Basic Science : Tools Techniques QUESTIONS AND ANSWERS :: part4 : 21 to 25
Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :
21.Fuelgen stain for DNA is |
| Neutral red |
| Gentian violet |
| Basic fuchsin |
| Cotton blue |
22.Wavelength of radiation used in electron microscope is |
| More than light |
| Less than light |
| Like X-rays |
| Equal to light |
23.Buoyant density centrifugation is carried out at centrifugal force of |
| 50,000 g for 1 – 3 hours |
| 50,000 g for 20 hours |
| 1,00,000 g for 1 – 3 hours |
| 1,00,000 g for 20 hours |
24.The base material used in electrophoresis is |
| Polyacrylamide |
| Agarose |
| Carragenin |
| Both A and B |
25.Gel used in gel fractionation chromatography is |
| Agar |
| Carrageenin |
| Sephadex |
| Acacia gel |
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