Question

Ectoderm gives rise to

• A. Cornea, heart, bronchi, dentine
• B. Adrenal cortex, tongue, liver, retina
• C. Lungs, adrenal medulla, dermis, thyroid
• D. Enamel of teeth, nails, adrenal medulla, hair

Answer 1

The correct option is D Enamel of teeth, nails, adrenal medulla, hair

Ectoderm gives rise to:

• Outer epithelium of body-
  

Hair, nails, epithelial glands, lining of mouth, enamel of teeth, lens of eye, inner ear, nasal and olfactory epithelium.

• Neural tube-
  

Brain, spinal cord, motor nerves

• Neural crest-
  

Sensory ganglia and nerves, adrenal medulla, sympathetic ganglia, skull, gill arches, dentine of teeth.

So, the correct answer is 'Enamel of teeth, nails, adrenal medulla, hair'