biology Quiz

Question Number 1 Why does milk curdle A. Fermentation of lactose B. Reaction of microbes C. over heating D. fungus growth Question Number 2 What is the main purpose of white blood corpuscles A. to carry nutrients B. to combat infection C. to carry oxygen D. to give strength Question Number 3 which of the following help in clotting of blood A. vitamin B1 B. vitamin B2 C. Vitamin D D. Vitamin K Question Number 4 red blood corpuscles are formed in the A. liver B. bone marrow C. kidneys D. heart Question Number 5 blood does not coagulate inside the body due to the presence of A. haemoglobin B. heparin C. fibrin D. plasma Question Number 6 the number oe bones in the human body of an adult is approximately A. 210 B. 250 C. 206 D. not fixed Question Number 7 lungs are situated in the A. abdominal cavity B. pericardial cavity C. buccal cavity D. thoracic cavity Question Number 8 the pancreas secretes A. insulin B. vitamin A C. bile juice D. none of these Question Number 9 the seat of memory in the human brain in located in the A. medulla oblangata B. cerebrum C. cortex D. cerebellum Question Number 10 tibia is a bone found in the A. skull B. arm C. leg D. face Question Number 11 the highest point in the blood pressure or upper reading of blood pressure is called A. systolic pressure B. diastolic pressure C. hypotension D. hypertension Question Number 12 the strongest muscle in the human body is found in A. hands B. buttocks C. neck D. legs Question Number 13 the strongest muscle in the human body is found in A. hands B. buttocks C. neck D. legs Question Number 14 duodenum is a part of A. brain B. intestine C. liver D. lungs Question Number 15 a gene is a A. sleeping inducing drug B. unit of heredity C. a kind of vitamin D. a type of body cell Question Number 16 a gene is a A. sleeping inducing drug B. unit of heredity C. a kind of vitamin D. a type of body cell Question Number 17 how many bones are there in a newly born infant A. 206 B. 230 C. 280 D. 350 Question Number 18 the shortest bone in the human body is A. vertebrae B. stapes C. phalanges D. metacarpals Question Number 19 human blood contains_____ percentage of plasma A. 35% B. 40% C. 50% D. 65% Question Number 20 medula oblongata is a part of human A. heart B. brain C. liver D. sex organ