Scolidon or dog fish belong to the group of fishes called__________?

Related Mcqs:

Which is the largest gland in the human body?

A. Thyroid B. Liver C. Pancreas D. None of these...

Low level of CO2 favours _________ of the stomata.

A. Opening B. Closure C. Both of these D. None of these...

On which of the following site the posterior pituitary hormone acts predominantly?

A. Proximal convoluted tubule B. Descending limb of loop of Henle C. Ascending limb of loop of Henle D. Collecting tubules...

The nephridia of earthworm open into the coelom by_________?

A. Nephrostome B. Nephridiopore C. Flame cell D. Anus...

Transport of oxygen by blood takes place with the help of

Erythrocytes Thrombocytes Lymphocytes Leucocytes...