which trait(s) is (are) shared by many modern gymnosperms and angiosperms? 

1. Pollen transported by wind 

2. Lignified xylem 

3. Microscopic gametophytes 

4. Sterile Sporophylls, modified to attract pollinators 

5. Endosperm 

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.