Download App

Body Fluids and Circulation — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYBody Fluids and Circulation1 Mark
MCQ
Pace maker of the heart is:
  • A
    S.A. node
  • B
    A.V. node
  • C
    A .V. septum
  • D
    L A. septum
✓

Answer

  1. S.A. node

Explanation:

S.A node called as pacemaker ,node of keith and  flack heart , brain of heart ,pulsation centre. 

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Body Fluids and Circulation→Body Fluids and Circulation — all question types→BIOLOGY STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Which of the character does not become apparent in floral formula
→
Which of the following is not a co-enzyme:
→
Spiracles found in cockroach are
→
Pyrenoids are characteristically found in the chloroplast of:
→
Lampbrush chromosomes occur during.
→
Which of the following is an emergency hormone
→
Testosterone hormone is secreted from :
→
The Floral Diagram represents which one of the following families ?
→
Which one of the following statements is correct?
→
Chemical which are released at the synaptic junction are called
→