Question

Pick up correct statement about organs with dual origin from embryonic layers.
$1$. Hypophysis
$2$. Adrenal glands
$3$. Sense organs
$4$. Pancreas.

• A. $1,2,3$ correct
• B. $1,2$ correct
• C. $2,4$ correct
• D. $1,3$ correct

Answer 1

Answer: (A)

$1,2,3$ correct

1. Hypophysis(Pituitary glands)- Posterior and intermediate lobes form from ectoderm and anterior lobe form from endoderm.

2. Adrenal gland- medulla formed from ectoderm and cortex of adrenal gland formed from mesoderm.

3. Sense organs (Ear) - internal ear formed from ectoderm and middle ear formed from endoderm.

4. Pancreas- formed from endoderm.

So, the correct answer is '1,2,3 correct'