Biology · PYQ NEET UG 2017

Frog's heart, when taken out of the body, continues to beat for sometime. Select the best option from the following statements. i. Frog is a poikilotherm. ii. Frog does not have any coronary circulation. iii. Heart is "myogenic" in nature. iv. Heart is autoexcitable.

1. A
   Only iii
2. B
   Only iv
3. C
   i and ii
4. D
   iii and iv