Basic Science : Structure Of The Cell QUESTIONS AND ANSWERS :: part8 : 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.Nitrogen is |
| Non-mineral element |
| Mineral element |
| Nonmetal element |
| All the above |
2.Mineral forming 90% of the cations of blood plasma is |
| Mg |
| Ca |
| K |
| Na |
3.Number of essential elements in animals is |
| 16 |
| 18 |
| 20 |
| 24 |
4.Framework elements are |
| 6 |
| 4 |
| 3 |
| 2 |
5.Fluoride ion |
| Prevents tooth decay |
| Nonessential |
| Toxic even in small quantity |
| Both B and C |
More Structure Of The Cell QUESTIONS AND ANSWERS available in next pages
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