List of practice Questions

The weakest among the following types of bond is
The blue colour of the sky is due to the phenomenon of
A wave of frequency 100 Hz travels along a string towards its fixed end. When this wave travels back, after reflection, a node is formed at a distance of 10 cm from the fixed end. The speed of the wave (incident and reflected) is
The protists have
Earliest fossil form in phylogeny of horse is
Schotten-Baumann reaction is a reaction of phenols with
The temperature of the gas is raised from $27^\circ C\, to\, 927^\circ C$ the root mean square velocity is
The displacement-time graph of a moving particle is shown below. The instantaneous velocity of the particle is negative at the point
The distance between two adjacent carbon atoms is largest in
50 mL of hydrogen diffuses out through a small hole of a vessel, in 20 minutes. The time taken by 40 mL of oxygen to diffuse out is
Phosphorus has the oxidation state of + 3 in
The common oxidation states of Ti are
Peptide bond is a key feature in
Prolonged deficiency of nicotinic acid causes
Which among the following is the real product of the honey bee?
The boiling point of p-nitrophenol is higher than that of o-nitrophenol because
The electric and magnetic field of an electromagnetic wave are
Casparian strips occur in
A position dependent force, F = (7 - 2x + 3x$^2$) N acts on a small body of mass 2 kg and displaces it from x = 0 to x = 5 m. The work done in joule is
One of the special characters of coelenterata only is the occurrence of
Correct the increasing order of acidity is as
Maximum amount of energy/ATP is liberated on oxidation of
If the growing plant is decapitated, then
Hypanthodium is a specialized type of
In bryophytes