NEET Questions Solved


(a) Public transport in Delhi uses CNG since 2002. List the advantages of this fuel policy.

(b) Construct labelled grazing and detritus food chains with minimum 3 trophic levels each.   (5 marks)

(a) Advantages of CNG :

   (i) CNG burns most efficiently, more than petrol or diesel in automobiles and very little of it is 

       left unburnt.

  (ii) CNG is cheaper than petrol or diesel and it can not be stolen by thieves and adulterated like

        petrol or diesel.


(b) Grazing food chain :


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