List of practice Questions

A real gas behaves like an ideal gas if its
Binomial nomenclature was given by :
Water gas is a mixture of
Egg apparatus consists of
Golden rice is rich in
Two masses $ 8 \,kg $ and $ 12 \,kg $ are connected at the two ends of a string that goes over a frictionless pulley. Calculate the acceleration of the masses and the tension in the string. Take $ g = 10 \,m/s^2 $
Two common characters found in centipede cockroach and crab are-
Two coherent sources of different intensities send waves which interfere. The ratio of maximum intensity to the minimum intensity is 25. The intensities of the sources are in the ratio
Tuberculosis is caused by
Three cards are drawn successively without replacement from a pack of $ 52 $ well shuffled cards. The probability that first two cards are queens and the third card is a king, is
The white $ ZnO $ turns yellow on heating because of
The word "phylum" in taxonomy was coined by
The ultimate biological unit which controls heredity is called
The time period of a simple pendulum of length $L$ as measured in an elevator descending with acceleration $ \frac{g}{3} $ is
The time period of a geostationary satellite is
The third ventricle of the brain is situated in the
The term Alpha diversity refers to
The standard enthalpy of formation of $NH_3$ is $-46.0\, kJ \,mol^{-1}$. If the enthalpy of formation of $H_2$ from its atoms is $-436\, kJ \,mol^{-1}$ and that of $N_2$ is $-712\, kJ\, mol^{-1}$, the average bond enthalpy of $N-H$ bond in $NH_3$ is
The standard emf of a galvanic cell involving $3$ moles of electrons in its redox reaction is $0.59 \,V$. The equilibrium constant for the reaction of the cell is
The relation between an ac voltage source and time in $SI$ units is $V= 120\, sin(100 \,\pi t)cos(100\,\pi t) V$. The value of peak voltage and frequency will be respectively
The relation between phase difference and path difference is
The product formed as a result of reaction of $ C{{H}_{3}}MgBr $ and $ C{{O}_{2}} $ , on further hydrolysis gives
The phosphate of a metal has the formula $MHPO_4$. The formula of its chloride would be
The infoldings in mitochondria are known as:
The heat liberated when $1.89\, g$ of benzoic acid is burnt in a bomb calorimeter at $25 ^{\circ} C$ increases the temperature of $18.94\, kg$ of water by $0.632^{\circ} C$. If the specific heat of water at $25^{\circ} C$ is $0.998\, cal/g$ the value of the heat of combustion of benzoic acid is