List of practice Questions

Which of the following is an example of man-made ecosystem?

Which one of the following is the American poultry breed?

Which of the following carbocations will be most stable ?

Which is the correct sequence of arrangement of types of WBC in decreasing order in terms of number per $ m{{m}^{3}} $ of human blood?

Which is not applicable to the biological species concept?

Which Ig is produced in primary immune response?

Which element is cause of itai itai disease?

Which are the first organisms to colonize on a bare rock ?

Viruses were discovered by

Value of $1+cos56^{\circ}+cos58^{\circ}-cos66^{\circ}$ is

The largest herbarium in India is located in

The duration of cardiac cycle is

The discovery of gibberellins is related with one of the following

The critical angle for total internal reflection in diamond is $ 24.5^{\circ} $ . The refractive index of the diamond is

The chemical nature of chromatin is as follows

Sporopollenin is chemically

$\int\limits_{0}^{1000} e^{x-\left[x\right]} dx$ is equal to

In which stage of meiosis crossing over takes place ?

In the change of $NO \, \to\, NO^+$ the electron is added to

In $Cu$-ammonia complex, the state of hybridization of $Cu^{+2}$ is

In a triangle $ABC$, if sin A sin $B =\frac{ab}{c^{2}}$, then the triangle is

Hydra reproduces by budding. This is an example of

Fusion of male gamete with polar nuclei of embryo sac is known as

For what distance is ray optics a good approximation when the aperture is $4 \,mm$ wide and the wavelength is $500 \,nm$?

For the Paschen series the values of $n_{1}$ and $n_{2}$ in the expression $\Delta E=Rhc\left(\frac{1}{n_{1}^{2}}-\frac{1}{n_{2}^{2}}\right)$ are