List of practice Questions

Pressure exerted by a perfect gas is equal to
Premature leaf fall is due to deficiency of
Presence of glucose in urine is called
Preserved plant specimens can be found in
Potential energy of an isolated system in which two protons are brought close to each other will
Powdered substances are more effective adsorbents than their crystalline form because
Power factor is one for
Preen gland occurs in
Preferable devices used to measure distance of $10^0 m$, $10^{-3.5} m$ and $10^{-5}m$ are
Potassium fluoride $KF$ has $NaCl$ structure. Its density is $248 \,g\, cm^{-3}$ and its molar mass is $58 \,g\, mol^{-1}$. The distance between K+ and F ions in KF is
Potential barrier developed in a junction diode opposes the flow of
Potential difference across resting membrane is negatively charged This is due to differential distribution of the following ions
Potassium crystallizes with a
Polyvinyl alcohol can be prepared by
Porins occur in
Position of double bond in alkene can be identified by
Polyethylene is obtained from calcium carbide. $CaC_{2} + 2H_{2}O \to Ca(OH)_{2} + C_{2}H_{2}$ $C_{2}H_{2} +H_{2} \to C_{2}H_{4}$ $ nC_{2}H_{4} \to $
Therefore, the amount of polyethylene obtained for $64 \,kg \,CaC_{2}$ is
Polymerisation of propene using Ziegler-Natta catalyst is advantageous over free radical polymerisation because
Polystyrene is an example of
Polyacrylonitrile is an example of
Polyarch vascular bundles generally occur in
Polyblend is
Polycistronic messenger $ RNA (mRNA)$ usually occurs in
Polydactyly is
Points $ P $ , $ Q $ and $ R $ are in a vertical line such that $ PQ = QR $ . A ball at $ P $ is allowed to fall freely. The ratio of times of descent through $ PQ $ and $ QR $ is