List of practice Questions

Fishes, amphibians and reptiles have in common:
Ethyl amine reacts with $ HN{{O}_{2}} $ to give:
Emulsifier is an agent which:
Ureotelic animals excrete out:
Which of the following stages is the longest in animals?
An experiment to prove that organic compounds were the basis of life was performed by:
Which of the following pairs of specific names belongs to same common genus?
Which one of the following organs are homologous?
The adult male Ascaris can be identified by:
What causes the liquid part of blood filter out form glomerulus into the renal tubule?
Which one is replacing bone?
The units of Planck's constant are
The number of neutrons in a $_{92}U^{235}$ nucleus is
The door of a domestic refrigerator is kept open while the switch is on. Then the room will
In terms of Rydberg constant R, the shortest wavelength in Balmer series of hydrogen atom spectrum will have wavelength
A satellite in a circular orbit of radius $R$ has a period of $4\,hours$. Another satellite with orbital radius $3 \, R$ around the,same planet will have a period (in hours)
Optical fiber works on the principle of
The direction of force acting on a current carrying conductor at right angles to a magnetic field is given by
Two lenses of power +1.5 diopter and +1.0 diopter are placed in contact, the effective power of the combination is:
Which one of the following molecules is planar?
A proton is fired through a magnetic field in a direction opposite to that of the field. The particle will:
Half-life for radioactive $^{14}C$ is 5760 yr. In how many years, 200 mg of $^{14}C$ will be reduced to 25 mg?
The mass number of He is 4 and that of sulphur is 32. The radius of sulphur nucleus is larger than that of helium by the factor of
Which of the following is a dimensional constant?
The sexual reproduction is absent in