CBSE Questions for Class 12 Medical Biology Human Health And Disease Quiz 13 - MCQExams.com

From which of the given plants is the drug whose skeletal structure given is extracted ?
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  • Papaver somniferum
  • Atropa belladonna
  • Cannabis sativa
  • Erythroxylum coca
Given below is a pedigree chart showing the inheritance of a certain diseases :
Identify the type of the disease.
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  • dominant X-linked
  • Autosomal dominant
  • dominant Y-linked
  • Autosomal recessive
Identify the incorrect match for discovery of following vaccines:
  • Injectable Polio vaccine : Jonas Salk
  • Vaccine against Small box : Edward Jenner
  • Rabies vaccine : Rober Koch
  • Yellow Fever Vaccine : M. Theiler
Identify the incorrect match for autoimmune disease and target organ or tissue:
  • Rheumatoid arthritis (RA) - Joints
  • Graves Disease - Heart cells
  • Addison's disease - adrenal cortex
  • Systemic Lupus erythematosus - Kidney, Brain
Identify the given diagram and its effect?
1631152_8f22e88ef10346c0bf7927f6eda88b3c.PNG
  • Cannabinoid - Effects cardiovascular function
  • Morphine - CNS depressant
  • Cocaine - Euphoria
  • Smack - Psychedelic effect
Vectors can be defined as;
  • Animals that carry the infecting agents from an infected individual to another healthy individual.
  • Microorganisms which cause many diseases
  • Infected person
  • Diseased plant
The disease which last only for a short period of time is called a chronic disease.
  • True
  • False
Chronic diseases have long-lasting drastic effects on people's health as compared to acute diseases.
  • True
  • False
Which one of the following is not important for individual health?
  • Living in clean space
  • Good economic condition
  • Social equality and harmony
  • Living in a large and well-furnished house
Social equality and harmony are necessary for individual health.
  • True
  • False
Viruses, which cause hepatitis, are transmitted through:
  • Air
  • Water
  • Food
  • Personal contact
Which of the following is molecular disease
  • Allergy
  • Cancer
  • German measeles
  • Sickel - cell - anaemia
Vector can be defined as :
  • Animals carry the infecting agents from sick person to another healthy person
  • Micro-organisms which cause many disease
  • Infected person
  • Diseased plants
Which of these is an acute disease?
  • Common cold
  • Elephaniasis
  • AIDS
  • Jaundice
The public health programme of childhood immunisation for preventing infectious diseases include
  • antibiotics
  • Vaccines
  • Medicines
  • Blood transfusion
Uncontrollable cell division causes:
  • AIDS
  • Cancer
  • Typhoid
  • Cough-cold
Tobacco consumption is known to stimulate secretion of adrenaline and nor-adrenaline. The component causing this could be:
  • Nicotine
  • Tannic acid
  • Curaimin
  • Catechin
Which addictive substance is present in tobacco? 
  • Caffeine
  • Nicotine
  • Alcohol
  • Opiate
The genes causing cancer are:
  • Structural genes
  • Expressor genes
  • Oncogenes
  • Regulatory genes
One of the following is not the causal organism for ringworm
  • Microsporum
  • Trichophyton
  • Epidermophyton
  • Macrosporum
The term 'Health' is defined in many ways. The most accurate definition of health would be:
  • Health is the state of body and mind in a balanced condition.
  • Health is the reflection of a smiling face. 
  • Health is a state of complete physical, mental and social well-being.
  • Health is the symbol of economic prosperity. 
In some animals, the body cavity is not completely lined by mesoderm instead, the mesoderm is present as scattered pouches in between the ectoderm and endoderm. Such animals are called:
  • Acoelomate
  • Pseudocoelomate
  • Coelomate
  • Schizocoelomate
The germ causing Hepatitis is transmitted through:
  • The bite of a mosquito.
  • Contamination of food by a housefly.
  • Personal contact with a patient.
  • Contaminated water.
Infectious diseases can be prevented by:
  • Medicines
  • Proper food
  • Vaccination
  • Exercise
A person who is disease free is always healthy.
Is the above statement true or false?
  • True
  • False
Social equality is essential for health.
Is the above statement true or false?
  • True
  • False
Disease-free state is a state a physical, social and mental well being.
Is the above statement true or false?
  • True
  • False
Health depends on which of the following factor?
  • Physical
  • Social
  • Mental
  • All of the above
Antigen is ________.
  • Sugar
  • Aromatic
  • Nucleic acid
  • Protein
Match column I with column II.
Column IColumn II
a) Epidermophytoni)Amoebiasis
b)Entamoeba histolyticaii)Pneumonia
c)Haemophilus influenzaeiii)Filariasis
d)Wuchereria malayaiv) Tinea corporis

