Q. How are vitamins classified? Name the vitamin responsible for the coagulation of blood.

Q. How many dimensions does a solid have?

Q. What is the greatest prime number between 1 and 10 ?

Q. Name the chemical responsible for the antiseptic properties of Dettol.

Q. Define sure event.

Q. What do you mean by sex ratio? Why is it important to know about it? What is meant by unfavourable sex ratio?

Q. Estimate the sum to the nearest ten: (356 + 275)

Q. Write the consequences of lanthanide contraction?

Q. What is emulsification? Write its importance.

Q. Name the two headstreams of the Ganga. Where do they meet to form the Ganga?