Insects such as Drosophila undergo three molts before becoming a pupa and undergoing metamorphosis. Molting, which is also called 'ecdysis', is controlled by what hormone?

TLS Online TPP Program

#Question id: 17804

#Unit 9. Diversity of Life Forms

Which of the following is a secondary compound of embryophytes? 

TLS Online TPP Program

#Question id: 17805

#Unit 9. Diversity of Life Forms

Gymnosperms and angiosperms have the following in common except 

TLS Online TPP Program

#Question id: 17806

#Unit 9. Diversity of Life Forms

Which of the following is not a characteristic that distinguishes gymnosperms and angiosperms from other plants? 

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