Basic Science : Diversity Living World QUESTIONS AND ANSWERS :: part7 : 11 to 15
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
11.In hormone insulin, the two polypeptides are joined together by |
| Ionic bonds |
| Covalent bonds |
| Hydrogen bonds |
| Both B and C |
12.-CONH- is called |
| Ionic bond |
| Amide bond |
| Peptide bond |
| Both B and C |
13.In haemoglobin, the adjacent polypeptide chains are held together by |
| Covalent bonds |
| Hydrogen bonds |
| Both covalent and hydrogen bonds |
| Ionic bonds |
14.Uracil of RNA is replaced by …….. in DNA |
| Guanine |
| Adenine |
| Thymine |
| Cytosine |
15.The two chains of DNA double helix are held together by |
| Oxygen bonds |
| Peptide bonds |
| Covalent bond |
| Hydrogen bonds |
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