List of top Zoology Questions on Comparative physiology asked in AP EAMCET

Assertion (A): Urine is hypertonic in the descending limb of loop of Henle, while urine is hypotonic in the ascending limb.
Reason (R): Ascending limb is impermeable to Na+, whereas descending limb is impermeable to water.

Identify the correct statement related to calcium ions in muscle contraction

Assertion [A]: Myometrium is an important layer of the uterus.
Reason [R]: Myometrium allows the uterus to enlarge in pregnancy and causes strong contractions during parturition.

Inspiratory capacity is:

The state of cease of menstrual cycles in women is called:

Statement I: Volume of air inspired or expired during normal inspiration or expiration is called tidal volume.
Statement II: The volume of air that remains in the lungs after normal expiration is called residual volume.

Wave length of UV-A Rays:

Match the following:

In skeletal muscle, the central part of the dark band without the thin filaments is called: