Basic Science : Tools Techniques QUESTIONS AND ANSWERS :: part3 : 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.Dehydration of specimen for SEM is carried out in alcohol at |
| - 70°C |
| - 35°C |
| - 5°C |
| 15°C |
2.Homogenisation is |
| Breaking a tissue into cells |
| Crushing a tissue to separate cells from intercellular substances |
| Breaking of cells and suspending them in 0.25 M sucrose solution |
| Separation of different cellular components |
3.A technique used to study substances present inside cells, their extracts and emissions is |
| Chromatography |
| Electrophoresis |
| Specific stains |
| Microspectrophotometry |
4.Taylor (1958) studied chromosome replication by using radioactive |
| Uridine |
| Thymidine |
| Histones |
| Phosphate |
5.What will you call to the study of plant and animal tissues outside the body in a glass tube |
| In vivo |
| In vitro |
| Innate |
| Ecdysis |
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