List of practice Questions

A person moves 30 m north, from there 20m east and finally $30\sqrt{2}$ m south-west from there His displacement from initial position is.
Zygotene of prophase-l is characterised by
Zone refining is used for the
Zone refining is based on the principle that _________.
Which of the following fibres are made of polyamides ?
Which of the following floral formulae corresponds to Family Liliaceae ?
Which of the following forests is known as the 'lungs of the planet earth' ?
Which of the following fluoride of xenon has zero dipole moment?
Which of the following forms a colloidal solution in water ?
Which of the following exhibits the weakest inter molecular forces ?
Which of the following expressions are meaningfull operations?
Which of the following facts about the complex $[Cr(NH_{3})_{6}]Cl_{3}$ is wrong?
Which of the following elements is most metallic ?
Which of the following elements when added as an impurity into the germanium produces a p-type semiconductor?
Which of the following equations is correct?
Which of the following element represents highly electropositive as well as highly electronegative element in its period ?
Which of the following elements can be involved in $p\pi-d\,\pi$ bonding?
Which of the following elements does not form hydride by direct heating with dihydrogen?
Which of the following elements does not show variable oxidation states ?
Which of the following electromagnetic waves is used in medicine to destroy cancer cells?
Which of the following element is present in chlorophyll molecule ?
Which of the following electromagnetic wave has highest wavelength ?
Which of the following does not use the application of eddy current?
Which of the following drugs is an analgesic ?
Which of the following ecosystems is most productive in terms of net primary production?