In which of the following are Chlorophyll-$a$,Chlorophyll-$d$,and Phycoerythrin found?

Which of the following reagents reacts with benzaldehyde to produce $1$-phenylethanol?

In the given circuit,find the equivalent resistance between points $a$ and the combination of $b$ and $c$ (where $b$ and $c$ are connected together).

If the angle between the asymptotes of the hyperbola $\frac{x^2}{a^2} - \frac{y^2}{3} = 4$ is $\frac{\pi}{3}$,then its conjugate hyperbola is:

In the $Al_{2}Cl_{6}$ dimer,which of the following statements is true regarding the $Al-Cl$ bonds?

The solution of the differential equation $\frac{dy}{dx} = \sin(x+y) \tan(x+y) - 1$ is