Human Health and Diseases MCQs Type Questions with Answer for ISC Class 12 Biology. These MCQs / Objective Type Questions is based on latest reduced syllabus according 2021-22 session on bifurcated pattern. Main motto of MCQ Type Question is cracking the next upcoming Sem-2 exam of council. Visit official website CISCE for detail information about ISC Class-12 Biology.
ISC Class 12 Biology Human Health and Diseases MCQs Type Questions with Answer
| Board | ISC |
| Class | 12th (XII) |
| Subject | Biology |
| Chapter | Human Health and Diseases |
| Syllabus | on bifurcated syllabus (after reduction) |
| Session | 2021-22 |
| Bifurcated | Sem-2 |
| Topic | MCQs / Objective Type Question |
ISC Human Health and Diseases MCQs Questions with Answers for Class-12 Biology
Question 1: Short-lived immunity acquired from mother to foef’s across placenta or through mother’s milk to the infant is categorised as
(a) Active immunity
(b) Passive immunity
(c) Cellular immunity
(d) Innate non-specific immunity
Answer : (b) Passive immunity
Question 2: HIV mainly infects
(a) Cytotoxic T-lymphocytes
(b) Helper lymphocytes
(c) Cell-mediated T-lymphocytes
(d) Killer lymphocytes
Answer : (b) Helper lymphocytes
Question 3: The toxic substance, ‘haemozoin’, related to the high fever and chill, is released during which of the following disease?
(a) Dengue
(b) Malaria
(c) Diphtheria
(d) Phenumonia
Answer : (b) Malaria
Question 4: Heroin is commonly called as
(a) coke
(b) crack
(c) smack
(d) charas.
Answer: (c) smack
Question 5: Which compound is formed by acetylation of morphine ?
(a) Heroin
(b) Cocaine
(C) Tobacco.
(d) Marijuana
Answer: (a) Heroin
Question 6: Marijuana is extracted from .
(a) dried leaves and flowers of hemp plant .
(b) ergot fungus
(c) roots of hemp plant
(d) cocoa plant.
Answer: (a) dried leaves and flowers of hemp plant .
Question 7: The pathogens of genera, Microsporum, Trichophyton and Epidermorphyton are responsible for
(a) botulism
(b) conjunctivitis
(c) ringworms
(d) skin allergy
Answer : (c) ringworms
Question 8: Identify the site where Wuchereria bancrofti is normally found on human body.
(a) Lymphatic vessels of the lower limbs
(b) Muscles of the legs
(c) Blood vessels of the thigh region
(d) Skin between the fingers
Answer : (a) Lymphatic vessels of the lower limbs
Question 9: Cocaine is commonly called as
(a) smack
(b) coke
(c) crack
(d) both(b)&(c)
Answer: (d) both(b)&(c)
Question 10: _______ is a CNS stimulant as it interferes with the trasport of the neuro-transmitter __________ .
(a) Cocaine, acetylcoline
(b) Barbituarate, glutamate
(c) Cocaine, dopamine
(d) Barbiturate, glycine
Answer: (c) Cocaine, dopamine
Question 11: 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)
Answer: (d) Both (b) and (c)
Question 12: Hepatitis B vaccine is produced from
(a) inactivated viruses
(b) yeast
(c) Haemophilus influenzae
(d) Salmonella typhimurium.
Answer: (b) yeast
Question 13: Cancer cells do not exhibit the property of
(a) generating tumors
(b) metastasis
(c) contact inhibition
(d) less number of mitochondrial cristae.
Answer: (c) contact inhibition
Question 14: A person suffering from leukaemia has
(a) tumors in adipose tissue
(b) increased number of plasma cells
(c) increased number of melanocytes
(d) increased number of WBCs.
Answer: (d) increased number of WBCs
Question 15: Use of vaccines and immunisation programmes have controlled which of the following infectious diseases ?
(a) Polio and tetanus
(b) Diphtheria and pheumonia
(c) Cancer and AIDS
(d) Both (a) and (b)
Answer: (d) Both (a) and (b)
Question 16: The drugs used to quickly reduce the symptoms of allergy are
(a) ati-histamine and adrenaline
(b) histamine and thyroxine
(c) adrenaline and a-interferon
(d) all of these
Answer: (a) ati-histamine and adrenaline
Question 17: An auto-immune disease is
(a) SCID
(b) rheumatoid arthritis
(c) myasthenia gravis
(d) both (b) and (c).
Answer: (d) both (b) and (c).
Question 18: A chemical carcinogen present in tobacco smoke is responsible for
(a) skin cancer
(b) pancreatic cancer
(c) stomach cancer
(d) lung cancer.
Answer: (d) lung cancer.
Question 19: Which out of the following groups represent auto-immune disorders ?
(a) SCID and diphtheria
(b) Diabetes mellitus (type 1) and rheumatic fever
(c) AIDS and cholera
(d) Hepatitis and leukaemia
Answer: (b) Diabetes mellitus (type 1) and rheumatic fever
Question 20: The primary lymphoid organs are
(a) spleen and thymus
(b) bone marrow and thymus
(c) bone marrow and lymph node
(d) thymus and MALT.
Answer: (d) thymus and MALT.
Question 21: Which of the following is a communicable disease?
(a) Malaria
(b) Diabetes
(c) Hypertension
(d) Kwashiorkar
Answer : (a) Malaria
Question 22: Common cold is caused by:
(a) Retro virus
(b) Phage virus
(c) Rhino virus
(d) Sendai virus
Answer : (c) Rhino virus
Question 23: The site where lymphocytes interact with antigens and proliferate to become effector cells are
(a) spleen and lymph nodes
(b) bone marrow and thymus
(c) Peyer’s patches and tonsils
(d) both (a) and (c).
