Reply To: What is passive process?? Share this post: Share on Twitter Share on Facebook Share on LinkedIn Share on Email Share on WhatsApp Share on Telegram October 21, 2020 at 4:26 am #2301 Simran PrajapatiParticipant When solute move from higher concentration to lower concentration that is downhill movement no energy is required . this is known as passive process. Share this post: Share on Twitter Share on Facebook Share on LinkedIn Share on Email Share on WhatsApp Share on Telegram