Punjab 11th Class Biology Chapter 2 Biological Molecules Mcqs Test Online Biology Chapter 2 Biological Molecules Mcqs Test Online Class 11th Punjab 123456789101112131415Show paginator Hide paginator 7% Question 1 of 15Biology 1. Estrogen, vitamin-D and cholesterol are all examples ofLipoproteins Terpenes SteroidsGlycolipids Question 1 of 15Question 2 of 15 2. Which statement correctly describes a property of water? At normal room temperature, its molecules are bound together by ionic bondsThe highest density of water occurs below its freezing point Water acts as solvent for nonpolar moleculesA relatively large amount of heat is needed to increase its temperatureQuestion 2 of 15Question 3 of 15 3. Glycerol is the backbone molecule for ATP Steroids Neutral lipids Terpenes Question 3 of 15Question 4 of 15 4. An amino acid molecule has the following structure: Which two of the groups combine to form a peptide link between two amino acids?2 and 3 2 and 41 and 3 1 and 2 Question 4 of 15Question 5 of 15 5. Choose the pair of terms that correctly completes this sentence: Nucleotide are to ……….. as ………….. are to proteins.Amino acids; polypeptides Polymers; polypeptidesNucleic acids; amino acids Glycosidic linkages; polypeptide linages Question 5 of 15Question 6 of 15 6. When two amino acids are linked to from peptide linkage ………… is removed Carbon Water Hydroxyl Nitrogen Question 6 of 15Question 7 of 15 7. Glycolipids and lipoprotein are important components of None of them Cellular membrane Cell wall Both of them Question 7 of 15Question 8 of 15 8. A polar molecule is ………………… in waterSoluble Insoluble InertReactive Question 8 of 15Question 9 of 15 9. In RNA the nitrogen base that takes the place of thymine is Adenine Uracil Guanine Cytosine Question 9 of 15Question 10 of 15 10. What if the theoretical number of chemically different dipeptides that may be assembled from two different amino acids? Three Two Four One Question 10 of 15Question 11 of 15 11. A fatty acid is unsaturated if it: Contains hydrogen Contains an acid group Contains double bonds All of themQuestion 11 of 15Question 12 of 15 12. The enantiomer of D-glucose is: L-galactose None of these Both of theme D-galactose Question 12 of 15Question 13 of 15 13. The ending–ose means a substance is a Lipid Protein Nucleic acid Sugar Question 13 of 15Question 14 of 15 14. Which term includes all others?Polysaccharide Carbohydrate Starch Monosaccharide Question 14 of 15Question 15 of 15 15. Which class of molecule is the major component of cell membrane? Phospholipid Triglyceride Wax Cellulose Question 15 of 15 Loading... Test By Subject Punjab Test By Topics 11th Class Biology You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.