Answer: (d) both (a) and (c).
Question 24: Whihc of the following plants possess hallucinogenic properties ?
(a) Erythroxylon coca
(b) Atropa belladona
(c) Datura stramonium
(d) All of these
Answer: (d) All of these
Question 25: Which drug is being excessively taken by some sports persons nowadays ?
(a) Opioids
(b) Barbiturates
(c) Cannabinoids
(d) Lysergic acid diethly amides (LSD)
Answer: (c) Cannabinoids
Question 26: Which of these glands is large at the time of birth but in adults, it reduces to a very small size ?
(a) Thyroid
(b) Adrenal
(c) Thymus
(d) Spleen
Answer: (c) Thymus
Question 27: AIDS is widely diagnosed by
(a) Widal test
(b) ELISA
(c) PC
(d) Chromatography.
Answer: (b) ELISA
Question 28: Which of the following day is celebrated as ‘World AIDS Day’ ?
(a) 31st March
(b) 1st March
(c) 1st December
(d) 31st December
Answer: (c) 1st December
Question 29: Charas and ganja are the drugs which affect
(a) respiratory system
(b) cardiovascular system
(c) digestive system
(d) nervous system.
Answer: (b) cardiovascular system
Question 30: Cocaine is obtained from
(a) Erythroxylon coca
(b) Papaver somniferum
(c) Atropa belladona
(d) Dature stramonium
Answer: (a) Erythroxylon coca
Question 31: A metastatic cancerous tumour is termed ‘sarcoma’ if the disorder is in
(a) fibroblasts
(b) circulatory system
(c) immune system
(d) epithelial cells.
Answer: (a) fibroblasts
Question 32: Major factors that cause cancer are
(a) oncogenes and polymorphonuclear leucocytes
(b) oncogenes and tumour suppressor genes
(c) MHC genes
(d) cellular oncogenes and a-interferons.
Answer: (b) oncogenes and tumour suppressor genes
Question 33: Which of the following approaches are used for the treatment of cancer ?
(a) Immunotherapy
(b) Surgery
(c) Radiotherapy & chemotherapy
(d) All of these
Answer: (d) All of these
Question 34: The most abundant antibody produced against allergens is
(a) IgE
(b) IgA
(c) IgG
(d) IgM.
Answer: (a) IgE
Question 35: Which of the following cells actively participate during allergy ?
(a) B-lymphocytes
(b) Liver cells
(c) Mast cells
(d) Red blood cells
Answer: (c) Mast cells
Question 36: The substance given to cancer patients in order to activate their immune system and destroy the tumour is
(a) histamine
(b) interleukin
(c) a-interferon
(d) morphine.
Answer: (c) a-interferon
Question 37: In humans, receptors for opioids are present in
(a) central nervous system
(b) gastrointestinal tract
(c) respiratory tract
(d) both (a) and (b)
Answer: (d) both (a) and (b)
Question 38: The pathogen Microsporum responsible for ringworm disease in humans belongs to the same kingdom as that of
(a) Taenia, a tapeworm
(b) Ascaris, a roundworm
(c) Rhizopus, a mould
(d) Wuchereria, a filarial worm,
Answer: (c) Rhizopus, a mould
Question 39: Appearance of dry, scaly lesions with itching on various parts of the body are the symptoms of _______.
(a) elephantiasis
(b) ringworm
(c) ascariasis
(d) amoebiasis
Answer: (b) ringworm
Question 40: Which of the following disease is confirmed by ‘widal test’?
(a) Tuberculosis
(b) Typhoid
(c) Plague
(d) Tetanus
Answer : (b) Typhoid
Question 41: Malignant malaria is caused by the which of the following species of Plasmodium ?
(a) vivax
(b) malariae
(d) ovale
(d) falciparum
Answer : (d) falciparum
Question 42: Food poisoning is caused by
(a) Entamoeba histolytica
(b) Escherichia coli
(c) Clostridium botulinum
(d) Corynebacterium diphtheriae
Answer : (c) Clostridium botulinum
Question 43: Amoebiasis is caused by
(a) Plasmodium vivax
(b) Entamoeba gingivalis
(c) Trypanosoma gambiense
(d) Entamoeba histolytica
Answer : (d) Entamoeba histolytica
Question 44: Vector for kala azar is:
(a) sandfly
(b) bedbug
(c) louse
(d) housefly
Answer : (a) sandfly
Question 45: Which of the following set includes bacterial diseases ?
(a) Tetanus, typhoid, tuberculosis
(b) Small pox, influenza, tetanus
(c) Meningitis, measles, syphilis
(d) None of the above.
Answer : (a) Tetanus, typhoid, tuberculosis
Question 46: 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 47: 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 48: Disease associated with secretion of toxin is:
(a) TB
(b) AIDS
(c) Tetanus
(d) Food Poisoning
Answer : (c) Tetanus
Question 49: Pain-killer drugs:
(a) Makes Tissue
(b) Relieve from pain
(c) Relieve from tired
(d) Pain creater
Answer : (c) Relieve from tired
Question 50: AIDS caused by:
(a) By fungus
(b) By Virus
(c) By Bacteria
(d) By Helminthes
Answer : (b) By Virus
–: End of Human Health and Diseases MCQs Type Questions :–
-: also visit :-
- ISC Sem-2 Question Bank Class-12
- Sem-2 ISC Specimen Paper for Class-12
- ISC Class-12 Textbook Solutions ,Syllabus, Solved Paper
- Previous Year Question Paper for ISC Class-12
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