3 B. Tricky Questions in Biology

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Some may say Biology is as easy as counting numbers. Physics, chemistry and mathematics seem to be tough. But where would you find the exceptions. Moreover the exceptions within exceptions. The field of biology is too vast to be governed by natural laws. And that makes it difficult although looks easy.

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Question 11 : Question 11

In a open heart surgery the tube attached here to an instrument that supply oxygen is called as…. : In a open heart surgery the tube attached here to an instrument that supply oxygen is called as….

Oxygenator : Oxygenator First time used in 1953 Useful in : Coronary bypasses Heart transplants Removal and replacement of damaged valves Repair of other structural defects

Question 12 : Question 12

Potato is a stem or a root ? And why? : Potato is a stem or a root ? And why?

Slide 6 : The potato is another example of shoot Specialized for storage. The potato swells as sugars made in above-ground leaves are pumped into it and converted into starch for long term storage

Question 13 : Question 13

Can you recognize this microscope? : Can you recognize this microscope?

An Electron Microscope : An Electron Microscope Resolving power 0.2 Ao Can magnify 200000 times Invented by……. M Knoll and E Ruska