CBSE Questions for Class 12 Medical Biology Human Health And Disease Quiz 7 - MCQExams.com

The disease which begins abruptly and lasts only for a short duration is known as
  • Chronic disease
  • Acute disease
  • Genetic disease
  • Haemophilia
Which of the following statements is correct?
  • Flatworms are coelomates.
  • Roundworms are pseudocoelomates.
  • Molluscs are acoelomates.
  • Insects are pseudocoelomates.
Roundworm belongs to 
  • Platyhelminthes
  • Annelida
  • Nemathelminthes
  • Coelenterata
Which of the following option is a CORRECT characteristic of cancer?
  • Can not be spread from a sick person to a healthy person
  • Can be spread from a sick person to a healthy person
  • Rate of cell division decreases
  • Cancer is caused by hormonal imbalance
Ringworm is caused by ..............
  • Bacteria
  • Fungus
  • Virus
  • Plasmodium
Which of the following are characteristics of phylum Nemathelminthes?
a) Their body is diploblastic 
b) They are mostly parasite. 
c) Their body shows radial symmetry.
d) They body is cylindrical.   
  • a, b
  • b, c
  • c, d
  • b, d
Which among the following is an example of an animal belonging to the phylum Nemathelminthes?
  • Ascaris
  • Pinworm
  • Hookworm
  • All of the above
Nicotine is present in 
  • Betel leaf
  • Palm leaf
  • Plantain leaf
  • Tobacco leaf
An insect bite may result in inflammation of that spot. This is triggered by the alarm chemicals, such as
  • Histamine and dopamine
  • Histamine and kinin
  • Interferon and opsonin
  • Interferon and histones
Adult Wuchereria bancrofti attacks 
  • Kidney
  • Heart
  • Nervous system
  • Lymph vessel
Which among the following disease is caused by Ascaris worms?
  • Filariasis
  • Ascariasis
  • Itching
  • None of the above
Nicotine present in cigarettes and beedis stimulate the
  • Respiratory system
  • Productive system
  • Nervous system
  • Blood circulatory system
What is health?
  • State of mental well being of the body.
  • State of microbial well being of the body.
  • State of physical well being of the body.
  • Both A and C.
Hepatitis A can be prevented by
  • Hepatitis A vaccine
  • Washing hands properly
  • Properly cooked food
  • All of the above
Elephantiasis is caused by:
  • Circular worms
  • Pinworms
  • Filarial worms
  • Flatworms
Which among the following organism is unisexual?
  • Roundworm
  • Polychaetes
  • Leech
  • Earthworm
Antigen is a substance, which 
  • Lowers the body temperature
  • Destroys harmful bacteria
  • Triggers the immune system
  • Is used as an antidote to poison
Hepatitis A usually spread by
  • Eating contaminated food
  • Contaminated water
  • Half cooked food
  • All of the above
A disease-free person may not be a _______ person.
  • Healthy
  • Unhealthy
  • Weak
  • Unstable
All the animals of phylum Platyhelminthes and Nematoda are parasites.
  • True
  • False
Give the correct hierarchial classification of roundworms. 
  • Kingdom - Animalia

    Phylum - Annelida
  • Kingdom - Animalia

    Phylum - Platyhelminthes
  • Kingdom - Animalia

    Phylum - Nematoda
  • Kingdom - Animalia

    Phylum - Arthropoda
Select the correct correlation:
  • Platyhelminthes : Flatworm : : Nematoda : Roundworm.
  • Platyhelminthes : Roundworm : : Nematoda : Flatworm.
  • Arthropoda : Flatworm : : Nematoda : Roundworm.
  • All of the above.
Skin infections are developed because of _________
  • Fungi
  • Bacteria
  • Virus
  • None of these
What is immunization?
  • Provide immunity against fever
  • Provide immunity against contagious disease
  • Provide immunity to an infectious disease
  • None of the above
Immunization is provided by
  • Immune bodies
  • Vaccines
  • Medicines
  • Antibiotics
Infectious diseases are caused by _______.
  • Animals
  • Birds
  • Micro-organisms
  • All of the above
Which of the following is an acute disease?
  • Diabetes
  • Cancer
  • Alzheimer's disease
  • Common cold
________ disease lasts for short duration of time.
  • Acute
  • Chronic
  • Both A and B
  • Minor
Multi cellular organisms such as worms cause which disease.
  • Measles
  • Elephantiasis
  • Typhoid
  • Hepatitis
Which people are at risk of getting a particular disease ?
  • Who never had vaccine
  • Who didn't receive all doses of vaccine
  • Who travel to disease prevalent areas
  • All of the above
Vaccines are _______
  • Always harmful
  • Always useful
  • It is useful or harmful it depends on the type of administration of vaccines
  • All of the above
Chronic diseases are said to stay for ....... duration.
  • Short
  • Long
  • Fortnight
  • Few days
The disease caused by roundworm Ascaris is transmitted through 
  • Contaminated food
  • Contaminated water
  • Both A and B
  • Sneezing
A healthy person is said to be healthy when he is ___________ healthy.
  • Physically
  • Mentally
  • Socially
  • All of the above
A person is said to be healthy only when he is free from disease.
  • True
  • False
  • Ambiguous
  • Data insufficient
What is the main difference between communicable and non-communicable diseases?
  • Non-communicable diseases can be treated whereas, communicable diseases cannot be treated.
  • Communicable diseases can spread to others whereas, non-communicable diseases cannot.
  • Communicable diseases can be treated whereas, non-communicable diseases cannot be treated.
  • Non-communicable diseases can spread to others whereas, communicable diseases cannot.
............ is responsible for a response to any foreign body entering a human.
  • Immunity
  • Vaccination
  • Support
  • Immunisation
Vaccines are used for
  • Plants only
  • Animals only
  • Both A and B
  • None of these
Which of the following elements are improved by immunization?
  • T-cells
  • B-cells
  • Antibodies
  • All of the above
Who among the following is considered to be healthy person.
  • Alcoholic
  • Drug addict
  • Person with typhoid
  • None of the above
AIDS virus contains
  • RNA with protein
  • DNA with protein
  • DNA without protein
  • DNA only
Cancer is ____________ disease.
  • Acute
  • Chronic
  • Infectious
  • None of the above
Genetic material found in human Immunodeficiency virus (HIV) is
  • Double stranded RNA
  • Single stranded RNA
  • Double stranded DNA
  • Single stranded DNA
Name the disease which is caused by fungus.
  • Cancer
  • Parkinsons
  • Typhoid
  • Ergot
One of the following hepatitis is not transmitted parenterally.
  • Hepatisis-B
  • Hepatisis-C
  • Hepatisis-D
  • Hepatisis-A
Identify the nematodes which have various shapes of amphids but without phasmids.
  • Trichinella and Greeffiella
  • Enterobius and Ancylostoma
  • Meath and Ancylostoma
  • Wunchereria and Ascaris
_________ is prepared by killing the microorganisms.
  • Antibiotics
  • Antibody
  • Vaccine
  • Drug
Patients with Taenia saginata infection show more symptoms than Teania solium because
  • Both Taenia saginata and Taenia solium are similar in size.
  • Taenia saginata tapeworm is smaller in size.
  • Taenia solium tapeworm is larger in size.
  • Taenia saginata tapeworm is larger in size.
Antigens in the body are produced by
  • B cell
  • Fibrinogen
  • Pathogen
  • Phagocyte
  • T cell
Which of the following provides non-specific immunity?
  • B cell
  • Fibrinogen
  • Pathogen
  • Phagocyte
  • T- cell
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