List of practice Questions

The median of 17,31, 12, 27, 15, 19, 23 is
Mode of A, B, C, D,.........., Z is
The value of \(\sin \theta\) or \(cosθ\) never exceeds
In the figure, the value of cosec A is
In the figure, the value of cosec A is
In an atom, when electron jumps from ground state to excited state
The orbital which is filled with electrons immediately after '3p' is -
When n = 4, the total number of subshells in an orbit is n =
Which of the following has larger wavelength in electromagnetic spectrum?
The quantum number which explains about the spacial orientation of orbitals is
The correct set of four quantum number values for the valence electron of sodium atom is
The impurities present in the ore is called as
Which of the following is used as a flux in the smelting of Haematite?
Potassium and Calcium belongs to
Which of the following is an ore of Iron ?
In electrolytic refining of metals, the pure metal is taken as
The reaction that takes place in Thermite process is
What does the symbol '∆' represent in a chemical equation ?
The product formed when quick lime reacts with water is
Placenta is formed at around______weeks of pregnancy.
Who discovered Mitosis ?
In plants, the fusion of male gamete with secondary nucleus results in
In majority of flowering plants, how many cells are present in an embryo sac ?
The alkaloid used as medicine for snake bite is
The hormone responsible for phototropism in plants is
There are_____ number of cranial nerves in human being.