Class-12 Biology Ch-8 Human Health and Disease MCQs Exam 2027 New

💁 Ankit Raj

📅 27/02/2026

Class-12 Biology Ch-8 Human Health and Disease MCQs Exam 2027

Class-12 Biology Ch-8 Human Health and Disease MCQs Exam 2027 Details: नीचे दिए गए सभी Questions Bihar Board परीक्षा 2027 के लिए “Very Very Important Multiple Choice Questions (MCQs) Objective” (अत्यंत महत्वपूर्ण प्रश्न) हैं। इन सभी Class 12th Biology /जीवविज्ञान ) = जीवविज्ञान भाग-1 (English Medium) Book Chapter-8 Human Health and Disease का Questions का Solve का वीडियो Youtube और Website पर Upload किया है।

Class-12 Biology Ch-8 Human Health and Disease MCQs Exam 2027

Topic 1: Manav Swasthya evam Samanya Rog (Common Diseases in Humans)

1. malaria bukhar mein kanpkanpi va ucch jvar ke liye uttardayi padarth hai: [2022A]

(A) interferon

(B) haemozoin

(C) hirudin

(D) colostrum

2. vidal parikshan se kis jvar ki pushti hoti hai? [2024A]

(A) malaria

(B) typhoid

(C) AIDS

(D) pneumonia

3. hathipanv (Elephantiasis) rog ka janak hai: [2021A]

(A) ascaris

(B) wuchereria

(C) entamoeba

(D) salmonella

4. manushya mein plasmodium ki sankraman avastha kya hoti hai? [2020A]

(A) sporozoite

(B) merozoite

(C) cryptozoite

(D) inmein se koi nahi

5. dad (Ringworm) ki bimari kiske dwara hoti hai? [2022A]

(A) jivanu dwara

(B) kavak (Fungi) dwara

(C) vishanu dwara

(D) krimi dwara

6. kshaya rog (Tuberculosis) ka sankraman mukhyatah kiske dwara hota hai? [2021A]

(A) jal dwara

(B) hava dwara

(C) keet dwara

(D) sampark dwara

7. kushth rog (Leprosy) kiske karan hota hai? [2022A]

(A) TMV dwara

(B) salmonella dwara

(C) mycobacterium dwara

(D) monasystis dwara

8. nimnlikhit mein kaun sankramak rog hai? [2024A]

(A) madhumeh

(B) malaria

(C) cancer

(D) typhoid

9. wuchereria bancrofti jo aadmi mein filaria rog paida karta hai, ka samuh kya hai? [2021A]

(A) protozoa

(B) jivanu

(C) vishanu

(D) helminth

10. boond sankraman (Droplet infection) kya hai? [2023A]

(A) syphilis

(B) tetanus

(C) typhoid

(D) pneumonia

11. amoebiasis kiske dwara hota hai?

(A) entamoeba histolytica

(B) plasmodium

(C) ascaris

(D) taenia

12. syphilis ek janan ang rog hai jo kiske dwara hota hai? [2021A]

(A) mycobacterium

(B) treponema pallidum

(C) salmonella

(D) HIV

13. dengue jvar (Dengue Fever) ka vahak hai?

(A) Aedes macchar

(B) Culex

(C) Anopheles

(D) makkhi

14. filaria ka krimi hai—

(A) wuchereria bancrofti

(B) ascaris

(C) tapeworm

(D) plasmodium

15. kala-azar kiske dwara sancharit hota hai?

(A) sandfly

(B) housefly

(C) macchar

(D) tick

16. pneumonia kiske sankraman se hota hai?

(A) phephade

(B) hriday

(C) gurda

(D) mastishk

17. malaria ka parjivi apna laingik chakra kahan pura karta hai?

(A) manav rakt mein

(B) mada anopheles ke amashay mein

(C) yakrit mein

(D) pleeha mein

18. athlete’s foot bimari hoti hai—

(A) jivanu se

(B) kavak se

(C) protozoa se

(D) nematode se

19. tetanus rog ka karan hai—

(A) clostridium tetani

(B) vibrio cholerae

(C) salmonella

(D) mycobacterium

20. lock jaw kis bimari ka dusra naam hai?

(A) diphtheria

(B) tetanus

(C) pneumonia

(D) plague

21. typhoid mein sharir ka kaun-sa ang sabse adhik prabhavit hota hai?