  • a-iv, b-i, c-ii, d-iii
  • a-i, b-ii, c-iii, d-iv
  • a-ii, b-i, c-iii, d-iv
  • a-iii, b-ii, c-iv, d-i
Health depends on
  • Cleanliness
  • Social equality
  • Work and money
  • All of these
Which of the following depends on not only the individual but also on the community?
  • Health
  • Disease
  • Both A and B
  • None of these
The health of an organism depends upon the surrounding environmental conditions. This statement is _____.
  • True
  • False
  • Data insufficient
  • Ambiguous
Health is defined as ___________.
  • State of complete physical, mental and social well being
  • Absence of disease or infirmity
  • Losing of body weight
  • Increase in body weight
Mosquitoes and ticks are examples of organisms that can spread disease. These types of organisms are referred to as?
  • Vectors
  • Pathogens
  • Both A and B
  • Carrier
Which one of the following is not important for individual health?
  • Living in unclean places
  • Bad economic conditions
  • Living in a large and well-furnished house
  • All of the above
In Ascaris, 3$$^{rd}$$ moulting takes place in
  • Intestine
  • Lung
  • Liver
  • Egg
Which of the following cell is affected by HIV virus in AIDS patient?
  • CytotoxicT-cell
  • M-N cell
  • Suppressor cells
  • Helper T-cells
The most commonly used marker enzyme in clinical diagnosis of prostate cancer is
  • Amylase
  • Alkaline phosphatase
  • GTPase
  • Acid phosphatase
Ascaris has three lips
  • One median dorsal and two ventrolateral
  • All dorsal
  • Two lateral and one ventral
  • Two dorso-lateral and one median ventral
Passive immunization was first developed by
  • Robert Koch
  • L. Pasteur
  • Robert Hooke
  • Emil von Behring and Kitasato
Cysticerci in pig muscles can remain viable upto
  • One year
  • Six months
  • Six years
  • One month
The anterior V-spot in microfilmed of Wuchereria represents 
  • Nerve ring
  • Cervical Papillae
  • Excretory system
  • Reproductive system
Choose the wrong statement.
  • HIV virus has RNA as its genetic material.
  • HIV virus replicates in TH lymphocytes.
  • Anti-retroviral drugs are only partially effective for AIDS treatment.
  • HIV spreads by sexual contact or sharing needle with the infected person and not by mere touch of physical contact.
  • The time-lag between the infection and appearance of AIDS symptom may vary from few hours to a week.
Drugs that cause malformation in embryo during pregnancy are called as
  • Tranquillizers
  • Teratogens
  • Alcoholic beverages
  • Nicotin
The chemical component of Valium is 
  • Benzodiazepin
  • Diaminocarboxylic acid
  • Ascorbic acid
  • All of the above
Chenopodium oil is most successfully used for the expulsion of 
  • Tape worm
  • Liver flukes
  • Flat worms
  • Round worms
Tay Sach's disease is caused by deficiency is
  • Hexosaminidase
  • Glucocerebrosidase
  • Galactocerebrosidase
  • Ceramidase
Opium, morphine, heroin, pethidine and methadone are collectively called 
  • Tranquillizers
  • Stimulants
  • Hallucinogens
  • Opiate narcotics
Assertion : Nematodes and tunicates show auxetic growth.

Reason : In these animals, growth occurs only by increases in size of cells and not number of cells.
  • Both Assertion and Reason are true and Reason is a correct explanation of Assertion
  • Both Assertion and Reason are true but Reason is not a correct explanation of Assertion
  • Assertion is true but Reason is false
  • Both Assertion and Reason are false
  • Assertion is false but reason is true.
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