Biology MCQs for Class 12 Chapter wise with Answers Download Free PDF: MCQs of biology class 12 Chapter 8 Human Health and Disease is very important for the students who want to get good marks in their CBSE RBSE NCERT Board Exams. Neet MCQ
MCQs of Biology Class 12 Chapter 8 Human Health and Disease with answers PDF Download
Question 1.
Pain-killer drugs:
(a) Makes Tissue
(b) Relieve from pain
(c) Relieve from tired
(d) Pain creater
Answer: (c) Relieve from tired
Question 2.
AIDS caused by:
(a) By fungus
(b) By Virus
(c) By Bacteria
(d) By Helminthes
Answer: (b) By Virus
Question 3.
Immune deficiency symdrome is caused by:
(a) Defected liver
(b) Defected thymus
(c) AIDS Virus
(d) Loss of Immune system
Answer: (c) AIDS Virus
Question 4.
Opium is:
(a) Hemp
(b) Charas
(c) Heroin
(d) Nicotin
Answer: (c) Heroin
Question 5.
AIDS occur by which cause?
(a) Reduction of T-Helper cells
(b) Reduction of Killer T-cells
(c) Auto immune
(d) Less production of interferon
Answer: (a) Reduction of T-Helper cells
Question 6.
Heroin is the form of :
(a) Aesthetic
(b) Hallucination
(c) Irritation
(d) All of the above
Answer: (b) Hallucination
Question 7.
Caffein, Amphetamine and coceins are:
(a) Pain Killer
(b) Tranquillizer
(c) Hallucination
(d) Stimulant
Answer: (d) Stimulant
Question 8.
Following is Hallucinator
(a) LSD
(b) Heroin
(c) Cocein
(d) Morphin
Answer: (a) LSD
Question 9.
World AIDS day is:
(a) 1 May
(b) 20 December
(c) 1 June
(d) 1 December
Answer: (d) 1 December
Question 10.
By the plant of which family Heroin is obtained?
(a) Leguminaceae
(b) Papa Veraceae
(c) Liliaece
(d) Solanaceae
Answer: (b) Papa Veraceae
Question 11.
Opiates are obtained from
(a) Thea sinesis
(b) Coffea Arabica
(c) Oryzasativa
(d) Papaver Seminiferum
Answer: (d) Papaver Seminiferum
Question 12.
PCR is test for:
(a) HIV
(b) Cancer
(c) Tuberculosis
(d) Cholera
Answer: (a) HIV
Question 13.
Following which is STD:
(a) Typhoid
(b) Cholera
(c) Malaria
(d) Syphilis
Answer: (d) Syphilis
Question 14.
Wuchereria bancrofti causes filaria in human being. It is of which group:
(a) Protozoa
(b) Bacteria
(c) Virus
(d) Helminth
Answer: (d) Helminth
Question 15.
Which organ of body is most affected by excessive intake of alcohol?
(a) Lungs
(b) Liver
(c) Stomach
(d) Spleen
Answer: (b) Liver
Question 16.
Common cold is caused by:
(a) Retro virus
(b) Phage virus
(c) Rhino virus
(d) Sendai virus
Answer: (c) Rhino virus
Question 17.
Which of the following is the cancer of blood?
(a) Sarcoma
(b) Lymphoms
(c) Leukemia
(d) None of these
Answer: (c) Leukemia
Question 18.
Gonorrhoea is caused by:
(a) By Treponema pallidium
(b) By Entamoeba gingivalis
(c) By Mycobacterium taprae
(d) By Neisseria gonorrhoeae
Answer: (d) By Neisseria gonorrhoeae
Question 19.
Antigen-binding site in an antibody, is found between:
(a) Two light chains
(b) Two heavy chains
(c) One heavy and one light chain
(d) Either between two light chains or between one heavy and one light chain
Answer: (d) Either between two light chains or between one heavy and one light chain
Question 20.
Alcohol is the most socially accepted narcotic drug. Excessive consumption of alcohol leads to:
(a) Loss of memory
(b) Live cirrhosis
(c) State of hellucination
(d) Suppresion of brain function
Answer: (b) Live cirrhosis
Question 21.
Disease associated with secretion of toxin is:
(a) TB
(b) AIDS
(c) Tetanus
(d) Food Poisoning
Answer: (c) Tetanus
Question 22.
Widal test is done to confirm:
(a) Malaria
(b) Typhoid
(c) AIDS
(d) Cancer
Answer: (b) Typhoid
Question 23.
Which part of poppy plant yields opium:
(a) Latex from unripe capsules
(b) Dried roots
(c) Dried leaves
(d) Dired seeds
Answer: (a) Latex from unripe capsules
Question 24.
Kala-azar is transmitted by:
(a) By Sand fly
(b) By Tsetse fly
(c) By House fly
(d) By Mosquitoes
Answer: (a) By Sand fly
Question 25.
