Punjab 12th Class Chemistry Biochemistry Mcqs Test Online Punjab 12th Class Chemistry Biochemistry Mcqs Test Online 1234567891011121314151617181920Show paginator Hide paginator Question 1 of 20Chemistry 1. __________ of the human body weight is mineral matter? 1.5% 2.50% 3.10% 4.100%Question 1 of 20Question 2 of 20 2. Which maintain pH, nerve conduction, tissue growth, support to the body and aids in transfer of nutrients across cell membranes are: 1.Proteins 2.Enzymes 3.Carbohydrates 4.Minerals Question 2 of 20Question 3 of 20 3. Nucleic acids was discovered by 1.None of these 2.Doniel koshland 3.Friedreik miescher 4.Emil fischer Question 3 of 20Question 4 of 20 4. _________ is needed for vitamin C utilization: 1.Acid 2.Calcium 3.Phosphorus 4.Iron Question 4 of 20Question 5 of 20 5. The long chains of Amino Acids are called: 1.Proteins 2.Polypeptide 3.Monopeptides 4.Oils Question 5 of 20Question 6 of 20 6. Pyridine contains 1.Cytosine 2.Uracil 3.Both a and b 4.Thymine Question 6 of 20Question 7 of 20 7. Prosthetic groups are: 1.Proteinsous nature 2.Loosely attached with enzymes 3.Tightly bound to enzyme 4.Required by all enzyme. Question 7 of 20Question 8 of 20 8. The mineral, related with the formation of bones and teeth is: 1.Phosphorus 2.Sulphur 3.RNA 4.Iron Question 8 of 20Question 9 of 20 9. DNA and RNA are made up of: 1.None of these2.Neurons 3.Nucleotides 4.Peptides Question 9 of 20Question 10 of 20 10. Proteins are used in both forms of: 1.Catabolism 2.Enzymes 3.Anabolism 4.Metabolism Question 10 of 20Question 11 of 20 11. A protein hormone which leads to diabetes mellitus is 1.Glucageon 2.Progesterone3.Estrogen 4.Insulin Question 11 of 20Question 12 of 20 12. Lipids are generally defined in terms of: 1.Molarity 2.All of these3.Solubility 4.Structure Question 12 of 20Question 13 of 20 13. The component of blood that carries oxygen in the body is: 1.Hemoglobin 2.Amino Acid 3.Fats 4.Myoglobin Question 13 of 20Question 14 of 20 14. Macromolecules are of how many types? 1.Five 2.Three 3.Four 4.Six Question 14 of 20Question 15 of 20 15. Most RNA molecules are: 1.Independent 2.Single Stranded 3.Multiple Stranded 4.Double Stranded Question 15 of 20Question 16 of 20 16. The no. of carbon atoms in hexose is: 1.Four 2.One 3.Six 4.Ten Question 16 of 20Question 17 of 20 17. What is TRUE about cofactors? 1.Increase activation energy 2.Help facilitate enzyme activity 3.Are composed of proteins 4.Break hydrogen bonds in proteins Question 17 of 20Question 18 of 20 18. Purines are made from how many heterocyclic rings: 1.Four 2.Three 3.One 4.Two Question 18 of 20Question 19 of 20 19. __________ are the major component of soap: 1.Palm Oils 2.Saccharides 3.Fatty Acids 4.Proteins Question 19 of 20Question 20 of 20 20. Biochemistry covers the practical application of: 1.All of these2.Agriculture 3.Medicine 4.Nutrition Question 20 of 20 Loading... Test By Subject Punjab Test By Topics 12th Class Chemistry You Can Learn and Gain more Knowledge through our Online Quiz and Testing system Just Search your desired Preparation subject at Gotest.