(A) phephade

(B) hriday

(C) aant (Intestine)

(D) mastishk

22. malaria rog ka vahak kaun hai?

(A) nar anopheles macchar

(B) mada anopheles macchar

(C) mada culex macchar

(D) mada aedes macchar

23. sankramit peyajal se phailne vala rog nimnlikhit mein kaun hai?

(A) typhoid

(B) malaria

(C) filaria

(D) kala-azar

24. filaria rog (Elephantiasis) ka sancharan kiske dwara hota hai?

(A) macchar dwara

(B) makkhi dwara

(C) dushit jal dwara

(D) sampark dwara

25. nimnlikhit mein se kaun vishanu se hone vali bimari nahi hai? [2021A]

(A) mumps

(B) influenza

(C) diphtheria

(D) measles

26. whooping cough (kali khansi) kisse hota hai?

(A) bordetella pertussis

(B) legionella sps

(C) brucella

(D) inmein se koi nahi

27. nimnankit mein se kaun-sa rog jivanu janit rog hai?

(A) AIDS

(B) polio

(C) syphilis

(D) malaria

28. malaria ke liye zimmedar pathogen kis prakar ka jeev hai? [2026]

(A) virus

(B) bacteria

(C) protozoa

(D) nematode

29. kaun si bimariyan insect vectors dwara phailti hain? [2026]

(A) typhoid

(B) malaria

(C) filaria

(D) both (B) and (C)

30. samanya sardi (Common Cold) kiske dwara hota hai?

(A) rhino virus

(B) streptococcus pneumoniae

(C) salmonella typhi

(D) plasmodium vivax

Topic 2: Pratirakshatantr (Immune System) aur Tikakaran

31. nimnlikhit mein se kis rakt koshika ko PMNL kehte hain? [2024A]

(A) lymphocyte

(B) monocyte

(C) neutrophil

(D) platelets

32. nimnlikhit mein se kaun-sa antibody placenta ko paar kar sakta hai? [2021A]

(A) IgA

(B) IgE

(C) IgM

(D) IgG

33. antibody jo hamare sharir mein hain, ve kya hain? [2020A]

(A) steroid

(B) glycoprotein

(C) lipoprotein

(D) inmein se sabhi

34. nimnlikhit mein se kiski prachurta colostrum mein hoti hai? [2024A]

(A) IgA

(B) IgG

(C) IgM

(D) IgD

35. allergy ke karan nikalne vale rasayan hain: [2021A]

(A) histamine

(B) serotonin

(C) (A) aur (B) dono

(D) inmein se koi nahi

36. triple antigen teeka (DPT) ka upyog kiske liye nahi hota hai? [2021A]

(A) diphtheria

(B) tetanus

(C) typhoid

(D) pertussis

37. ek antibody anu kisse bana hota hai?

(A) H2L2

(B) H4L2

(C) H2L4

(D) H4L4

38. humoral immunity kisse sambandhit hai?

(A) T-cells

(B) B-cells

(C) macrophages

(D) koi nahi

39. nimnlikhit mein se kaun-sa antibody allergy shuru karta hai?

(A) IgM

(B) IgE

(C) IgD

(D) IgA

40. T-lymphocyte kisme utpann hota hai? [2023A]

(A) yakrit

(B) thymus

(C) asthi-majja

(D) (B) aur (C) dono

41. rakt mein pratirakshi kiske dwara sravit hote hain? [2023A]

(A) monocytes

(B) neutrophils

(C) lymphocytes

(D) basophils

42. passive immunity seedhe taur par kiske dwara banta hai?

(A) teeka

(B) antitoxin

(C) colostrum

(D) T-koshika

43. aise padarth jinke prati pratiraksha anukriya hoti hai, unhe kya kehte hain? [2021A]

(A) allergen

(B) teeka

(C) antibody

(D) antigen

44. pratirakshi (Antibody) kiske dwara banti hai?

(A) fibroblast

(B) plasma koshikaon dwara

(C) histiocytes

(D) mast koshikaon dwara

45. interferon kya hai? [2019A]

(A) antibacterial protein

(B) antiviral protein

(C) hormone

(D) enzyme

46. allergy mein prayukt hone vali antibody hai—

(A) IgA

(B) IgE

(C) IgG

(D) IgM

47. shishuon ko diya jane vala ‘colostrum’ kis mein samriddh hota hai?

