DUET 2021 DU BPT BOT BPO Question Paper with Answer Key PDFs Shift 3
| DUET 2021 DU BPT BOT BPO Question Paper PDF | DUET 2021 DU BPT BOT BPO Answer Key PDF |
|---|---|
| Download PDF | Download PDF |
DUET Questions
1.
What is the shape and magnetic nature of permanganate ion ?- Pyramidal diamagnetic
- Tetrahedral, diamagnetic
- Tetrahedral, paramagnetic
- Planar, paramagnetic
2.
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
3.
Most stable carbocation is4.
During the phenomenon of resonance- the amplitude of oscillation becomes large
- the frequency of oscillation becomes large
- the time period of oscillation becomes large
- All of the above
5.
The basic unit of study in Ecology is- population
- organism
- community
- species
6.
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 $
Comments