Tiêu đề 08. HUMAN HEALTH AND DISEASES.pdf ✅

08. HUMAN HEALTH AND DISEASES 1. Which of the following factors affect human health? (i) Infections (ii) Silent mutation (iii) Life style (iv) Genetic disorders (a.) (i), (iii) and (iv) (b.) (i), (ii) and (iv) (c) (i) and (ii) (d.) (i), (ii), (iii) and (iv) 2. The organisms which cause diseases in plants and animals are called. (a.) Vectors (b.) Pathogens (c.) Insects (d.) Worms 3. Select the mismatched pair. Name of the Plant Plant/part Drug obtained (a.) Erythroxyion Coca Leaves and Young twigs Cocaine (b) Claviceps purpurea Fruiting bodies Lysergic acid diethylamide(LS D) (c) Thea Chinensis Dried seeds Mescaline (d) Cannabis sativa Leaves, resin and inflorescence Bhang, hashish 4. In higher vertebrates, the immune system can distinguish self - cells and non - self. If this property is lost due to genetic abnormality and it attacks self - cells, then it leads to (a.) Allergic response (b.) Garft rejection (c) Active immunity (d.) Auto - immune disease 5. Select the correct option to fill up the blanks. (i) Diseases which are easily transmitted from one person to another, are called _____ diseases. (ii) In human body, parasite of malaria initially multiplies within the _____ and then attack the _____. (iii) _____ is the yellowish fluid secreted by mother during the initial days of lactation. (iv) _____ and _____ are the primary lymphoid organs. (a.) (i) infections (ii) liver cell, RBC, (iii) colostrums, (iv) bone marrow, thymus (b) (i) infectious, (ii) bone marrow, thymus, (iii) colostrums, (iv) liver cell, RBC (c) (i) interferon, (ii) bone marrow, thymus, (iii) colostrums, (iv) infectious, RBC (d) (i) infectious, (ii) liver, cell RBC, (iii) colostrums, (iv) spleen, lymph node 6. The chemical test that is used for diagnosis of typhoid is. (a.) ELISA - Test (b.) Widal - Test (c) ESR - Test (d.) PCR - Test 7. Consider the following four statements (A -D) regarding kidney transplant and select the two correct ones out of these. The two correct statements are (A) Even if a kidney transplant is proper the recipient may need to take immune - suppressants for a long time (B) The cell - mediated immune response is responsible for the graft rejection. (C) The B - lymphocytes are responsible for rejection of the graft

Normal cells Cancerous cells (i) These cells undergo cell division as well as differentiation These cells undergo cell division but do not undergo differentiation (ii) These cells show contact inhibition i.e. after coming in contact with other cells, these inhibit their uncontrolled growth These cells have lost the property of contact inhibition. (iii ) Life span of these cells is not definite Life span of these cells is also not definite (iv) These cells divide in controlled manner These cells divide in an uncontrolled manner. (a.) (i) and (iii) (b.) (iii) only (c) (ii) and (iv) (d.) (ii) only 19. Which of the following qre the reason (s) for Rheumatoid arthritis? Choose the correct option. (i) The ability to differentiate pathogens or foreign molecules from self cells increases. (ii) Body attacks self cells. (iii) More antibodies are produced in the body. (iv) The ability to differentiate pathogens or foreign molecules from self cells is lost. (a.) (i) and (ii) (b.) (iii) and (iv) (c) (ii) and (iv) (d.) (i) and (iii) 20. Which of these is a member of the group of chemicals whose chemical structure is given below? (a.) Marijuana (b.) Hashish (c) Ganja (d.) All of these 21. ‘Smack’ is a drug obtained from the (a.) Leaves of cannabis sativa (b) Flowers of Dhatura (c) Fruits of Erythroxyl coca. (d) Latex of papaver somniferum 22. Which of the following is affected by the infection of Wuchereria bancrofti? (a.) Respiratory system (b.) Nervous system (c) Lymphatic vessels (d.) Blood circulation 23. The substance produced by a cell in viral infection that can protect other cells from further infection is. (a.) Serotonin (b.) Interferon (c) Colostrum (d.) Histamine 24. Level of which hormones get elevated by the intake of nicotine? (a.) Adrenaline, nor-adrenaline. (b.) FSH, LH (c) Thyroxine, progesterone (d.) Oxytocin, Prolactin 25. Edward jenner discovered (a.) Vaccination against polio (b) Vaccination against small pox
(c) Immunization against polio (d) Immunization against small pox 26. Which of the following statements is incorrect? (a.) Dysentery (b.) Malaria (c) Plague (d.) Both (a.) and (c.) 27. At which stage of HIV infection does one usually a how symptoms of AIDS (a.) Within 15 days of sexual contact with an infected person (b) When the infecting retrovirus enters host cells (c) When HIV replicates rapidly in helper T - lymphocytes and damages large number of these (d) When viral DNA is produced by reverse transcriptase 28. Which drug is used as medicine to help patients cope with depression and insomnia? (a.) Morphine (b.) Amphetamines (c) Barbiturate (d.) Both (b) and (c.) 29. The cell - mediated immunity inside the human body is carried out by. (a.) Erythrocytes (b.) T - lymphocytes (c) B - lymphocytes (d.) Thrombocytes 30. Select the correct statement with respect to the given plants. (a.) Opium is dried latex obtained from the unripe capsular fruits of plant A. (b) The drug obtained from plant B is a powerful CNS stimulant, which increases a person’s mental alertness and physical activity (c) Plant C belongs to family Moraceae; bhang, ganja, charas and marijuana are the hallucinogenic products obtained from this plant. (d) All of these. 31. Disease which occurs due to malfunctioning of organs is (a.) Deficiency disease (b.) Degenerative disease (c) Allergic disease (d.) Hereditary disease 32. Sporogony of malarial parasite occurs is (a.) Stomach wall of masquito (b) Salivary glands of mosquito (c) RBCs of man (d) Liver of man 33. In malaria, which of the following is released in blood to cause severe chill (a.) Hematin (b.) Haemozoin (c) Haemoglobin (d.) Haemolysin 34. An organism which has been used as a weapon in biological was causes which of the following disease? (a.) Malaria (b.) Common cold (c) Influenza