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Class 12 Biology Objective In English Chapter – 8 Human Health and Disease
( A ) ELISA
( B ) Culture
( C ) Chemical
( D ) Analytical
Answer-( A )
2. Tuberculosis is transmitted by-
( A ) Air
( B ) Water
( C ) Insect
( D ) Contact
Answer-( A )
3. Opium is obtained from
( A ) Papaver somniferum
( B ) Erythroxylum coca
( C ) Cannabis sativa
( D ) Atropa belladonna
Answer-( A )
4. B-lymphocytes are produced in
( A ) Bone marrow
( B ) Thymus
( C ) Blood
( D ) Lymph
Answer-( A )
5. In retroviruses, genetic material is :
( A ) RNA
( B ) DNA
( C ) hn RNA
( D ) Split gane
Answer-( A )
6. The common cold is caused by
( A ) Rhino virus
( B ) Streptococcus pneumoniae
( C ) Salmonella typhi
( D ) Pasmodium vivax
Answer-( A )
7. A Toxic substance responsible for chill and high fever in Malaria is
( A ) Interferon
( B ) haemozoin
( C ) hirudin
( D ) colostrum
Answer-( B )
8. Virus infected cells secrete which proteins
( A ) histamines
( B ) colostrum
( C ) interferons
( D ) interleukines
Answer-( C )
9. Which is called first line of defence ?
( A ) Skin & Mucous membrane
( B ) Inflammation
( C ) Complement system
( D ) None
Answer-( A )
10. The genetic material of HIV is
( A ) ds DNA
( B ) ds RNA
( C ) ss DNA
( D ) ss RNA
Answer-( D )
11. An antibody consists of
( A ) H¹L¹
( B ) H²L²
( C ) H²L⁴
( D ) H⁴L⁴
Answer-( B )
12. Humoral immunity is associated with
( A ) T-cells
( B ) B-cells
( C ) Macrophages
( D ) None
Answer-( B )
13. The most abundant Antibody
produced against allergens is :
( A ) IgE
( B ) IgA
( C.) IgG
( D ) IgM
Answer-( A )
14. Which of the following disease can
not be cured by taking antibiotics?
( A ) Plague
( B ) Amoebiasis
( C ) Leprosy
( D ) Diptheria
Answer-( B )
15. Passive immunity can be conferred
directly by :
( A )vaccines
( B ) antitoxins
( C )colostrum
( D ) T-cells
Answer-( A )
16. The antibody which can cross
placental barrier is :
( A ) IgA
( B ) IgE
( C ) IgM
( D ) IgG
Answer-( D )
17. The primary Lymphoid organs are :
( A ) Spleen and thymus
( B ) Bone marrow & thymus
( C ) Bone marrow & lymph nodes
( D) Thymus & MALT
Answer-( B )
18. HIV is a retrovirus that attacks :
( A ) helper T-cells
( B ) killer T-cell
( C ) B-cell
( D ) Neutrophils
Answer-( A )
19. The cell called “HIV factory” is
( A ) helper T-cell
( B ) Macrophage
( C ) WBCs
( D ) Dendritic cells
Answer-( B )
20. Most common cancer in humans is
( A ) Melanoma
( B ) Lymphoma
( C ) Sarcoma
( D ) Carcinoma
Answer-( D )
21. Antibodies are formed by :
( A ) Fibroblasts
( B ) Plasma cells
( C ) Histiocytes
( D) Mast cells
Answer-( B )
22. T-lymphocytes originate from
( A ) bone-marrow
( B ) stomach
( C ) thymus
( D ) liver
Answer-( A )
23. Oncology is the study of :
( A ) Cancer
( B ) Oncogenes
( C ) Both A & B
( D ) Virus
Answer-( A )
24. LSD is got from
( A ) Fungus
( B ) Lichen
( C ) Algae
( D ) Bacterium
Answer-( A )
25. Which one is a stimulant
( A ) LSD
( B ) Cocaine
( C ) Cannabis
( D ) Opium
Answer-( B )
26. Which of the following is an example of autoimmune disease?
( A ) Asthma
( B ) Rheumatoid arthritis
( C ) Cancer
( D ) None of these
Answer-( B )
27. The immediate metabolic changes in the body noticed after consuming tobacco is
( A ) Release of catecholamines due to stimulation of Adrenal gland.
( B ) Sudden increase in BP & Heart beat
( C ) ‘A’ & ‘B’ both
( D ) None of these
Answer-( C )
28. Which of the following is a retro virus ?
( A ) Human Immuno Deficiency virus
( B ) Hepatitis virus
( C ) Micro virus influenzii
( D ) All of these
Answer-( A )
Class 12 Biology Objective In English Chapter – 8 Human Health and Disease
29. Which of the following disease is generated by allergens?
( A ) Skin cancer
( B ) Hay fever
( C ) Enteric fever
( D ) Goitre
Answer-( B )
30. Mast cell secretes :
( A ) Prostagland in
( B ) Glycoprotein
( C ) Histamine
( D ) Hirudin
Answer-( C )
31. AIDS is widely diagnosed by:
( A ) Widal Test
( B ) ELISA
( C ) PCR
( D ) Chromatography
Answer-( B )
32. Which is formed by Acetylation of Morphine ?
( A ) Heroin
( B ) Cocaine
( C ) Nicotine
( D ) Alkaloids
Answer-( A )
33.Cocaine is obtained from:
( A ) Erythroxylon coca
( B ) Paparver sominiferum
( C ) Atropa belladona
( D ) Datura stramonium
Answer-( A )
34. Hepatitis B is transmitted through
( A ) Sneezing
( B ) Coughing
( C ) Blood transfusion
( D )female mosquito
Answer-( C )
35. Level of which hormones get elevated by the in take of nicotine ?
( A ) FSH, LH
( B ) Oxytocin, prolactin
( C ) Adrenaline, Nor-adrenaline
( D ) FSH & Estrogen
Answer-( C )
36. Which one of the following is an opiate narcotic ?
( A ) Barbiturates
( B ) Morphine
( C ) Amphetamines
( D ) LSD
Answer-( B )
37. Which causes whooping cough?
( A ) Legionella sps.
