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TLS Online TPP Program

#Question id: 5576

The polarity of a plant is established when ________.

#Unit 5. Developmental Biology

  1. cotyledons form at the shoot end of the embryo

  2. the shoot-root axis is established in the embryo

  3. the primary root breaks through the seed coat

  4. the shoot first breaks through the soil into the light as the seed germinates

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TLS Online TPP Program

#Question id: 17997

#Unit 13. Methods in Biology

In RNA isolation, for protein free solution what will be the ratio at  nm
TLS Online TPP Program

#Question id: 17998

#Unit 13. Methods in Biology

Eukaryotic mRNA species are isolated by using
TLS Online TPP Program

#Question id: 18001

#Unit 9. Diversity of Life Forms

Where in an angiosperm would you find a megasporangium? 

TLS Online TPP Program

#Question id: 18002

#Unit 9. Diversity of Life Forms

What is the greatest threat to plant diversity? 
TLS Online TPP Program

#Question id: 18003

#Unit 9. Diversity of Life Forms

In a typical angiosperm, what is the sequence of structures encountered by the tip of a growing pollen tube on its way to the egg? 
1. micropyle 2. style 
3. ovary 4. stigma 
TLS Online TPP Program

#Question id: 18004

#Unit 9. Diversity of Life Forms

Which of the following flower parts develops into a seed?