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Kerala (English Medium)->Std 9 Questions

Total Questions 530
what you mean by parthenogenesis& what could be it's reason?
What is feudalism?
What is food chain?
Raji's age is 3 times that of her brother rajan. after 2 years, raji's age would be 2 times that of rajan. how old are they now?
seminar's conclusion and introduction - "anti - colonial struggles"
what is frictional force?
what is elastic force?
what is rigveda? what does it talk about?
why is our India known as the sovereign republic democratic socialist secular country?
what is the role of peristalsis in digestion?
Breaking food items into simpler forms-is it chemical digestion or mechanical digestion?
what is chemosynthesis?
What is the current obtained in the external circuit of a dc generator if the field magnets are rotated instead of the armature coil?
if the number of oscillations are 10 and the period is 2 then what is the frequency and the time taken for it?
What are surface tension. Does it have any definition.
What is kinetic energy
what are the av waves?
Mass no is the no. of neutrons and no. of protons added. Then how come chlorine has a mass no. 35.5?
Neurons cannot divide.But then how are they formed and where?
Both a plug and a socket has specific phase and neutral. Still two pin plugs can be inserted anyway into the sockets. Why?