heteropolymers of amino acids. Which type of bond links individual amino acids together?
- Q11. The 'Primary Structure' of a protein refers to:
- Q12. In a polysaccharide chain, the individual monosaccharides are linked by which bond?
- Q13. Which of the following is a polymer of fructose?
- Q14. The chitinous exoskeleton of arthropods is formed by the polymerization of:
- Q15. In the B-DNA model proposed by Watson and Crick, the pitch of the helix is:
- Q16. Which protein structure is absolutely necessary for the biological activity of enzymes?
- Q17. Essential oils like sandalwood or lemon grass oil are classified as:
- Q18. Which of the following is NOT a characteristic of zwitterionic form of amino acids?
- Q19. The most abundant element in the human body by weight percentage is:
- Q20. What is the function of the protein GLUT-4?