If you fractionate all the organelles from the cytoplasm of a plant cell, in which one of the following sets of
fractions will you find nucleic acids ?
(A) nucleus, mitochondria, chloroplast, cytoplasm
(B) nucleus, mitochondria, chloroplast, glyoxysome
(C) nucleus, chloroplast, cytoplasm and peroxisome
(D) nucleus, mitochondria, chloroplast, Golgi bodies
In triangle ABC, let AD, BE and CF be the internal angle bisectors with D, E and F on the sides BC, CA and AB
respectively. Suppose AD, BE and CF concur at I and B, D, I, F are concyclic, then ∠IFD has measure
A boat crossing a river moves with a velocity v relative to still water. The river is flowing with a velocity v/2 with respect to the bank. The angle with respect to the flow direction with which the boat should move to minimize the drift is
option
(A) 30 degree
(B) 60 degree
(C) 150 degree
(D) 120 degree
In Young's double slit experiment, the distance between the two slits is 0.1 mm, the distance between the slits
and the screen is 1 m and the wavelength of the light used is 600 nm. The intensity at a point on the screen is
75% of the maximum intensity. What is the smallest distance of this point from the central fringe ?
(A) 1.0 mm (B) 2.0 mm (C) 0.5 mm (D) 1.5 mm
Let f : R → R be a differentiable function such that f (a) = 0 = f (b) and f ′(a) f ′(b) > 0 for some a < b. Then
the minimum number of roots of f ′(x = 0 in the interval (a, b) is-
(A) 3 (B) 2 (C) 1 (D) 0