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Kerala (English Medium)->Plus 2 Biology Science Questions

Total Questions 664
What is the significance of paleontolagical evidence?
evening smartindians ! please do give me the list of the plants used for A)layering B)grafting C)budding and kindly give some instructions to be considered during doing these things out.for i am going for a competition of the same. hope you will tell me the different kinds of layering , grafting and budding. i have one request too , please do upload the model question papers of plus one bio science as soon as you can.
EXPLAIN RNA INTERFERENCE TECHNOLOGY?
what is vapoure pressure?
What is organic chemistry?
what is friction? merits and demerits of friction ? how to reduce friction ?
find a G.P for which sum of the first two terms is -4 and the fifth term is 4 times the third term
if A.M and G.M of roots of a quadric equation are 8 and 5 ,respectively, then obtain the quadric equation
what will Rs 500 amounts to in 10 years after its deposit in a bank which pays annual interest rate of 10% compounded anually
find the value of n so that 'a' raised to n+1 + 'b' raised to n+1 the whole divided by 'a'raised to n + 'b' raised to n may be the geometric mean between a and b
if the first and the nth term of a G.P are a and b, respectively,and if p is the product of n terms,prove that p raised to 2 = ab whole raised to n
if the p th ,q th and r th terms of a G.P are a,b,c respectively.Prove that a raised to q-r b raised to r-p c raised to p-q =1
find four numbers forming a geometric progression in which the third term is greater than the first term by 9 ,and the second term is greater than the 4 th by 18.
show that the products of the corresponding terms of the sequences a,ar,ar raised to 2,...................ar raised to n-1and A,AR,AR raised to 2,...........AR raised to n-1 form a G.P,and find the common ratio
the sum of first 3 terms of a G.P is 16 and the sum of the next 3 terms is 128.determine the first term ,the common ratio and the sum to n terms of the G.P
state gausess theorem in magnetostatics
what is the structure of DNA?
what is the difference between absorption and adsorption?
find 4 terms forming a geometric progression in which the third term is greater than first term by 9 and second term is greater than 4 th by 18 find the value of n so that a raised to n+1 + b raised to n+1 divided by a raised to n + b raised to n (please do give explanation) one bank gives thousand rupees on interest of 168 rupees for 6 months, another bank gives rupees 100 on interest of 3 rupees per month.borrowing money from which bank is profitable? why?
let R be a relation from N to N defined by R={(a,b):a,b belongs to N and a = square of b.are the following true? give reasons too 1) (a,a) belongs to R,for all a belongs to N 2) (a,b) belongs to R,implies (b,a)belongs to R 3)(a,b)belongs to R,(b,c)belongs to R implies (a,c) belongs to R dont forget to give explanation.