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प्रश्न
Which of the following is ectodermal in origin?
| (i) | Heart |
| (ii) | Sweat glands |
| (iii) | Adrenal medulla |
| (iv) | Middle ear |
| (v) | Urinary bladder |
| (vi) | Dermis of skin |
विकल्प
ii and iii
i and ii
i, iv and v
iii, iv and v
MCQ
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उत्तर
ii and iii
Explanation:
Sweat glands and adrenal medulla are ectodermal in origin, heart, middle ear, and dermis of skin are mesodermal in origin.
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