List of practice Questions

The formation of canal system in sponges is due to
The extension in a string, obeying Hooke's law, is x. The speed of transverse wave in the stretched string is v. If the extension in the string is increased to 1.5 x, the speed of transverse wave will be
The basic principle involved in hydrogen bomb is:
Out of molality (m), molarity (M), formality (F), normality (N) and mole-fraction (x), the two quantities, independent of temperature, are:
Light travels through a glass plate of thickness t and having a refractive index p. If c is the velocity of light in vacuum, the time taken by light to travel this thickness of glass is
Linkage in Drosophila was first discovered by:
During photosynthesis, oxygen in glucose comes from
A 3d-electron having spin quantum number, $ s=+\frac{1}{2}, $ can have a magnetic quantum number:
Which of the following is a non-conservative force?
Which of the following is a sulphide ore?
Which of the following is not correct about transition metals ?
Which of the following is true regarding projectile motion?
Which of the following is urotropine?
Which of the following shows heterotrichous habit?
Yellow bone marrow is found especially in the medullary cavity of
Which of the following does not give yellow ppt.with $I_2/NaOH$ ?
Which of the following contains cobalt?
Which of the following compounds is known as white vitriol?
Wharton?? duct is the duct of
Threshold frequency for a metal is $10^{15} Hz$. If the light of wavelength $4000 \mathring {A}$ falls on its surface, then which of the following statement is correct?
This symbol represents
Thermite is a mixture of
The working of a dynamo is based on the principle of
The volume of a gas expands by $0.25 \,m ^{3}$ at a constant pressure of $10^{3} \,N / m$. The work done is equal to
The strongest bronsted base among the following anions is