Q. Why did the man stare at Bepin Babu in disbelief?

Q. Who wrote the book origin of species?

Q. Give two functions of a fruit.

Q. Distinguish between electric potential and electric potential energy.

Q. Name the carrier of dengue fever.

Q. Name the rule which gives the direction of induced current.

Q. How are microwaves produced ? Why is it necessary in microwave ovens to select the frequency of microwaves to match the resonant frequency of water molecules ?

Q. Write the differences between C3 and C4 pathway.

Q. Explain the following terms:Hardy – schulze’s rule

Q. Describe the problem ‘For whom to produce’.