(A) vitamin

(B) khanij

(C) antibody

(D) sharkara

48. B-lymphocytes ka nirman kahan hota hai? [2019A]

(A) asthi majja mein

(B) thymus mein

(C) rakt mein

(D) lymph granthi mein

49. T-lymphocytes kahan paripakv hote hain?

(A) asthi majja mein

(B) thymus mein

(C) yakrit mein

(D) pleeha mein

50. teekakaran (Vaccination) kis siddhant par adharit hai?

(A) pachan

(B) utsarjan

(C) smriti (Memory)

(D) shvasan

51. histamine ka srav kahan se hota hai?

(A) mast koshikaon se

(B) liver se

(C) kidney se

(D) dil se

52. sahaj pratiraksha (Innate Immunity) kaisi hoti hai?

(A) janmajat

(B) uparjit

(C) sankramak

(D) gair-vishisht

53. BCG ka teeka kiske viruddh diya jata hai?

(A) khasara

(B) T.B. (Tuberculosis)

(C) haiza

(D) polio

54. uparjit pratiraksha (Acquired Immunity) ki visheshtha hai—

(A) vishishtta

(B) smriti

(C) vividhta

(D) uparyukt sabhi

55. interferon kiske viruddh kaam karte hain?

(A) jivanu

(B) kavak

(C) vishanu (Virus)

(D) protozoa

56. macrophages kya hain?

(A) bhakshak koshikaein

(B) sravi koshikaein

(C) tantrika koshikaein

(D) peshi koshikaein

57. pratirakshi anu mein kitni polypeptide shrinkhalaein hoti hain?

(A) 2

(B) 4

(C) 6

(D) 8

58. kaun-si pratiraksha koshikaein antibody banati hain?

(A) T-koshikaein

(B) B-koshikaein

(C) neutrophil

(D) monocyte

59. pradah (Inflammation) ke dauran kaun-sa rasayan nikalta hai?

(A) histamine

(B) glucose

(C) urea

(D) iodine

60. virus-infected cells dwara secrete kiya jane vala interferon kis tarah ka barrier hai? [2026]

(A) cytokine barrier

(B) physical barrier

(C) cellular barrier

(D) physiological barrier

61. graft rejection rokne ke liye mareez ko kya diya jata hai? [2026]

(A) immunosuppressant

(B) vaccine

(C) readymade antibodies

(D) all of these

62. inmein se kaun se primary lymphoid organs hain? [2026]

(A) bone marrow aur tonsils

(B) bone marrow aur thymus

(C) lymph nodes

(D) thymus aur lymph nodes

63. pratirakshi (Antibody) anu mein peptide shrinkhalaein kis bandh dwara judi hoti hain? [2021A]

(A) hydrogen bandh

(B) peptide bandh

(C) disulfide bandh

(D) ionic bandh

64. nimn mein se kaun-sa swa-pratiraksha vikar (Autoimmune disease) nahi hai?

(A) type-1 madhumeh

(B) AIDS

(C) RA

(D) psoriasis

65. inmein se kaun swa-pratiraksha rog (Autoimmune disease) ka udaharan hai? [2018A]

(A) dama

(B) rheumatoid arthritis

(C) cancer

(D) inmein se koi nahi

Topic 3: AIDS aur HIV

66. AIDS ke liye sabse sahi pehchan hetu kis jaanch ka prayog kiya jata hai? [2019A]

(A) ELISA

(B) vidal parikshan

(C) Western Blot

(D) PCR

67. HIV nimn mein kis koshika par akraman karta hai? [2021A, 2024A]

(A) B-koshika

(B) T-koshika

(C) epithelial koshika

(D) T-helper koshika

68. PCR se kiski jaanch hoti hai? [2021A]

(A) HIV ka

(B) kshaya rog ka

(C) haiza ka

(D) cancer ka

69. retro vishanu nimn mein se kis bimari ka rogjanak hai? [2023A]

(A) filaria

(B) syphilis

(C) AIDS

(D) (B) aur (C) dono

70. AIDS kiske dwara phailta hai?

(A) rakt ke adan-pradan se

(B) placenta ke adan-pradan se

(C) laingik sambhog se

(D) uparyukt sabhi se

71. nimnlikhit mein se kise HIV factory kaha jata hai?

