Practice Questions

TLS Online TPP Program

#Question id: 12322

Which of the following could qualify as a top-down control on a grassland community?

#Unit 10. Ecological Principles

Limitation of plant biomass by rainfall amount
Influence of temperature on competition among plants
Influence of soil nutrients on the abundance of grasses versus wildflowers
Effect of grazing intensity by bison on plant species diversity

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TLS Online TPP Program

#Question id: 18862

#Unit 13. Methods in Biology

What is the shortest distance that the eye must go to concentrate on any object?

TLS Online TPP Program

#Question id: 18863

#Unit 13. Methods in Biology

A microscopes resolving power is a function of-

TLS Online TPP Program

#Question id: 18864

#Unit 13. Methods in Biology

In light microscopy, the highest resolution is attained with-

TLS Online TPP Program

#Question id: 18865

#Unit 13. Methods in Biology

The NA value of an oil immersion objective lens is___________.

TLS Online TPP Program

#Question id: 18866

#Unit 13. Methods in Biology

In fluorescence microscopy, which of the following controls the removal of all light except blue light?

TLS Online TPP Program

#Question id: 18867

#Unit 13. Methods in Biology

_________ is used to acquire total magnification.