Q. Select the false statement.
A) In rats, the teeth are heterodont and thecodont
B) In female rats, the urinary and genital apertures are located above anus
C) In female rats, six pairs of nipples are present on the ventral surface of the trunk
D) In rats, 12 pairs of cranial nerves and 33 pairs of spinal nerves are present
Explanation
In female rats, the urinary and genital apertures are separate but open into vulva through a vaginal orifice (copulatory organ of female rat).
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.