(A) helper T-koshika

(B) macrophage

(C) shvet rakt kanika

(D) dendritic koshika

72. AIDS vishanu ka anuvanshik padarth hai: [2022A]

(A) ek kundalini DNA

(B) dwikundalini DNA

(C) ek kundalini RNA

(D) dwikundalini RNA

73. retrovirus mein anuvanshik padarth kya hai?

(A) RNA

(B) DNA

(C) hn RNA

(D) split gene

74. inmein se pashch vishanu (Retrovirus) kaun hai? [2018A]

(A) HIV

(B) hepatitis virus

(C) micro virus influenza

(D) inmein se sabhi

75. AZT aushadhi kiske ilaj mein prayukt hota hai?

(A) malaria

(B) AIDS

(C) T.B.

(D) kala jvar

76. AIDS rog ki pehchan mukhyatah kisse ki jati hai?

(A) vidal jaanch

(B) ELISA jaanch

(C) PCR

(D) chromatography

77. AIDS ka sancharan nahi hota hai—

(A) gale milne se

(B) sambhog se

(C) sui sajha karne se

(D) rakt adhan se

78. AIDS ka virus pehli baar kab khoja gaya?

(A) 1981

(B) 1983

(C) 1990

(D) 1975

79. kis virus mein reverse transcriptase enzyme hota hai? [2026]

(A) TMV

(B) bacteriophage

(C) HIV

(D) all of these

80. ELISA ka pura naam kya hai?

(A) Enzyme Linked Immuno-Sorbent Assay

(B) Enzyme Linked Ion Assay

(C) Easy Linked Immuno Assay

(D) koi nahi

Topic 4: Cancer (Arbud)

81. oncology kiska adhyayan hai? [2021A]

(A) cancer ka

(B) oncogenes ka

(C) (A) aur (B) dono

(D) vishanu ka

82. manushya mein sabse jyada hone vala cancer hai?

(A) melanoma

(B) lymphoma

(C) sarcoma

(D) carcinoma

83. nimnlikhit mein kaun cancer koshikaein hain? [2020A]

(A) plasma koshikaein

(B) HeLa koshikaein

(C) memory koshikaein

(D) T-koshikaein

84. cancer kis karan se hota hai? [2021A]

(A) jivanu dwara

(B) oncogene dwara

(C) (A) aur (B) dono

(D) inmein se koi nahi

85. nimnankit mein se kaun cancer ke upchar mein prayukt hota hai?

(A) chemotherapy

(B) radiotherapy

(C) surgery

(D) inmein se sabhi

86. sarcoma cancer kis ootak ko prabhavit karta hai?

(A) upkala ootak

(B) sanyoji ootak

(C) tantrika ootak

(D) rakt

87. cancer ki koshikaon ka prasar kehlata hai?

(A) metastasis

(B) apghatan

(C) utparivartan

(D) vibhajan

88. lymphoma kis ang ka cancer hai?

(A) haddi

(B) lasika ganthein

(C) rakt

(D) tvacha

89. cancer ke liye uttardayi gene hai—

(A) oncogene

(B) niyamak gene

(C) sancharnatmak gene

(D) jumping gene

90. cancer ke ilaj ke liye nimnlikhit mein se kaun-sa prachalit nahi hai? [2023A]

(A) chemotherapy

(B) radiotherapy

(C) physiotherapy

(D) surgery

91. oncology koshikaon ka swabhav hai—

(A) aniyantrit vibhajan

(B) niyantrit vibhajan

(C) vibhajan nahi hona

(D) inmein se koi nahi

92. carcinogens se hota hai—

(A) AIDS

(B) cancer

(C) malaria

(D) T.B.

93. biopsy kis rog ki jaanch ke liye hai?

(A) cancer

(B) typhoid

(C) malaria

(D) AIDS

94. tumor kitne prakar ke hote hain?

(A) 1

(B) 2

(C) 3

(D) 4

95. benign tumor ki visheshtha hai—

(A) apne sthan tak seemit rehna

(B) teji se phailna

(C) metastasis dikhana

(D) inmein se sabhi

Topic 5: Drugs aur Alcohol

96. heroin hai— [2022A]

(A) mono acetyl morphine

(B) triacetyl morphine

(C) diacetyl morphine

(D) tetra acetyl morphine

97. tobacco ke sevan se sharir mein kaun-sa upapchayi parivartan sheeghra parilakshit hota hai? [2021A]

(A) adrenal granthi ke uddeepan se catecholamine ka rakt mein srav

(B) vyakti ke raktchap tatha hriday spandan ki dar mein ekayak vriddhi

(C) (A) aur (B) dono

(D) inmein se koi nahi

98. afeem va heroin kisse prapt hoti hai?

