List of practice Questions

Philadelphia chromosome is found in the patient suffering from
Diabetes insipidus occurs due to the hyposecretion of
Which of the following layer of epidermis in man provides the main protection of body against water loss and the entry of disease causing organisms ?
According to Dalton?? atom theory, the smallest particle in which matter can exist, is called
Which of the following has the dimensions of pressure?
Which of the following is known as fusion mixture?
Which one of the following gases contributes maximum to the 'green house effect' on the earth?
Which of the following compound does not react with metallic sodium ?
When $(NH_4)_2Cr_2O_7 $ is heated, the gas evolved is
'Lac operon' in E. coli, is induced by
In mitochondria, cristae act as sites for
The sides of a rectangle are 6.01 m and 12 m. Taking significant figures into account the area of rectangle is
A disease caused by eating fish contaminated by industrial waste, containing mercury compounds, is called
The neutron was discovered by
Approximately, the temperature corresponding to 1 eV energy, is
In a boiling water reactor, the boiling water is used as a
A particle revolves round a circular path. The acceleration of the particle is inversely proportional to
A pure semiconductor has a/an
With an increase in temperature, the electrical conductivity of intrinsic semiconductor
A bulb contains one mole of hydrogen mixed with one mole of oxygen at temperature $T$. The ratio of $r.m.s.$ values of velocity of hydrogen molecules to that of oxygen molecules, is
The number of electrons in $\left[{ }_{19} K ^{40}\right]^{-1}$ is
Which of the following glasses is the most heat resistant?
The number of electrons and neutrons of an element is $18$ and $20$ respectively. Its mass number is
The formation of 2-butene as a major product by dehydration of 2-butanol is in accordance with
Which of the following is an alum?