Memory cells are formed from:
(a) Monocytes
(b) Eosinophils
(c) Neutrophils
(d) Lymphocytes
Answer: (d) Lymphocytes
Question 26.
BCG vaccine is a preventive measure against:
(a) Tuberculosis
(b) Typhoid
(c) AIDS
(d) Cholera
Answer: (a) Tuberculosis
Question 27.
Antigens are present:
(a) Inside nucleus
(b) One the cell surface
(c) Inside cytoplasm
(d) On nuclear membrane
Answer: (b) One the cell surface
Question 28.
The disease, tetanus also known as:
(a) Shingles
(b) Gangrene
(c) Lockjaw
(d) Whooping cough
Answer: (c) Lockjaw
Question 29.
Man in the life-cycle of plasmodium is:
(a) Primary host
(b) Secondary host
(c) Intemediate host
(d) None of these
Answer: (b) Secondary host
Question 30.
Allegens:
(a) Infectious and increase secretion of IgE antiboides
(b) Non-infectious and increase secretion of IgE antibodies
(c) Infectious and increase secretion of IgS antibodies
(d) Non-infectious and increase secretion of IgM antibodies
Answer: (b) Non-infectious and increase secretion of IgE antibodies
Question 31.
Both sickle cell anaemia and Huntington’s chores are:
(a) Bacerial diseases
(b) Congenital diseases
(c) Pollution related diseases
(d) Viral diseases
Answer: (b) Congenital diseases
Question 32.
In AIDS, which of these cells are most affected:
(a) B-cells
(b) T-cells
(c) Monocytes
(d) Neutrophils
Answer: (b) T-cells
Question 33.
Passive immunity can be obtained by injecting:
(a) Antibodies
(b) Antigens
(c) Antibiotics
(d) Vaccination
Answer: (a) Antibodies
Question 34.
Changa’s disease is caused by:
(a) Trypanosoma ganabiense
(b) Trypanosoma Cruzi
(c) Trypanosoma-rhodesiense
(d) Leishmania donovani
Answer: (b) Trypanosoma Cruzi
Question 35.
Which of the following disease effect the immune system directly?
(a) Cholera
(b) Tuberculosis
(c) Tetanus
(d) AIDS
Answer: (d) AIDS
Question 36.
Which of the following vaccines are injected at the age of 11/2, 21/2 and 31/2 months:
(a) DPT-Hib and Polio
(b) Polio and BCG
(c) BCG and DTP-Hib
(d) BCG and Hepatitis-B
Answer: (a) DPT-Hib and Polio
Question 37.
The drug which stimulates the nervous system and makes him more wakeful alert and active is called :
(a) Sedative
(b) Opiate narcotic
(c) Stimulant
(d) Hallucinogen
Answer: (c) Stimulant
Question 38.
Ascaris is most commonly found in:
(a) Men
(b) Women
(c) Children
(d) Both (a) and (b)
Answer: (c) Children
Question 39.
Kupffer cells are present in:
(a) Liver
(b) Small intestine
(c) Pancreas
(d) Thyroid
Answer: (a) Liver
Question 40.
Intermediate host of Schistosoma is:
(a) Snail
(b) Mosquito
(c) Housefly
(d) Sheep
Answer: (d) Sheep
Question 41.
A person showing unpredicatable moods, outbursts of emotion quarrelsome behaviour and conflicts with other is suffering from:
(a) Addictive disorders
(b) Schizophrenia
(c) Borderline personality disorder (BOD)
(d) Mood disorders
Answer: (c) Borderline personality disorder (BOD)
Question 42.
Current treatment for cancer does not include which of the following:
(a) Chemotherapy
(b) Radiaotherapy
(c) Surgery
(d) Physiotherapy
Answer: (d) Physiotherapy
Question 43.
Screening test of AIDS is:
(a) Western blot
(b) ALISA
(c) PCR
(d) Southern blot
Answer: (b) ALISA
Question 44.
The vactor of Break bone fever is:
(a) Anopheled
(b) Aedes
(c) Culex
(d) None of these
Answer: (c) Culex
Question 45.
An allergic reaction is intiated by antibodies of, group :
(a) IgG
(b) IgE
(c) IgM
(d) IgA
Answer: (b) IgE
Question 46.
In Malaria, the product released by mosquito into blood that causes chill and fever is called:
(a) Haematin
(b) Schuffher’s dots
(c) Haemozoin
(d) Haemotoxin
Answer: (b) Schuffher’s dots
Question 47.
HIV that causes AIDS, first starts destroying:
(a) Helper T-lymphocytes
(b) B-Lymphocytes
(c) Leucocytes
(d) Thrombocytes
Answer: (a) Helper T-lymphocytes
Question 48.
Morphine obtained from opium is:
(a) Latex
(b) Pome
(c) Alkaloid
(d) Tannin
Answer: (c) Alkaloid
