Download App

Chemical Coordination and integration — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYChemical Coordination and integration1 Mark
MCQ
Adrenaline directly affects.
  • A
    SA node.
  • B
    β-cells of Langerhans.
  • C
    Dorsal root of spinal cord.
  • D
    Epithelial cells of stomach.
✓

Answer

  1. SA node.

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 Chemical Coordination and integration→Chemical Coordination and integration — all question types→BIOLOGY STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

What is the speciality of monocotyledonous leaves:
→
Ethylene increases
→
Dark reaction in photosynthesis is called so because
→
Cork cambium is a
→
Who proposed the cycle of events leading to the fixation of $CO_2$ in mesophyll and its reduction in bundle sheath
→
Thick underground stem growing parallel to soil surface is
→
Which of the following enzyme can form RNA from DNA:
→
Joints showing almost no or little movement are known as _______________:
→
End product of glycolysis is:
→
Correct statement for function of protein

$(I)$ As an Enzyme

$(II)$ As a Hormone

$(III)$ Fight against infectious organisms

$(IV)$ Formation of genetic material

→