DUET 2021 DU MPEd Department of PEdu N Sports Sci Question Paper with Answer Key PDFs (September 27 - Shift 2)

DUET Questions

• 1.

  Sigmoid growth curve is represented by

  • $ dN/dt=rN $
  • $ dN/dt=rN\,\,(1-N/K) $
  • $ Nt/No +B +I-D-E $
  • $ dN/dt=1-N/K $
  View Solution

  ---

• 2.

  The mobility of charge carriers increases with

  • increase in the average collision time
  • increase in the electric field
  • increase in the mass of the charge carriers
  • decrease in the charge of the mobile carriers
  View Solution

  ---

• 3.

  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 = $460 \; J \; kg^{-1} \; K^{-1}$)

  • 8 K
  • 16 K
  • 12 K
  • 24 K
  View Solution

  ---

• 4.

  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?

  • 990
  • 900
  • 9090
  • 909
  View Solution

  ---

• 5.

  Which of the following graphs shows the variation of acceleration due to gravity $g$ with depth $h$ from the surface of the earth?

  • 

  • 

  • 

  • 

  View Solution

  ---

• 6.

  The basic unit of study in Ecology is

  • population
  • organism
  • community
  • species
  View Solution