Q.1: Cellulose is made up of large number of ____________ units.
Q.1: When a combustible substance burns on its own without the help of any external heat, it is known as ______________ combustion. a) rapid b) spontaneous c) explosive
Q.1: Dwarfism is caused due to the ____________ of growth hormones.
Q.1: The first menstrual flow which begins at puberty in women is called __________.