NEET UG 2017 · Zoology · Question 137
NEET 2017 Zoology, question 137
Question 137 of the NEET 2017 paper (code A) is a Zoology question from Body Fluids and Circulation. Its idea, Myogenic Heart Nature, was asked only this once in NEET 2017–2026. The CBSE official answer key gives option 4.
Updated 2026-10-08
Q137 · Zoology
Frog's heart when taken out of the body continues to beat for sometime.
Select the best option from the following statements.
(a) Frog is a poikilotherm.
(b) Frog does not have any coronary circulation.
(c) Heart is "myogenic" in nature.
(d) Heart is autoexcitable.
Options :
- 1Only (c)
- 2Only (d)
- 3(a) and (b)
- 4(c) and (d)Official answer
Official answer: option 4 · CBSE official answer key
Same idea
The only question on Myogenic Heart Nature
No other NEET paper from 2017–2026 tested this exact idea.
The chapter
Body Fluids and Circulation in ten years of NEET
21 questions from 2017–2026, asked in 10 of 10 papers, about 2.0 a paper. Cardiac Cycle alone had 9.