List of top Questions asked in JKCET

The number of the solutions of the equation $ {{5}^{2x-1}}+{{5}^{x+1}}=250, $ is/are

Let $X$ be a random variable with its expectation $ E(X)=3 $ and its variance $ V(X)=2 $ . If $V$ is another random variable defined by $ Y=10X, $ then the ordered pair $ (E(Y),\,V(Y)) $ is equal to

Buna-$N$ synthetic rubber is obtained by copolymerisation of

A unit cell with edge length $ a\ne b\ne c $ and axial angles $ \alpha =\beta =\gamma =90^{\circ} $ is called

The following tripeptide can be synthesized from the following ammo acid

If the density of methanol is $0.8\, kg\, L ^{-1}$, what is its volume needed for making $4\, L$ of its $0.25\, M$ solution?

If the forward bias voltage in a $p-n$ junction diode is decreased, the length of depletion region will

A body is travelling towards East with a speed of $9\, m / s$ and with an acceleration of $2\, m / s ^{2}$ acting along West on it. The displacement of the body during the $5^{\text {th }}$ second of its motion is

An ideal gas is heated at constant volume until its pressure doubles. Which one of the following statements is correct?

An observer standing near the sea-coast counts $48$ waves per min. If the wavelength of the wave is $ 10\,m, $ the velocity of the waves will be

The ratio of mass defect of the nucleus to its mass number is maximum for

Two pendulum oscillate with a constant phase difference of $45^{\circ}$ and same amplitude. If the maximum velocity of one of them is $v$ and that of other is $v+x$ then the value of $x$ will be

Shape of $SF_{4}$ is

Consider the two cells having emf $E_{1}$ and $E_{2}\left(E_{1}>E_{2}\right)$ connected as shown in the figure. A potentiometer is used to measure potential difference between $P$ and $Q$ and the balancing length of the potentiometer wire is $0.8\, m$. Same potentiometer is then used to measure potential difference between $P$ and $R$ and the balancing length is $0.2\, m$. Then, the ratio $E_{1} / E_{2}$ is

For a reaction, $C_{(s)}+C O_{2}(g) \rightarrow 2 C O_{(g)}$; the partial pressure of $C O_{2}$ and $C O$ are $4$ and $8$ atm, respectively. $K_{p}$ for the reaction is

Yeast is used in the production of

Most plants obtain their nitrogen from the soil in the form of

Which of the following is a bacterium involved in denitrification?

Which one of the following is not a micronutrient for plants?

Which one of the following statements is/are correct?

Which of the following enzymes is used to join DNA fragments?

What is the inner lining of the uterus called?

The letter $T$ in $T$-lymphocyte refers to :

The blood does not clot inside the body because of