Biology Questions And Answers :: Tools Techniques: part3



Basic Science : Tools Techniques QUESTIONS AND ANSWERS :: part3 : 11 to 15

Following Basic Science multiple choice objective type questions and answers will help you in many types of 2024 job and other entrance examinations :

11.In air the numerical aperture of objective lens would be

1.6
1.35
1.0
Less than one

12.Which one is a new structure obtained during cell fractionation

Microsomes
Microbodies
Endoplasmic reticulum
Ribosome subunits

13.In cell fractionation, the various fractions obtained during differential centrifugation are

Plastidial, mitochondrial and microsomal
Nuclear, mitochondrial and microsomal
Nuclear, plastidial and cytosol
Plastidial, microsomal and cytosol

14.Microspectrophotometry analyses chemicals with the help of

Emission spectra
Absorption spectra
Ability to form gaseous components
Both A and C

15.The specimen for scanning electron microscope is first super cooled in liquid propane at

- 20°C
- 60°C
- 120°C
- 180°C

More Tools Techniques QUESTIONS AND ANSWERS available in next pages

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