Q. In human lining of gastrointestinal tract, lining of lungs, thymus thyroid, tonsils, kidney duct and bladder are derived from
A) Ectoderm
B) Mesoderm
C) Endoderm
D) Both (b) and (c)
Explanation
Endoderm. Fate of three germ layers Mesoderm Dermis of skin, circulatory system, muscles, bones (except facial) Endoderm Lining of $Gl$ tract, lining of lungs, kidney ducts and bladder, thymus, thyroid tonsils Ectoderm Epidermis of skin, tooth enamel, lens and cornea of the eye outer ear Brain and spinal cord, facial bones skeletal muscles in the head
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.