Biology Circulatory System test 12 Welcome to your Biology Circulatory System test 12 Name Email 1.Which of the following is NOT a type of blood cell made by the bone marrow? (a) Osteoclasts (b) Red blood cells (c) Platelets (d) White blood cells None 2.Swollen bluish veins resulting from the valves that do not close properly are called ______. (a) systemic veins (b) varicose veins (c) deep veins (d) superficial veins None 3.Which of the following statements about blood pressure is correct? (a) The normal systolic pressure is about 80 mm of Hg and diastolic pressure is 120 mm of Hg. (b) The normal systolic pressure is about 72 mm of Hg and diastolic pressure is 35 mm of Hg. (c) The normal systolic pressure is about 160 mm of Hg and diastolic pressure is 80 mm of Hg. (d) The normal systolic pressure is about 120 mm of Hg and diastolic pressure is 80 mm of Hg. None 4.Which of the following is a large bean-shaped lymphoid organ in the human body? (a) Thymus (b) Spleen (c) Lymph node (d) Tonsil None 5. Lymph is a light clear fluid made up of white blood cells that attack harmful ______ in the blood. (a) protozoa (b) fungi (c) viruses (d) bacteria None 6. A healthy individual has 12-16 grams of haemoglobin in every ______ ml of blood. (a) 100 (b) 1000 (c) 10000 (d) 100000 None 7.Crocodiles have ______ heart chambers. (a) three (b) four (c) five (d) two None 8. The sino-artrialnode is located in the ______. (a) bladder (b) heart (c) brain (d) stomach None 9. Which of the following carries blood from the heart to the kidneys? (a) Renal vein (b) Coronary artery (c) Vena cava (d) Renal artery None 10.Which of the following blood groups is called the ‘Universal Receiver’? (a) AB+ (b) O+ (c) A+ (d) O– None 11.Who performs the task of capturing oxygen in the blood? (a) Red blood cells (b) Chlorophyll (c) White blood cells (d) Haemoglobin None 12.Which part of the body is responsible for the red blood cells? (a) Lungs (b) Heart (c) Brain (d) Bone Marrow None 13.Blood clot is formed because of the presence of certain cells presence in blood called : (a) lymphocytes (b) erythrocytes (c) chondrocytes (d) platelets None 14.The blood vessels that carry blood from the heart to the various parts of the body are called: (a) arteries (b) veins (c) septum (d) capillaries None 15.Which of the following statements is NOT correct regarding the ‘Bombay blood group’? (a) a person with this blood group may receive blood only from a person with O blood group. (b) It was first discovered in 1952 by Dr. Y M Bhende| (c) It is deficiency in expressing h antigen (d) It has neither A nor B antigen. None 16.______ carries oxygenated blood from the lungs to the heart. (a) Aorta (b) Renal artery (c) Pulmonary vein (d) Vena Cava None 17. Which chamber of the human heart gets oxygen rich blood from the lungs ? (a) Left Ventricle (b) Left Atrium (c) Right Ventricle (d) Right Atrium None 18.Which of the following has a two-chambered heart? (a) Human beings (b) Sparrows (c) Monkey (d) Fishes None 19.Which reptile has a four-chambered heart? (a) Tortoise (b) King Cobra (c) Chameleon (d) Crocodile None 20.Which component of blood fights against the germs entering into the human body ? (a) Haemoglobin (b) Red Blood Cells (c) Platelets (d) White Blood Cells None 21.The process of blood clotting is called_____. (a) coagulation (b) thrombocytopenia (c) haemophilia (d) homophobia None 22.Which of the following is the universal recipient blood group? (a) O (b) B (c) A (d) AB None 23.The right pulmonary artery is_____. (a) longer than the left (b) wider than the left (c) shorter than the left (d) of the same size as the left None 24.Which of the following is NOT a valve of the Heart? (a) Mitral (b) Aortic (c) Tricuspid (d) Septum None 25.Which of the following gases reduces the oxygen carrying capacity of the blood? (a) Nitric oxide (b) Carbon dioxide (c) Carbon Monoxide (d) Nitrous oxide None 26.Which cells in our body are popularly called "soldiers of the human body"? (a) Eosinophils (b) White blood cells (c) Red blood cells (d) Basophils None Time's up
