Species characteristics that make them less prone to extinction are listed below:

A. Narrow niche and specialized

B. High dispersal power

C. High trophic status

D. Long life span

Which of the following is the correct combination?

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#Question id: 19450

#13. Methods in Biology

Why do we go for higher refractive index when we want to achieve?

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#Question id: 19451

#13. Methods in Biology

We use different lenses in combinations. The total magnification is represented as

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#Question id: 19452

#13. Methods in Biology

Angle of aperture is best considered for achieving better resolution (D)

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#Question id: 19453

#13. Methods in Biology

What will be the value of resolution when the angle given is 60O  and R.I. given is 1.3 at 340nm?

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#Question id: 19454

#13. Methods in Biology

Resolving power has the ability to distinguish between 

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#Question id: 19456

#13. Methods in Biology

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