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TLS Online TPP Program

#Question id: 11092

Which statement is the most accurate definition of external respiration?

#Part-B Specialized Branches in Biotechnology
  1. Bulk flow (convection) of air or water to and from the gas-exchange membrane.
  2. The process by which O2 is transported to the gas-exchange membrane from the environmental medium and by which CO2 is transported away from the membrane into the environmental medium.

  3. The process by which CO2 is transported to the gas-exchange membrane from the environmental medium and O2 is transported away from the membrane into the environmental medium.

  4. Diffusion of O2 and CO2 across the gas exchange membrane.
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TLS Online TPP Program

#Question id: 19455

#Part-B Specialized Branches in Biotechnology

Resolution is improved by using 
1. Shorter wavelengths of light 
2. Gathering less light
3. Gathering more light
4. Longer wavelengths of light 
Choose the option with all incorrect statements?
TLS Online TPP Program

#Question id: 19456

#Part-A Aptitude & General Biotechnology

Phase contrast, dark field microscopy are all light microscopy. These microscopes have their limit of resolution upto
TLS Online TPP Program

#Question id: 19456

#Part-B Specialized Branches in Biotechnology

Phase contrast, dark field microscopy are all light microscopy. These microscopes have their limit of resolution upto
TLS Online TPP Program

#Question id: 19457

#Part-A Aptitude & General Biotechnology

Which microscopy can be used for viewing live cells and unstained tissues?
1. Fluorescence microscopy
2. Phase contrast microscopy
3. Dark field microscopy
4. Differential interference microscopy
5. Confocal microscopy
Which of the above combinations of microscopy is correct?
TLS Online TPP Program

#Question id: 19457

#Part-B Specialized Branches in Biotechnology

Which microscopy can be used for viewing live cells and unstained tissues?
1. Fluorescence microscopy
2. Phase contrast microscopy
3. Dark field microscopy
4. Differential interference microscopy
5. Confocal microscopy
Which of the above combinations of microscopy is correct?
TLS Online TPP Program

#Question id: 19458

#Part-A Aptitude & General Biotechnology

How phase contrast and DIC microscopy are used to image live cells and unstained tissues?