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 The measuring instrument of Blood pressure is? October 11, 2021 The lifespan of Red Blood Cells is ___ days. May 23, 2021 Which Vitamin can be synthesized by Liver _______? June 20, 2020 Vitamin A can be found in the____________? June 20, 2020 The study of cancer is called_____________? June 18, 2022 Proper arrangement of layers in plant cell wall from inside to outward is August 26, 2020 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.