List of practice Questions

The gravitational field in a region is given by $\bar{E}=(4i+j)N/kg.$ Workdone this field is zero when a particle is moved along the line
The graph showing the dependence of intensity of transmitted light on the angle between polariser and analyser, is
The gravitational potential energy of a body in the gravitational field of earth is minimum
The graph of the function $\cos x \cos (x + 2) - \cos^2 (x + 1)$ is
The Government of India has passed the environment (Protection) Act in the year
The gold numbers of four protective colloids O, P, Q and R are 0.005, 0.01, 0.1 and 0.5 respectively. The decreasing order of their protective power is
The given figures represent types of meiosis. Identify them and select the correct option. A B C
The given figure shows the vertical section of human heart. Identify the parts labelled as $A$ to $K$.
The given diagram represents the $T.S$. of gut. Identify $A, B, C$ and $D$
In Krebs cycle :
The genetic material of $HIV$ is
The general value of $\theta$ satisfying the equation $2 \sin^2\theta - 3 \sin \theta -2 = 0$ is
The gene $'rop'$ present in $pBR322$ cloning vector, codes for
The function of glyoxysome is
The function of our visceral organs is controlled by
The function of the mucus elevator in the mammalian respiratory system is to
The function of basement membrane in epithelial tissue is to
The formula of sodium zeolite which is used in permutit process for softening water is
The formula for permutit or zeolite which is used as softner in ion-exchange method is
The formula $2\,\sin^{-1}x=\sin^{-1}(2x\sqrt{1-x^2})$ holds for
The force required to stretch a steel wire of $1\,s cm$ cross-section to $1.1$ times, its length would be ($Y=2 \times 10^ {11} Nm ^{-2}$).
The form of sugar transported through phloem is
The following table summarises the differences between biodegradable and non-biodegradable pollutants. Pick out the wrong differences and select the correct answer.
The following reaction is known as $ {C6H6 + CH3Cl ->[AlCl_3][(\text{anhy}.)] C6H5CH3 + HCl}$
The following statements are given about plant growth hormones. I. Kinetin is a degradative substance from DNA molecule. II. ABA is present, in all the plants III. Low ratio of cytpkinins to auxins favours root formation only. IV. ABA is synthesised catabolically through mevalonate pathway. The correct combination is