Q5 of 66 Page 15

In which form do the plants store the trapped solar energy? ( CBSE 2005)

During photosynthesis, glucose (a type of carbohydrate) is formed by plants using solar energy. But plant stores glucose in the form of starch, a polysaccharide.

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3

In the following food chain, grass provides 4000 j of energy to the grasshopper. How much energy will be available to snakes and frogs?

Grass, Grasshopper, Frogs, Snakes. (CBSE 2013) 

 4

In the following food chain, 100 j of energy is available to the lion. How much energy was available to the producer?

. (CBSE 2010) 

 6

Pesticides added to the field is seen in increased amounts in the crop and in the birds that feed on them. What is the phenomenon called? ( CBSE 2013)

 7

Why is a lake considered to be a natural ecosystem? ( CBSE 2015)