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CBSE Questions

Total Questions 9982
what is axis ?
what is seismograph?
which is the fastest flying bird ?
why can't carnivores be self dependent and have to depend on herbivores
define the terms: genetic drift geographical isolation natural selection speciation
1.find the middle term of an ap with 17 terms whose 5th term is 23 and the common difference is -2 2.if p(x,y) is any point on the line joining the points A(a,0)and B(0,b) , then show that x/a +y/b=1
what will happen if hydrogen molecule forms ionic bond,i.e, one hydrogen loses one electron and other gains an electron
Why population is a dynamic phenomenon?
CAN YOU PLEASE TELL ME WHY PEOPLE HAVE DIFFERENT HANDWRITINGS ?
WHAT IS THE STUDY OF CELLS CALLED ?
why ' mode= 3median + 2mean ' ?
Explain double fertilisation?
My father has blood group O-ve and my mother has blood group B+ve. I'm having blood group A+ve. Why is it so ?
Explain the process of evolution of wild cabbage.
What is the relation connecting mode , mean and median ?
Do you think that present methodology of poverty estimation is appropriate ?
Can u give the notes of civics chapter Political Parties ?
Find out any 5 implications of high density of population in India ?
what is precipitation?
is pluto a planet?