In the stomach,gastric acid is secreted by the

The $9^{th}$ pair of cranial nerves in a frog is:

Which of the following is less general in characters as compared to genus?

$\int_0^\pi \frac{\theta \sin \theta}{1+\cos ^2 \theta} d \theta$ is equal to

The refluxing of $(CH_3)_2NCOCH_3$ with acid gives:

$A$ particle moves with simple harmonic motion in a straight line. In the first $\tau \, s$,after starting from rest,it travels a distance $a$,and in the next $\tau \, s$,it travels $2a$ in the same direction. Then: