Which of the following, first discovered through mutagenesis studies in Drosophila, also function in the development of mammals like us?

a) hedgehog

b) homeobox genes

c) the Wnt family

d) the Toll signaling pathway

Which of the following combination is correct?

TLS Online TPP Program

#Question id: 19014

#Unit 13. Methods in Biology

Chromatography with solid stationary phase is called_________

TLS Online TPP Program

#Question id: 19015

#Unit 13. Methods in Biology

A combination of paper chromatography and electrophoresis involves______________

TLS Online TPP Program

#Question id: 19016

#Unit 13. Methods in Biology

In reverse phase chromatography, the stationary phase is made______________

TLS Online TPP Program

#Question id: 19017

#Unit 13. Methods in Biology

Which technique is also known as colour writing ?

TLS Online TPP Program

#Question id: 19018

#Unit 9. Diversity of Life Forms

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: 19019

#Unit 9. Diversity of Life Forms

Arrange the following structures, which can be found on male pine trees, from the largest structure to the smallest structure (or from most inclusive to least inclusive). 

1. sporophyte 2. microspores 

3. microsporangia 4. Pollen cone 

5. Pollen nuclei