Basic Science : Tools Techniques QUESTIONS AND ANSWERS :: part6 : 26 to 30
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
26.Arrangement of atoms and molecular groups in DNA and RNA can be studied through |
| Spectrophotometer |
| X-ray diffraction |
| Histochemistry |
| Centrifugation |
27.Types of lenses in a compound microscope are |
| 3 |
| 4 |
| 2 |
| 1 |
28.Radioisotope employed for studying synthesis of protein is |
| ¹⁵N |
| ³⁵S |
| Both A and B |
| ³²P |
29.Light source in electron microscope is |
| Infra-red light |
| Ultraviolet radiations |
| Beam of electrons |
| Cooled day light |
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