Which one of the following shows isogamy with non-flagellated gametes?

When a train stops suddenly,passengers in the running train feel an instant jerk in the forward direction because

........ of a reaction cannot be determined experimentally.

If $\overrightarrow{u}=\overrightarrow{a}-\overrightarrow{b}$, $\overrightarrow{v}=\overrightarrow{a}+\overrightarrow{b}$, $|\overrightarrow{a}|=|\overrightarrow{b}|=2$, then $|\overrightarrow{u} \times \overrightarrow{v}|$ is equal to

The osmotic pressure of a $5\% \, w/v$ solution of cane sugar at $150 \, ^\circ C$ is ......... $atm$.

The output of the given logic circuit is