Q8 of 26 Page 1

How is e-waste generated? Suggest a method for disposal of e-waste.

E-waste is the electronic waste consists of discarded electrical devices like computers, mobiles etc.

Its disposal is an issue that the world faces. One of the ways for its disposal is recycling.


More from this chapter

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6

(a) State the primary requirement to ensure cross breeding experiments in plants.

(b) Name the techniques which help to achieve this requirement.


 7

What is a cistron? Why is the structural gene in a transcription unit of eukaryotes called monocistronic and that in prokaryotes/bacteria called polycistronic ? Give reasons.

 9

Name the flowering plant which employs ‘sexual deceit’ to get pollinated by a species of bee. Write how pollination occurs in this flower.

 10

Differentiate between Commensalism and Mutualism. Give an example of each from the plant kingdom.

OR


Expand GPP and NPP. Differentiate between the two.