(A) dhatura

(B) papaver

(C) cannabis

(D) theobroma

99. nicotine ke upyog dwara kis hormone ka star badh jata hai?

(A) FSH, LH

(B) oxytocin, progesterone

(C) adrenaline, nor-adrenaline

(D) FSH aur estrogen

100. cocaine kisse prapt kiya jata hai?

(A) erythroxylum coca

(B) papaver somniferum

(C) atropa belladonna

(D) datura stramonium

101. adhik alcohol lene se sharir ka kaun-sa ang sabse jyada prabhavit hota hai? [2021A]

(A) phephada

(B) yakrit (Liver)

(C) spleen

(D) amashay

102. diacetyl morphine kya hai? [2024A]

(A) cocaine

(B) heroin

(C) cannabinoid

(D) kavak

103. LSD hai—

(A) nasha

(B) avasadi

(C) chitt par mithya prabhav dalkar chetna badhane vala

(D) kavak se prapt hallucinogen

104. amphetamines kis tarah ka nasha hai?

(A) avsadak

(B) uttejak

(C) hallucinogen

(D) inmein se koi nahi

105. vah aushadhi jo CNS ke karya ko kam karne ki tarah karya karta hai—

(A) amphetamine

(B) caffeine

(C) afeem

(D) hallucinogen

106. heroin kis padap parivar se prapt kiya jata hai?

(A) leguminosae

(B) papaveraceae

(C) liliaceae

(D) solanaceae

107. afeem se prapt morphine kya hai?

(A) nasha

(B) uttejak

(C) dard nivarak (Analgesic)

(D) inmein se koi nahi

108. nicotine kya hai?

(A) alkaloid

(B) vitamin

(C) enzyme

(D) hormone

109. ‘smack’ kya hai?

(A) cocaine

(B) heroin

(C) hashish

(D) marijuana

110. morphine ka rasayanik sutra kya hai?

(A) C17H19NO3

(B) C21H23NO5

(C) C10H15N

(D) C12H22O11

111. cirrhosis rog kiske adhik sevan se hota hai?

(A) tobacco

(B) sharab (Alcohol)

(C) cocaine

(D) afeem

112. cocaine ka mukhya prabhav kis par hota hai?

(A) dopamine parivahan

(B) serotonin

(C) insulin

(D) adrenaline

113. cannabinoids ka prabhav mukhyatah kis ang par hota hai?

(A) hriday-vahika tantr

(B) pachan tantr

(C) shvasan tantr

(D) utsarjan tantr

114. ‘withdrawal syndrome’ kisse sambandhit hai?

(A) dava ya sharab chhodna

(B) sankraman

(C) teekakaran

(D) neend aana

115. kaun sa drug dopamine ke transport mein rukavat dalta hai? [2026]

(A) nicotine

(B) hashish

(C) morphine

(D) cocaine

Topic 6: Manav Kalyan mein Sukshmjeev (Industrial & Lab use)

116. doodh se dahi banne par kis vitamin ki matra badh jati hai? [2026]

(A) Vitamin A

(B) Vitamin B2

(C) Vitamin C

(D) Vitamin B12

117. blood cholesterol kam karne vala agent kaun sa hai? [2026]

(A) statin

(B) cyclosporin-A

(C) antibiotic

(D) streptokinase

118. streptokinase kisse prapt kiya jata hai?

(A) streptococcus

(B) trichoderma

(C) yeast

(D) monascus

119. sharab (Alcohol) ka nirman kis prakriya dwara hota hai? [2015A]

(A) vikhandan

(B) kinvan (Fermentation)

(C) sanyojan

(D) inmein se koi nahi

120. swiss paneer mein bade chhidra kiske karan hote hain? [2023A]

(A) CO2 ke adhik utpadan se

(B) O2 ke utpadan se

(C) kavak dwara

(D) bacteria ke mrit hone se

121. statin kisse prapt hota hai?

(A) yeast (Monascus purpureus)

(B) jivanu

(C) kavak

(D) protozoa

122. penicillin kiske dwara prapt kiya gaya tha?

(A) penicillium notatum

(B) streptococcus

(C) lactobacillus

(D) rhizobium

123. cyclosporin-A kiske liye upyog hota hai?

