List of practice Questions

Plants reproducing by spores such as mosses and ferns are grouped under the general term:
Which fractions of the visible spectrum of solar radiations are primarily absorbed by carotenoids of the higher plants:
Which endangered animal is the source of the world's finest, lightest, warmest and most expensive wool - the shahtoosh ?
Which one of the following pairs of plants are not seed producers ?
In alcoholic fermentation
Diffuse porous wood is characteristics of those Plants which are growing in
In sugarcane plant \(^{14}CO_2\) is fixed in malic acid, in which the enzyme that fixes \(CO_2\) is:
The reaction quotient (Q) for the reaction \(N_2(g) + 3H_2(g)⇋2NH_3(g)\) is given by \(Q =\frac { [NH_3]^2}{[N_2][H_2]^3}\). The reaction will proceed from right to left if: (where KC is the equilibrium constant)
For which one of the following equations is ∆Hºreact equal to ∆Hºf for the product:
The oxidation states of sulphur in the anions $SO _{3}{ }^{2-}, S _{2} O _{4}{ }^{2-}$ and $S _{2} O _{6}{ }^{2-}$ follow the order -
The mass number of a nucleus is
The angular speed of the electric in the nth orbit of Bohr hydrogen atom is
A particle originally at rest at the highest point of a smooth circle in a vertical plane, is gently pushed and starts sliding/along the circle. It will leave the circle at $a'$ vertical distance $h$. below the highest point such that
Which of the following is not an amino acid?
In the reaction $2 A+B \rightarrow A_{2} B$, if the concentration of $A$ is doubled and that of $B$ is halved, then the rate of reaction will
A plate has a length $ 5\pm 0.1\text{ }cm $ and breadth $ 2\pm 0.01\text{ }cm $ . Then the area of the plate is:
The Arrhenius equation expressing the effect of temperature on the rate constant of a reaction is
For which of the following reactions, $K_{p}=K_{c} ?$

The reading of voltmeter in the circuit shown is

Ostwald dilution law is applicable to
If the half-time for a particular reaction is found to be constant and independent of the initial concentration of the reactants, then the reaction is of
Which of the following is a non-colligative property?
Two vectors are given by $\vec{A}=\left(3\hat{i} +\hat{j}+3\hat{k}\right)$ and $ \vec{B}=\left(3\hat{i} +5\hat{j}-2\hat{k}\right)$. Find the third vector $\vec{C}$ if $\vec{A}+3\vec{B}-\vec{C}=0.$
Two projectiles are fired at different angles with the same magnitude of velocity, such that they have the same range. At what angles they might have been projected?
How will increase of pressure affect the equation? $C(s)+H_{2} O(g) C O(g)+H_{2}(g)$