Good Afternoon
16:12 pm

Sponsor Area

Sponsor Area

Question is

The 24 hour (diurnal) rhythm of our body such as the sleep -wake cycle is regulated by the hormone

  • Calcitonin

  • prolactin

  • adrenaline

  • melatonin

Mock Test Series

Sponsor Area

Sponsor Area

NCERT Book Store

NCERT Sample Papers

Entrance Exams Preparation