Ch – 6 Combustion & Flame

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

Ch – 10 Reaching The Age Of Adolescence (Part 2)

Q.1: Dwarfism is caused due to the ____________ of growth hormones.

Ch – 10 Reaching The Age Of Adolescence (Part 1)

Q.1: The first menstrual flow which begins at puberty in women is called __________.