List of top Questions asked in OJEE

cDNA is
Cardiac muscle is found in
Angle between wave velocity and particle velocity of a longitudinal wave is
An observer moves towards a stationary source of sound with a velocity that is one-fifth the velocity of sound. The apparent change in frequency is
The actively moving organisms in aquatic ecosystem is
Which organic compound is produced by fermentation and is used to replace fossil petrol ?
Which nomenclature was given by Linnaeus ?
Arrange the following in ascending order of Linnaean hierarchy
The formation of pericarp takes place from
Thalamus of hypogynous ovary is
The inflorescence in cauliflower is
Tricuspid valve is present between
A light ray going from air is incident (as shown in figure) at one end of a glass fibre (refractive index $ \mu = 1.5$) making an incidence angle of $60^\circ$ on the lateral surface,
so that it undergoes a total internal reflection. How much time would it take to traverse the straight fibre of length 1 km?
A particle of mass $2 \times 10^{-3}$ kg, charge $4 \times 10^{-3}$ C enters in an electric field of 5 V/m, then its kinetic energy after 10 s is
One molecule of $NADH_2$ is equivalent to how many $ATP$ molecules?
$CO+ H_2\xrightarrow[X(catalyst)]{300^\circ C/300\, atm} CH_3OH$ The catalyst $X$ is
The disease caused by Trypanosoma gambiense is
The wall of internal organs such as blood vessels, stomach and intestine contain this type of muscle tissue
The unit of rate constant depends upon
Fern gametophyte is generally
Gymnosperms bear seeds but lack fruits because they lack
In Spirogyra lateral conjugation takes place in the cells of
Which of the following statements is/are incorrect regarding bryophytes ?
The distance between two charges $6\,\mu\,C$ and $15\,\mu\,C$ is $2\,m$. At what point on the line joining the two, the intensity will be zero?
The figure shows some of the electric field lines corresponding to an electric field, The figure suggests