(A) hriday rogon mein

(B) ang pratyaropan mein

(C) bukhar mein

(D) cancer mein

124. kinvan ki khoj kisne ki thi?

(A) louis pasteur

(B) fleming

(C) koch

(D) watson

125. acetic acid ka utpadan kiske dwara hota hai?

(A) acetobacter aceti

(B) lactobacillus

(C) clostridium

(D) aspergillus

126. citric acid kisse prapt hota hai?

(A) aspergillus niger

(B) yeast

(C) acetobacter

(D) clostridium

127. nimn mein se kaun-sa joda galat hai? [2026]

(A) Cyclosporin-A – Fungus dwara

(B) Statin – Yeast dwara

(C) Streptokinase – Bacteria dwara

(D) Butyric acid – Fungus dwara

128. sirka (Vinegar) utpadan mein kis jivanu ka upyog hota hai? [2022A]

(A) acetobacter aceti

(B) lactobacillus

(C) clostridium

(D) rhizobium

129. penicillin ki khoj kis varsh hui thi?

(A) 1928

(B) 1945

(C) 1910

(D) 1935

130. microbes ka prayog kahan nahi kiya jata?

(A) dahi banana

(B) bread banana

(C) plastic nirman

(D) antibiotic nirman

Topic 7: Sewage Treatment aur Biogas

131. vahit mal (Sewage) ke prathmik upchar mein kya shamil hai? [2021A]

(A) avsadan tatha nisyandan

(B) vayviya apghatan

(C) avayviya apghatan

(D) ye sabhi

132. BOD ka badhna kya darshata hai? [2024A]

(A) jal svacch hai

(B) jal bahut pradushit hai

(C) sukshmjeev kam hain

(D) inmein se koi nahi

133. biogas ka mukhya ghatak kya hai? [2018A, 2022A]

(A) CO2

(B) H2S

(C) CH4

(D) N2

134. sewage treatment mein activated sludge ka upyog kis stage mein hota hai?

(A) prathmik

(B) dwitiyak

(C) tritiyak

(D) inmein se koi nahi

135. biogas plant mein kis bacteria ka upyog hota hai?

(A) methanogens

(B) halophiles

(C) thermoacidophiles

(D) cyanobacteria

136. BOD ka pura naam kya hai?

(A) Biological Oxygen Demand

(B) Biochemical Oxygen Demand

(C) Both (A) and (B)

(D) koi nahi

137. methanogenic jivanu kahan paye jate hain?

(A) pashuon ke rumen mein

(B) daldal mein

(C) biogas plant mein

(D) uparyukt sabhi mein

138. flocs kisme bante hain?

(A) dwitiyak upchar mein

(B) prathmik upchar mein

(C) tritiyak upchar mein

(D) inmein se koi nahi

139. jal pradushan ko kiske dwara mapa jata hai?

(A) BOD

(B) pH

(C) tapman

(D) gadhapan

140. biogas ko aur kya kehte hain?

(A) gobar gas

(B) natural gas

(C) coal gas

(D) water gas

Topic 8: Bio-control aur Bio-fertilizers

141. butterfly caterpillars ko kiski madad se control kiya jata hai? [2026]

(A) Pseudomonas

(B) Trichoderma

(C) Bacillus thuringiensis

(D) Baculovirus

142. kaun sa cyanobacteria vatavaran ki nitrogen ko fix karta hai? [2026]

(A) Nostoc

(B) Anabaena

(C) Oscillatoria

(D) All of these

143. mycorrhiza kiske beech ka sahjeevi sambandh hai? [2021A]

(A) kavak tatha ucch padapon ki jadon

(B) shaival tatha kavak

(C) jivanu tatha jadon

(D) inmein se koi nahi

144. ladybird ka prayog kis keet ko niyantrit karne mein hota hai? [2026]

(A) aphids

(B) macchar

(C) makkhi

(D) chuhe

145. trichoderma ka upyog kiske liye kiya jata hai?

(A) padap rogon ke jaivik niyantran mein

(B) nitrogen sthirikaran mein

(C) biogas utpadan mein

(D) inmein se koi nahi

146. baculoviruses kis samuh ke hote hain?

(A) nucleopolyhedrovirus

(B) rhino virus

(C) retro virus

(D) TMV

147. dhaan ke kheton mein nitrogen sthirikaran ke liye kiska prayog hota hai?

