Basic Science : Diversity Living World QUESTIONS AND ANSWERS :: part5 : 1 to 5
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
1.Sharing of valence electrons products a chemicals bond called |
| Covalent bond |
| Hydrogen bond |
| Ionic bond |
| All the above |
2.Number of elements essential for life is |
| 95 |
| 45 |
| 25 |
| 14 |
3.The most abundant 6 elements found in living beings are |
| C, H, N, O, P and S |
| C, H, N, O, Ca and Na |
| C, H, O, K, Na and Mg |
| C, Ca, O, H, Mg and Mn |
4.Hydrogen bonds amongst water molecules have bestowed the property of |
| Liquid with ability to flow |
| High viscosity, high specific heat and high heat of vaporisation |
| High boiling point and low freezing point |
| All the above |
5.Receptor molecules transmitting signals to brain separate |
| After initiation of response |
| Before initiation of response |
| Before completion of response |
| After completion of response |
More Diversity Living World QUESTIONS AND ANSWERS available in next pages
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