{"id":39463,"date":"2019-04-09T06:32:50","date_gmt":"2019-04-09T06:32:50","guid":{"rendered":"https:\/\/cbselibrary.com\/?p=39463"},"modified":"2020-11-23T18:57:17","modified_gmt":"2020-11-23T13:27:17","slug":"plus-two-chemistry-chapter-wise-questions-answers-chapter-14","status":"publish","type":"post","link":"https:\/\/cbselibrary.com\/plus-two-chemistry-chapter-wise-questions-answers-chapter-14\/","title":{"rendered":"Plus Two Chemistry Chapter Wise Questions and Answers Chapter 14 Biomolecules"},"content":{"rendered":"

Plus Two Chemistry Chapter Wise Questions and Answers Chapter 14 Biomolecules is part of Plus Two Chemistry Chapter Wise Questions and Answers<\/a>. Here we have given Plus Two Chemistry Chapter Wise Questions and Answers Chapter 14 Biomolecules.<\/p>\n

Kerala Plus Two Chemistry Chapter Wise Questions and Answers Chapter 14 Biomolecules<\/h2>\n

Plus Two Chemistry Biomolecules One Mark Questions and Answers<\/h3>\n

Question 1.
\nWhich of the following is an example of globular protein?
\n(a) Myosin
\n(b) Collagen
\n(c) Insulin
\n(d) Keratin
\nAnswer:
\n(c) Insulin<\/p>\n

Question 2.
\nThe vitamin essential for blood clotting is
\nAnswer:
\nVitamin K<\/p>\n

Question 3.
\nWhich base is present in RNA but not in DNA?
\n(a) Uracil
\n(b) Thymine
\n(c) Guanine
\n(d) ytosine
\nAnswer:
\n(a) Uracil<\/p>\n

Question 4.
\nSay TRUE or FALSE:
\nThe coagulation of egg white on boiling is an example of protein denaturation.
\nAnswer:
\nTrue<\/p>\n

Question 5.
\nThe linkage that holds monosaccharide units together in a polysaccharide is called …………………….
\nAnswer:
\nGlycosidic linkage<\/p>\n

Question 6.
\nProteins are essential for growth in animals. They are build up of amino acid molecules. How are different amino acid molecules linked in a proteins?
\nAnswer:
\nBy peptide linkage.<\/p>\n

Question 7.
\nWhat are the different types of RNA found in the cell?
\nAnswer:
\nm-RNA, t-RNA, r-RNA<\/p>\n

Question 8.
\nLactose is made of ………………….
\nAnswer:
\n\u03b2 -D galactose and \u03b2 -D glucose<\/p>\n

Question 9.
\nGlucose does not react with ………………..
\na) Br2<\/sub>\/H2<\/sub>O
\nb) NH2<\/sub>OH
\nc) HI
\nd) NaHSO3<\/sub>
\ne) CH3<\/sub>-CO-O-CO-CH3<\/sub>
\nAnswer:
\n(d) NaHSO3<\/sub><\/p>\n

Question 10.
\nAnaemia is caused by the deficiency of vitamin ………………………
\nAnswer:
\nB12<\/sub><\/p>\n

Question 11.
\nThe number of chiral C atoms on glucose and fructose are
\nAnswer:
\n4 in glucose and 3 in fructose<\/p>\n

Question 12.
\nGlucose on oxidation with bromine water give …………………………
\nAnswer:
\nGluconic acid<\/p>\n

Question 13.
\nName the vitamin responsible for the coagulation of blood.
\nAnswer:
\nVitamin K.<\/p>\n

Plus Two Chemistry Biomolecules Two Mark Questions and Answers<\/h3>\n

Question 1.
\nExplain the denaturation of protein.
\nAnswer:
\nWhen a protein is treated with acid, alkali or heated or subjected to change in pH, the secondary and primary structure of protein gets ruptured. Denaturation does not change the primary structure of proteins.<\/p>\n

Question 2.
\nWhy cannot vitamin C be stored in our body?
\nAnswer:
\nVitamin \u2018C\u2019 is a water soluble vitamin and they are readily excreted in urine and cannot be stored in our body.<\/p>\n

Question 3.
\nClassify the following into monosaccharides and disaccharides.
\nRibose, 2-deoxyribose, maltose, galactose, fructose and lactose.
\nAnswer:<\/p>\n