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Consider the following statements about the Open and Closed Blood Circulatory System:   A) Open blood circulatory system does not contain special blood vessels to carry oxygenated and deoxygenated blood, while in the closed blood circulatory system blood vessels are present. B) Oxygenated and Deoxygenated blood gets mixed in the closed blood circulatory system, while oxygenated and deoxygenated blood does not get mixed in the open blood circulatory system. Choose the correct statement.
Vitamins protect our bodies from diseases and illness. Select the incorrect statement(s) with respect to vitamins from the codes given below: A. Deficiency of vitamin A makes our bones weak.  B. Deficiency of iron causes paleness.  C. Deficiency of vitamin D causes swollen and bleeding gums.  D. The deficiency of vitamin B helps to increase our appetite. 
Given below are four jumbled sentences. Select the option that gives their correct order. A. Problems in the absorption of vitamins are the main cause of vitamin deficiency. B. This is the reason why people with metabolic disorders such as obesity, often suffer from vitamin deficiency C. Hence, digestion and the absorption mechanism in the body are very important. D. Vitamin deficiency is not just caused by a lack of vitamins in the diet.
In the question two statements are given, followed by two conclusions, I and II. Read all the conclusions and then decide which of the given conclusions logically follow/s from the given statements. Statements: All white blood cells are red blood cells. Some blood cells are red blood cells. Conclusions: I. All blood cells are red blood cells, is a possibility. II. Some red blood cells are not blood cells.
Under the ABO method, a person with an unknown blood group loses a lot of blood in a road accident and needs an immediate blood transfusion. A friend of his, who has a valid certificate of his blood group, requests for blood donation without any delay. The blood group of the blood donor is:
In a blood donation camp, 100 people donated blood. 37 of them had blood group ’A’, 31 had blood group ‘B’, 14 had blood group ‘O’ and rest had blood group ‘AB’. If a sample is chosen at random, what is the probability that the sample contains blood of group ‘AB’?
Which one of the following pairs is not correctly matched?   Vitamin Role  A.   Vitamin B12  anti anaemic factor  B.  Vitamin C  antiscorbutic factor  C.  Vitamin D  anti sterility factor  D.  Vitamin K  antihaemorrhagic  factor
Which of the following pairs is NOT correctly matched? (Vitamin) (Rich Source) (a) Vitamin B6 Rice bran (b) Vitamin B2 Cod-liver oil (c) Vitamin E Wheat germ oil (d) Vitamin K Alfalfa  
Which of the following is not correctly matched? Vitamin Chemical Name 1. Vitamin A Retinol 2. Vitamin B2 Thymine 3. Vitamin C Ascorbic acid 4. Vitamin B9 Folates
Consider the following pairs Vitamin Deficiency             Disease A) Vitamin C                       Scurvy B) Vitamin D                       Rickets C) Vitamin E                       Night Blindness Choose the correctly matched pair