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1. Lathyrism is caused by excessive consumption of
(a) Khesari dal
(b) Mustard oil
(c) Polished rice
(d) Mushrooms
Answer A
2. Consumption of fish is considered to be healthy when compared to flesh of other animals because fish contains
(a) Polyunsaturated fatty acids
(b) Saturated fatty acids
(c) Essential vitamins
(d) More carbohydrates and proteins
Answer A
3. A married couple adopted a male child. A few years later, twin boys were born to them. The blood group of the couple is AB positive and O negative. The blood group of the three sons is A positive, B positive, and O positive. The blood group of the adopted son is
(a) Positive
(b) A positive
(c) B positive
(d) Cannot be determined on the basis of the given data
Answer A
4. What is the name of the vessel that delivers the nutrient-rich blood from the stomach and small intestine to the liver?
(a) Left hepatic artery
(b) Hepatic vein
(c) Right hepatic artery
(d) Hepatic portal vein
Answer D
5. With reference to the blood in a normal person, which one of the following statements is correct?
(a) Compared to arteries, veins are less numerous and hold less of the body's blood at any given time
(b) Blood cells constitute about 70% of the total volume of the blood
(c) White Blood Cells (WBQ are made by lymph nodes only
(d) The blood has more platelets than WBC
Answer D
6. A man whose blood group is not known meets with a serious accident and needs blood transfusion immediately. Which one of the blood groups mentioned below and readily available in the hospital will be safe for transfusion?
(a) O, Rh
(b) O, Rh+
(c) AB, Rh’
(d) AB, Rh"
Answer A
7. The blood glucose level is commonly expressed as
(a) mm. of Hg
(b) milligram per decilitre
(c) parts per million
(d) grams per litre
Answer B
8. The sensation of fatigue in the muscles after prolonged strenuous physical work is caused by
(a) A decrease in the supply of oxygen
(b) Minor wear and tear of muscle fibres
(c) The depletion of glucose
(d) The accumulation of lactic acid
Answer D
9. Regular intake of fresh fruits and vegetables is recommended in the diet since they are a good source of antioxidants. How do antioxidants help a person’s health and promote longevity?
(a) They activate the enzymes necessary for synthesis in the body and help prevent deficiency
(b) They prevent excessive oxidation of carbohydrates, fats and proteins in the body and help unnecessary wastage of energy
(c) They neutralise the free radicals produced during metabolism
(d) They activate certain genes in the cells of the body and help delay the ageing process
Answer C
10. Antigen is a substance which
(a) destroys harmful bacteria
(b) is used to treat poisoning
(c) lowers body temperature
(d) stimulates formation of antibody
Answer A