List of top Questions asked in WBJEE- 2012

One micrometer is equal to
Muga silk worm feeds on
The volume of ??natomical dead space??air is normally
Which vitamin helps in blood coagulation?
Who is regarded as the Father of Taxonomy?
Xenogamy is essentially a type of
Which of the following does not represent the mathematical expression for the Heisenberg uncertainty principle?
If $\frac{z-1}{z+1}$ is purely imaginary, then
If $\left(\frac{3}{2}+i\frac{\sqrt{3}}{2}\right)^{50} \, =3^{25} \left(x+iy\right),$ where $x$ and $y$ are real, then the ordered pair $(x,y)$ is
Cholecystokinin stimulates the secretion of
Basic principle of developing transgenic plants and animals is to introduce the gene of interest into the nucleus of
An object placed in front of a concave mirror at a distance of $x \,cm$ from the pole gives a $3$ times magnified real image. If it is moved to a distance of $(x+5)\, cm$, the magnification of the image becomes $2$. The focal length of the mirror is
An equimolar mixture of toluene and chlorobenzene is treated with a mixture of conc. $H_{2} SO_{2}$ and conc. $HNO_{3}.$ Indicate the correct statement from the following.
After forceful inspiration, the amount of air that can be breathed out by maximum forced expiration is equal to
Animals are classified into hierarchical groups. In which one of the following, the largest number of species is found?
Homo erectus evolved during
In spermatogenesis, reduction division of chromosome occurs during conversion of
The carcinoma, a type of cancer, originates from
Which one of the following poultry birds is not an english breed?
The important gas which was absent during the formation of Earth is
The correct sequence of different phases of cell cycle is
Which one of the following life cycle stages of malarial parasite is responsible for relapse of malarial symptoms?
Which one of the following life cycle stages of Wuchereria bancrofti is infective to man?
A man having the genotype $EEFfGgHH$ can produce $P$ number of genetically different sperms, and a woman of genotype $liLLMmNn$ can generate $Q$ number of genetically different eggs. Determine the values of $P$ and $Q$.