Biology Questions And Answers :: Tools Techniques: part3



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

More Tools Techniques QUESTIONS AND ANSWERS available in next pages

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