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TLS Online TPP Program

#Question id: 24185

In Moby Dick, Herman Melville wrote that the whale men were “enveloped in whale lines,” that each man relied on the others during moments of danger.

#General Aptitude
  1. The small boats that pursued the whales left the whaling ship far behind; each man in a boat had to depend on the others to stay alive.
  2. Once the whale was harpooned, the whale line unraveled so fast that water had to be poured on it to keep it from smoking.
  3. The whale line was the rope, dozens of yards long, that attached to the harpoon; it was raveled under the seats of all the men metaphorically connecting each man to the next.
  4. One wrong move and the line would snap a man right out of the boat; thus, his life depended on whether the crew would cut the whale loose to save him, or leave him in the ocean during the heat of the hunt.
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TLS Online TPP Program

#Question id: 19457

#Unit 13. Methods in Biology

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

#Unit 13. Methods in Biology

How phase contrast and DIC microscopy are used to image live cells and unstained tissues?
TLS Online TPP Program

#Question id: 19459

#Unit 13. Methods in Biology

Phase-contrast microscopy depends on the refractive index of the region of specimen and generates image in which we see a pattern of 
TLS Online TPP Program

#Question id: 19461

#Unit 13. Methods in Biology

Phase-contrast microscopy is suitable for observing which kind of sample?
1. Single cells 
2. Group of cells
3. Thin cell layers
4. Thick cell layers
Which of the following options is correct?
TLS Online TPP Program

#Question id: 19462

#Unit 13. Methods in Biology

Splitting of incident light and then recombining them to observe interference pattern occurs in which type of microscopy?
TLS Online TPP Program

#Question id: 19463

#Unit 13. Methods in Biology

DIC microscopy is used for visualizing 
1. Minute details
2. Thick objects
3. Thin objects
4. Larger details
Which among the following options is correct?