Write a letter to the editor of a local newspaper expressing your concerns about the increasing “Pollution levels in your city”. You are an environmentalist, Radha/Rakesh, 46, Peak Colony, Haranagar. You may use the following cues along with your own ideas: 
Which one of the following options shows the correct evolutionary order of the plants mentioned below?
(i) Fern
(ii) Ginkgo
(iii) Zostrophyllum
(iv) Gnetales
Analyse the characters of William Douglas from ‘Deep Water’ and Mukesh from ‘Lost Spring’ in terms of their determination and will power in pursuing their goals.
Convert Ethanal to But-2-enal