Let the functioin ‘f’ be defined by f (x) = 5x² + 2 ∀ x ∈ R, then ‘f’ is

The period of sin² θ is

The domain of sin-1 (log (x/3)] is.

If the function f(x) = x³ + e^x/2 and g (x) = fⁿ(x), then the value of g'(1) is

What type of relation is ‘less than’ in the set of real numbers?

If A = [1, 2, 3}, B = {5, 6, 7} and f: A → B is a function such that f(x) = x + 4 then what type of function is f?

f: A → B will be an into function if

If f : R → R such that f(x) = 3x then what type of a function is f?

A = {1, 2, 3} which of the following function f: A → A does not have an inverse function

Let T be the set of all triangles in the Euclidean plane, and let a relation R on T be defined as aRb if a congruent to b ∀ a, b ∈ T. Then R is

Two point charges +8q and -2q are located at ,v = O and ,v = L respectively. The location of a point on the .v-axis at which the net electric field due to these two point charges b is zero :

A parrot comes and sits on a bare high power line. It will:

When placed in a uniform field, a dipole experiences:

Which one of the following is the unit of electric field?

If an electric dipole is kept in a uniform electric field then resultant electric force on it is :

The work done in rotating an electric dipole in an electric field:

If sphere of bad conductor is given charge then it is distributed on:

Electric field in a cavity of metal:

Each of the two point charges are doubled and their distance is halved. Force of interaction becomes p times, w here p is :

The dielectric constant of a metal is:

Clear cut vegetative, reproductive and senescent phases cannot be observed in

Appearance of vegetative propagules from the nodes of plants such as sugarcane and ginger is mainly because

Which of the following is a post-fertilisation event in flowering plants?

The male gametes of rice plant have 12 chromosomes in their nucleus. The chromosome number in the female gamete, zygote and the cells of the seedling will be, respectively

The wall of the ovary forms

Which of the labelled parts in the transverse section of tomato fruit, is/are diploid?

In which of the following plants, sepals do not fall off after fertilisation and remain attached to the fruit?

In flowering plants, both male and female gametes are non-motile. The method to bring them together for fertilisation is

In maize, a meiocyte has 20 chromosomes. What will be the number of chromosomes in its somatic cell?

If a butterfly has chromosome number 360 in its meiocyte (2n). What will be the chromosome number in its gametes?