CBSE Class 12 Biology Human Health and Disease MCQs Set 06

Question. The substance produced by a cell in viral infection that can protect the other cells from further infection is:
(a) Interferon
(b) Colostru
(c) Serotonin
(d) Histamine

Answer: A

Question. The antibodies present in colostrum which protect the new born from certain diseases is of:
(a) IgG type
(b) IgD type
(c) IgA type
(d) IgE type.

Answer: C

Question. Which form of the pathogen is used in to formulate vaccine?
(a) Activated and strong pathogenic antigens
(b) Inactivated and weakened pathogenic antigens
(c) Hyperactive and strong pathogen
(d) Preformed antibodies

Answer: B

Question.‘Smack’ is a drug that is obtained from—–
(a) Latex of Papaver somniferum
(b) Leaves of Cannabis saliva
(c) Flowers of Datura
(d) Fruits of Erythroxylum coca.

Answer: A

Question. Which one of the following sets includes bacterial diseases?
(a) Tetanus, tuberculosis, measles
(b) Diphtheria, leprosy, plague
(c) Cholera, typhoid, mumps
(d) Malaria, mumps, poliomyelitis

Answer: B

Question. Anti-venom against the snake poison contains: –
(a) Antigens
(b) Antigen-antibody complexes
(c) Antibodies
(d) Enzymes

Answer: C

Question. Which of the following gland is large sized at birth but reduces in size with ageing?
(a) Pineal
(b) Pituitary
(c) Thymus
(d) Thyroid

Answer: C

Question. Infectious stage of malarial parasite to man is-
(a) Sporozoite
(b) Gametocyte
(c) Plasmozoite
(d) None

Answer: A

Question. This is a large bean shaped organ. It mainly contains lymphocytes and phagocytes. It acts as a filter of the blood by trapping blood-borne micro-organisms. It also has a large reservoir of erythrocytes:
(a) Kidney
(b) Gall bladder
(c) Spleen
(d) Lymph nodes

Answer: C

Question. ……… uses strong magnetic fields and non-ionizing radiations to accurately detect pathological and physiological changes in the living tissue.
(a) CT scan
(b) MRI scan
(c) X-ray
(d) Biopsy

Answer: B

Question. ……… are a group of chemicals, which interact with the receptors present principally in the brain.
(a) Opioids
(b) Cannabinoids
(c) Coca alkaloids
(d) Marijuana

Answer: B

Question. High fever, Constipation, Fatigue, Rashes, Dry cough, Stomach pain are the symptoms of:
(a) Cholera
(b) Tuberculosis
(c) Typhoid
(d) Malaria

Answer: C

Question. Proto oncogene means —————-:
(a) Virus that cause cancer
(b) Bacteria that cause cancer
(c) Certain cells that contains cancer causing genome under certain conditions
(d) Carcinogenic substances that seen around us

Answer: C

Question. The Symptoms of this disease includes Internal bleeding, Muscular pain, Fever, Anemia and Blockage of the intestinal passage: – —————
(a) Typhoid
(b) Cholera
(c) Malaria
(d) Ascariasis

Answer: D

Question. Different types of antibodies are produced in our body. IgA, IgM, IgE, IgG etc. These antibodies are found in the blood, this kind of immune response in our body is called ………
(a) Cell mediated immunity
(b) Humoral immunity
(c) Passive immunity
(d) Auto immunity

Answer: B

Question. The toxin haemozoin is produced by the malarial parasite is in:
(a) Human liver
(b) Human blood
(c) Salivary gland of mosquito
(d) Gut of mosquito

Answer: B

Question. Malarial parasite needs……… host to complete the life cycle:
(a) 5
(b) 4
(c) 2
(d) 1

Answer: C

Question. The diagnosis of cause of allergy is done by-:
(a) Inoculation of small doze of steroids
(b) Inoculation of small doze of substances that cause allergy
(c) Inoculation of small doze of adrenalin
(d) Inoculation of small doze of noradrenalin

Answer: B

Question. Recombinant DNA technology has allowed the production of antigenic polypeptides of pathogen in bacteria or yeast. Vaccines produced using this approach allow large scale production and hence greater availability for immunization. Most prominent r DNA vaccine is………
(a) Hepatitis vaccine from bacteria
(b) Hepatitis vaccine from yeast
(c) Hepatitis vaccine from bacteriophage
(d) Hepatitis vaccine from mouse

Answer: B

Question. These organs provide the sites for interaction of lymphocytes with the antigen, which then proliferate to become effector cells:
(a) Bone marrow
(b) Thymus gland
(c) Spleen and lymph node
(d) Heart and aorta

Answer: C

Question. Drugs like barbiturates, amphetamines, benzodiazepines, and other similar drugs, that are normally used as medicines for………
(a) Sedative and pain killer
(b) Diuretics
(c) Depression and insomnia
(d) Analgesics

Answer: C

Question. Habit of using ……… is associated with increased incidence of cancers of lung, urinary bladder and throat, bronchitis, emphysema, coronary heart disease, gastric ulcer, etc.
(a) Alcohol
(b) Smoking Tobacco
(c) Use of Opioids
(d) Use of Cannabinoids

Answer: B

Question. ……… means both ‘a period’ and ‘a process’ during which a child becomes mature in terms of his/her attitudes and beliefs for effective participation in society.
(a) Childhood
(b) Adolescence
(c) Youth
(d) None

Answer: B

Question. If you suspect major deficiency of antibodies in a person, to which of the following would you look for confirmatory evidences:
(a) Serum albumin
(b) Serum globulin
(c) Haemocytes
(d) Fibrinogen in plasma

Answer: B

Question. AIDS is caused by HIV. Among the following, which one is not a mode of transmission of HIV?
(a) Transfusion of contaminated blood.
(b) Sharing the infected needles.
(c) Shaking hands with infected persons.
(d) Sexual contact with infected persons.

Answer: C

Question. ……… is a CNS stimulant as it interferes with the transport of the neuro-transmitter ………
(a) Cocaine, acetylcholine
(b) Barbiturate, glutamate
(c) Cocaine, dopamine
(d) Barbiturate, glycine

Answer: C

Question. The substance given to the cancer patients in order to activate their immune system and to destroy the tumor is-
(a) Histamine
(b) Interleukin
(c) a-interferon
(d) Morphine.

Answer: C

Question. Wuchereria worm causes Filariasis in human being. It belongs to————–
(a) Protozoa
(b) Bacteria
(c) Virus
(d) Helminth

Answer: D

Question. Blood cancer is ————type of tumor
(a) Benign tumor
(b) Malignant tumor
(c) Both
(d) None

Answer: B

Question. The Human Baby receives Passive immunity from ………
(a) Placenta
(b) Colostrum
(c) Placenta and colostrum
(d) Stem cells

Answer: C