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Kerala (English Medium)->Plus 1 Biology Science Questions

Total Questions 361
What is energy?
Importance of satellites
Which are the different states
What is meiosis ?
THE STRUCTURE OF A DNA?
sin(180+x)?
What is the value of (A+B)*(A-B).Where A&B are vectors.
Growth is not a defining property of living.Why?
can you give me introduction on friction?
prove that sin^2 a + cos^2 a=1
Explain first law of thermodynamics.
What is spors?
Eukaryotic cell have membrane bound cell organelles. But prokaryotes does not have membrane bound cell organelles. Centiole and ribosomes are non membrane bound organelles. Are centriole and ribosome present in prokarotic cells ? And what are the other organelles present in the prokaryotic cells?
which is the main characters of phylum ctenophora?
what is chemical bond?
(1,2) SUBSETS
if uncertainly in position and velocity are equal then uncertainty in momentum will be......?
calculate the wavelength of light required to break the bond between two chlorine atoms in a chlorine molecule.the cl-cl bond energy is 243Kj mol-1
i want some imp questions on the chapter units and measuerments
how to write mesomeric effect of +m&-m