List of practice Questions

The secretory phase in the human menstrual cycle is also called
The reversible expansion ob an ideal gas under adiabatic and isothermal conditions is shown in the figure. Which of the following statement(s) is (are) correct?
The refracting angle of a prism is A and refractive index is $\cot(A/2)$. The angle of minimum deviation is
The reddish brown gas produced by heating $ KCl $ with $ K_2Cr_2O_7 $ (solid) and conc. $ H_2SO_4 $ is
The reaction, $2H_{2}O_{2} \to 2H_{2}O +O_{2} ; $ shows that $H_{2}O_{2}$
The raw material for Raschig process is
The rate of change of current of $10\, A\, s^{ -1}$ in a coil produces an emf of 5 V. Then the self-inductance of the coil in henry is
The range of frequency bands used for television $VHF$ service is
The population $p(t)$ at time $t$ of a certain mouse species satisfies the differential equation $\frac{dp\left(t\right)}{dt} = 0.5 p\left(t\right) - 450.$ If $p\left(0\right) = 850$, then the time at which the population becomes zero is :
The plants commonly called vascular cryptogams are
The plants having vascular tissue but lacking seeds are placed under
The order of basicity of the compounds is
The order of osmotic pressure of three equimolar aqueous solutions of $CaCl_{2}, NaCl$ and $C_{6}H_{12}O_{6}$ (glucose) is
The number of common tangents of the circles given by $x^2+y^2-8x-2y +1 = 0$ and $x^2+y^2 + 6x+8y = 0$ is
The nucleus is separated from surrounding cytoplasm by a nuclear membrane, which is
The molecule having smallest bond angle is :
The integral of $\frac{x^{2}-x}{x^{3}-x^{2}+x-1}$ w.r.t. x is
The half life of a radioactive nucleus is $50$ days. The time interval (t$_2-t_1$) between the time t$_2$ when $\frac{2}{3}$ ot it has decayed and the time $t_1$, when $\frac{1}{3}$ of it had decayed is
The given figure is the diagrammatic representation of the E. coli vector pBR 322. Which one of the given options correctly identifies its certain component(s)?
The geometry of ammonium ion is
The frequency order for $X-rays (A)$, $\gamma$-rays (B), $UV \,rays\, (C)$ is
The formation of molecular complex $BF_3 ??NH_3$ results in a change in hybridization of boron
The following sets of quantum numbers represent four electrons in an atom. (i) $n=4, \,l= 1$ $\quad$$\quad$(ii) $n=4,\, l=0$ (iii) $n = 3,\,l=2$$\quad$$\quad$ (iv) $n = 3,\,l= 1$ The sequence representing increasing order of energy, is
The first mammal clone "Dolly" was created by
The first stable compound formed in Krebs' cycle is