List of top Questions asked in DUET

A hammer of mass $200\, kg$ strikes a steel block of mass $200\, g$ with a velocity $8\, ms^{-1}$. If $23\%$ of the energy is utilized to heat the steel block, the rise in temperature of the block is (specific heat capacity of steel = $460 \; J \; kg^{-1} \; K^{-1}$)
What is the shape and magnetic nature of permanganate ion ?
The mobility of charge carriers increases with
Phagocytosis and pinocytosis are collectively termed as
How many $ 1\,\mu F $ capacitors must be connected in parallel to store a charge of $1\, C$ with a potential of $110\, V$ across the capacitors?
In the given structure of a compound, the correct various bond moments direction involving are shown as
The basic unit of study in Ecology is
Taxonomic hierarchy refers to
During the phenomenon of resonance
Most stable carbocation is
Which one of the following alkylbromides undergoes most rapid solvolysis in methanol solution to give corresponding methyl ether?
Sigmoid growth curve is represented by
Which will undergo fastest $82$ substitution reaction when treated with $NaOH$?
Which of the following graphs shows the variation of acceleration due to gravity $g$ with depth $h$ from the surface of the earth?
Which of the following statements is wrong?
Which ion has the largest radius?
Walter Sutton is famous for his contribution to
The work done by an applied variable force $F=x +x^{3}$ from $x=o m$ to $x=2, m$ where $x$ is displacement, is
The number of autosomes in human primary spermatocyte is
The metachromatic granules are
The correct decreasing order of dipole moment in $ CH_{3}Cl,\,CH_{3} Br$ and $ CH_{3}F $ is
The clavicle articulates with ...... of scapula.
The chromosome constitution $2n - 2$ of an organism represents
The centre of mass of a solid cone along the line from the centre of the base to the vertex is at
Littoral zone is located along the