( B ) Bordetella pertusis
( C ) Haemophilus
( D ) Mycobacterium
Answer-( B )
38. Which of the following disease is generated by allergens?
( A ) Skin
( B ) Hay fever
( C ) Enteric fever
( D ) Goitre
Answer-( B )
39. HIV destroys which cell in AIDS disease ?
( A ) B-cell
( B ) C-cell
( C ) T⁴-lymphocyte
( D ) Both (A) and (B)
Answer-( C )
40. Cancer is caused by
( A ) Bacteria
( B ) Oncogenes
( C ) Both (A) and (B)
( D ) None of these
Answer-( B )
41. Which one is viral disease ?
( A ) Flu
( B ) Polio
( C ) AIDS
( D ) All of these
Answer-( D )
42. Which in the following is viral disease?
( A ) Hepatitis
( B ) Polio
( C ) Aids
( D ) All
Answer-( D )
43. Widal Test is for the diagnosis of which disease in the following ?
( A ) Typhoid
( B ) T.B.
( C ) Cancer
( D ) Leprosy
Answer-( A )
44. Vaccine for Rabies was first produced by :
( A ) Edward Jenner
( B ) Robert Kotch
( C ) Louis Pasteur
( D ) S.L.Miller
Answer-( C )
45. Kotch postulate are not applicable to :
( A ) Diptheria
( B ) Leprosy
( C ) T.B.
( D ) Cholera
Answer-( B )
46. Hey fever is caused by :
( A ) virus
( B ) loss of vitamin
( C ) alergy
( D ) none
Answer-( C )
47 Cell mediated immunity is due to :
( A ) B-lymphocytes
( B ) T-lymphocytes
( C ) Both
( D ) Plasma cell
Answer-( B )
48. Chemically an antibody is :
( A ) Protein
( B ) Lipoprotein
( C ) Lipid
( D ) Nucleoprotein
Answer-( A )
49 Antibody found in colostrum is :
( A ) IgA
( B ) IgG
( C ) IgD
( D ) IgE
Answer-( A )
50. Morphine and opium are got from :
( A ) Cajanus Cajan
( B ) Cannabis sativa
( C ) Papaver somniferum
( D ) Rauwolfia serpentina
Answer-( C )
51. AIDS spreads through:
( A ) Blood transfusion
( B ) Placental transmission
( C ) Sexual intercourse
( D ) All the above
Answer-( D )
52. Resistance against disease is due to :
( A ) Immunoglobulin
( B ) HLA proteins
( C ) Antigens
( D ) Histamine
Answer-( A )
53.HIV attacks :
( A ) B-lymphocytes
( B ) Antibodies
( C ) T-lymphocytes
( D ) Erythrocytes
Answer-( C )
Class 12 Biology Objective In English Chapter – 8 Human Health and Disease
54. Aquatic fern which is an excellent biofertiliser :
( A ) Azolla
( B ) Salvinia
( C ) Marsilea
( D ) Pteridium
Answer-( A )
55. Most famous bacterial fertilizer is :
( A ) Nitrosomonas
( B ) Nitrobacter
( C ) Nitrosococcus
( D ) Rhizobium
Answer-( D )
56. Group of bacteria used in biogas production is :
( A ) Eubacteri
( B ) Organotrophs
( C ) Methanotrophs
( D ) Methanogens
Answer-( D )
57. Stimulant found in Cola, Tea and Cocoa is :
( A ) Cocaine
( B ) Tannin
( C ) Amphetamine
( D ) Caffeine
Answer-( D )
58. Opiates and heroin are obtained from :
( A ) Thea
( B ) Papaver
( C ) Cannabis
( D ) Theobroma
Answer-( B )
59. Heroin is got from plant of Family:
( A ) Leguminosae
( B ) Papaveraceae
( C ) Liliacae
( D ) Solanaceae
Answer-( B )
60. Stem cells arise from :
( A ) Yolk sac
( B ) Liver of foetus
( C ) Bone marrow
( D ) All
Answer-( D )
61. Which antibody initatiates allergic reaction ?
( A ) IgM
( B ) IgE
( C ) IgD
( D ) IgA
Answer-( B )
62. The drug that functions as depresent of CNS is :
( A ) Amphetamine
( B )Caffeine
( C ) Opium
( D ) Hallucinogen
Answer-( C )
63.LSD is :
( A ) Narcotic
( B ) Stimulant
( C ) Antidepresent
( D ) Hallucinogen
Answer-( D )
64.Stimulant cocaine is obtained from :
( A ) Rauwolfia
( B ) Erythroxylon
( C ) Papaver
( D ) Eucalptus
Answer-( B )
64.AZT is used in treatment of
( A ) Malaria
( B ) AIDS
( C ) T.B.
( D ) Kala-azar
Answer-( B )
