State true or false:
Discovery of enzyme Eco R1 let to award of Nobel Prizes to W.Arber,H.Smith and D.Nathans in 1978.

Discovery of enzyme Eco R1 led to award of Nobel Prizes to W. Arber, H. Smith and D. Nathans in 1978.

Who has got the Nobel Prize for the discovery of type II restriction enzymes ? A). W.Aeber B). A.Tiselius (C) H.Smith (D) . Nathans .

State True or False: A solid cylinder of radius r and height h is placed over other cylinder of same height and radius. The total surface area of the shape so formed is 4pi h + 4pi r^2

State true or false for the given statement : Let R = { (3, 1), (1, 3), (3, 3)} be a relation defined on the set A = {1, 2, 3}. Then, R is symmetric, transitive but not reflexive.

State True or False: The following data is not consistent: byx+ bxy =1.3 and r = 0.75

State True or False: If b_(yx)=1.5 and b_(xy)=1/3 then r = 1/2 . The given data is consistent.

Correct the following sentences: A) C_(3) cycle is also called Calvin cycle after its discover, Melvin Calvin, who was awarded Nobel Prize in 1951. B) The oxygenase activity of the enzymes RUBISCO allows O_(2) to compare with CO_(2) for combining with RuMP. c) The main purpose of light reaction is to generate assimilatory power in the form of ATP and NADPH. D) Accessory pigments absorb light and transfer it to pheophytm for conversion to electrical energy.

Let P, Q, R be three non-collinear points having rational coordinatse. (1) Coordinates of incentre of DeltaPQR are rational (2) Incentre of a triangle is the point of intersection of internal bisectors of angle of the triangle. (A) Both 1 and 2 are true and 2 is the correct explanation of 1 (B) Both 1 and 2 are true and 2 is not a correct explanation of 1 (C) 1 is true but 2 is false (D) 1 is false but 2 is true

State true or false for the following. Let z_(1) " and " z_(2) be two complex numbers such that |z_(2) + z_(2)| = |z_(1) | + |z_(2)| , then arg (z_(1) - z_(2)) = 0