(A) cyanobacteria

(B) yeast

(C) lactobacillus

(D) clostridium

148. bio-fertilizers mukhya roop se kya badhate hain?

(A) mitti ki urvarakta

(B) mitti ka pradushan

(C) padap rog

(D) khar-patwar

149. IPM ka pura naam kya hai?

(A) Integrated Pest Management

(B) Internal Pest Management

(C) Indian Pest Management

(D) International Pest Management

150. rhizobium jivanu kis padap parivar ki jadon mein paye jate hain?

(A) leguminosae

(B) solanaceae

(C) liliaceae

(D) poaceae

Topic 9: Samanya Jankari aur Khoj

151. sukshmjaiviki (Microbiology) ke janak kaun hain? [2021A]

(A) watson

(B) koch

(C) hales

(D) louis pasteur

152. rabis ke teeka ki khoj sarvapratham kisne ki thi?

(A) jenner

(B) koch

(C) pasteur

(D) miller

153. vishanu sankramit koshika dwara kaun-sa protein sravit hota hai? [2019A]

(A) histamine

(B) interferon

(C) interleukins

(D) colostrum

154. vidal parikshan ki khoj kisne ki?

(A) george vidal

(B) fernand vidal

(C) robert koch

(D) louis pasteur

155. penicillin ki khoj kiske dwara hui? [2019A]

(A) fleming

(B) pasteur

(C) jenner

(D) koch

156. plant breeding ka prayog kiske liye kiya jata hai? [2026]

(A) disease resistance

(B) improved quality

(C) increased yield

(D) all of these

157. manjan ki vishaktata kiske karan hoti hai? [2023A]

(A) rhodondrin

(B) anthotoxin

(C) andromedotoxin

(D) cannabinoids

158. chikitsiya jaanch (Diagnostic test) jo ELISA hai, mein prayukt hota hai? [2023A]

(A) polymerase

(B) peroxidase

(C) ligase

(D) endonuclease

159. sickle cell anemia hai—

(A) jivanu rog

(B) anuvanshik rog

(C) viral rog

(D) koi nahi

160. abhikarmak jo ELISA parikshan mein upyukt hota hai? [2023A]

(A) polymerase

(B) peroxidase

(C) ligase

(D) endonuclease

Bihar Board Class 12th के (Biology/जीवविज्ञान ) = जीवविज्ञान ‘भाग-1 (Englsih Medium) Book Chapter- 8 Human Health and Disease के Exam 2027 MCQs Questions Answer Key

प्रश्न संख्याउत्तरप्रश्न संख्याउत्तरप्रश्न संख्याउत्तरप्रश्न संख्याउत्तर
1(B)41(C)81(C)121(A)
2(B)42(B)82(D)122(A)
3(B)43(D)83(B)123(B)
4(A)44(B)84(B)124(A)
5(B)45(B)85(D)125(A)
6(B)46(B)86(B)126(A)
7(C)47(C)87(A)127(D)
8(B)48(A)88(B)128(A)
9(D)49(B)89(A)129(A)
10(D)50(C)90(C)130(C)
11(A)51(A)91(A)131(A)
12(B)52(A)92(B)132(B)
13(A)53(B)93(A)133(C)
14(A)54(D)94(2)134(B)
15(A)55(C)95(A)135(A)
16(A)56(A)96(C)136(B)
17(B)57(B)97(C)137(D)
18(B)58(B)98(B)138(A)
19(A)59(A)99(C)139(A)
20(B)60(A)100(A)140(A)
21(C)61(A)101(B)141(C)
22(B)62(B)102(B)142(D)
23(A)63(C)103(D)143(A)
24(A)64(B)104(B)144(A)
25(C)65(B)105(C)145(A)
26(A)66(C)106(B)146(A)
27(C)67(D)107(C)147(A)
28(C)68(A)108(A)148(A)
29(D)69(C)109(B)149(A)
30(A)70(D)110(A)150(A)
31(C)71(B)111(B)151(D)
32(G)72(C)112(A)152(C)
33(B)73(A)113(A)153(B)
34(A)74(A)114(A)154(B)
35(C)75(B)115(D)155(A)
36(C)76(B)116(D)156(D)
37(A)77(A)117(A)157(C)
38(B)78(A)118(A)158(B)
39(B)79(C)119(B)159(B)
40(C)80(A)120(A)160(B)

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