List of practice Questions

The size of mitochondria in plant cell is
The scutellum observed in a grain of wheat or maize is comparable to which part of the seed in other monocotyledons?
The respiratory pigment present in Cockroach is
The ratio of $\left(\frac{\text{charge}}{\text{mass}}\right)$ of a proton to that of an $\alpha$ particle is
The process of photosynthesis is most active in
The potential energy function for the force between two atoms in a diatomic molecule is approximately given by $U\left(x\right) = \frac{a}{x^{12}} - \frac{b}{x^{6}}$, where a and b are constants and x is the distance between the atoms. If the dissociation energy of the molecule is $d = \left[U\left(x = \infty\right) - U_{at \,equilibrium}\right], D$ is
The pollination of two flowers on different plants is known as
The pH of an acidic buffer mixture is
The PCR technique was invented by
The oxidation number of sulphur in $H_2S_2O_8$, $H_2S_2O_4$, $H_2S_2O_6$, are respectively
The optical path of a monochromatic light is same if it goes through $4.0 \,cm$ of glass or $4.5 \,cm$ of water. If the refractive index of glass is $1.53$, the refractive index of the water is
The number of complex numbers $z$ such that $|z - 1| = |z + 1| = |z - i|$ equals
The number of autosomes in human sperm are
The name of the complex $ [Pt{{(N{{H}_{3}})}_{6}}]C{{l}_{4}} $ is
The most important mineral for blood coagulation is
The monomer units of starch are
The molal elevation or ebullioscopic constant for water is
The mass and diameter of a planet are twice those of earth. The period of oscillation of pendulum on this planet will be (if it is a seconds pendulum on earth)
The mammalian blastula is known as
The latent heat of vaporisation of a substance is always
The ionisation potential of mercury is $10.39\, V$. How far ah electron must travel in an electric field of $ 1.5\times {{10}^{6}}V/m $ to gain sufficient energy to ionise mercury?
The head of Cockroach lacks
The genetically-modified (GM) brinjal in India has been developed for
The formula of chloral is
The following arrangement consists of five identical metal plates marked $1$, $2$, $3$, $4$ and $5$ parallel to each other. Area of each plates is $A$ and separation between the successive plates is $d$. The capacitance between $P$ and $Q$ is