Post category:Biology MCQs Post comments:0 Comments What is needed as a source of energy for vital activities of the body? A. Iron B. Calcium C. Water D. Carbohydrates Read more articles Previous PostHemoglobin (Hb) is a protein that is found in the _____ of the blood. Next PostThe number of chambers in amphibians heart is? You Might Also Like Which of the following helps in clotting of blood? June 10, 2020 The size of Ribosomes in prokaryotic cell is …….? August 27, 2020 Nucleus was discovered by ….. August 31, 2020 The human cell contains ____ chromosomes. March 13, 2022 Which Vitamin can be synthesized by Liver _______? June 20, 2020 The lifespan of White Blood Cells is ___ days. May 24, 2021 Leave a Reply Cancel replyCommentEnter your name or username to comment Enter your email address to comment Enter your website URL (optional) Save my name, email, and website in this browser for the next time I comment. Δ