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Biology

Infectious Diseases Immunity

Solution for Class 12, Biology, Infectious Diseases Immunity

Question 1

â€¦â€¦ is an antivirul substance produced by animals in response to viral infectiona. Antigen b. Repressor protien c. Antivirin d. Interferon

Topic:

Infectious Diseases & Immunity

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Question 2

31st May is celebrated as: a. AIDS Day b. Health Day c. No Tobacco Day d. Labour Day

Topic:

Infectious Diseases & Immunity

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Question 3

(a) A drug addict was admitted to a centre for treatment. What is the term used for such a treatment?
(b) What are withdrawl symptoms? How such patients are chemically treated ?

Topic:

Infectious Diseases & Immunity

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Question 4

A bacterial disease produced by droplet infection isa. Cholera b. Bacterial diarrhoea c. Leprosy d. Tuberculosis

Topic:

Infectious Diseases & Immunity

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Question 5

A benign tumor differs from malignant one is thata. A benign tumour shows metastasis ansd spreads in the body b. it passes onto the neighbouring organ to produce acute pain c. it is enveloped within a capsule d. all of the above

Topic:

Infectious Diseases & Immunity

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Question 6

A cancer causing agent is known as:a. sarcoma b. carcinoma c. carcinogen d. metastasis

Topic:

Infectious Diseases & Immunity

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Question 7

A compound formed in an organism for inhibiting growth of another organism is a. Antigen b. Antibody c. Antibiotic d. Antiallergin

Topic:

Infectious Diseases & Immunity

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Question 8

A presciption letter rads the following treatment advise-Metronidazole, Tinidazole, Emetine. Which amongst the following diseases is it dealing with ?a. Dengue b. Malaria c. Amoebiasis d. Pneumonia

Topic:

Infectious Diseases & Immunity

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Question 9

A water borne disease isa. Small pox b. Tuberculosis c. Malaria d. Cholera

Topic:

Infectious Diseases & Immunity

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Question 10

(a) Why do the symptoms of malaria not appear immediately after the entry of sporozoites into the human body when bitten by female Anopheles? Explain (b) Give the scientific name of the malarial parasite that causes malignant malaria in humans.

Topic:

Infectious Diseases & Immunity

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Question 11

A young drug addict used to show symptoms of depressed brain activity, feeling of calmness, relaxation and drowsiness. Possibly he was taking:a. (a) Amphetamine b. (b) Marijuana c. (c) Hashish d. (d) Valium

Topic:

Infectious Diseases & Immunity

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Question 12

Ability of the body to fight against the disease causing organism is called?a. Vulnerability b. Susceptibility c. Irritability d. Immunity

Topic:

Infectious Diseases & Immunity

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Question 13

Aedes spreadsa. Malaria b. Dengue c. Sleeping sickness d. Kala-azar

Topic:

Infectious Diseases & Immunity

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Question 14

AIDS does not spreada. By sexual intercourse b. By hand shake c. Through food d. From mother to baby

Topic:

Infectious Diseases & Immunity

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Question 15

AIDS is a. Acquired immunodisorder syndrome b. Human T-cell leukemia virus c. Acquired immunodeficiency system d. Acquired immunodeficiency syndrome

Topic:

Infectious Diseases & Immunity

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Question 16

AIDS is characterised by reduction in:a. Helper T-cells b. Killer T-cells c. Suppressor T-cells d. B-lympliocytes

Topic:

Infectious Diseases & Immunity

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Question 17

AIDS is due to:a. autoimmunity b. lack of interferons c. destruction of killer T-cells d. destruction of helper T-cells

Topic:

Infectious Diseases & Immunity

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Question 18

AIDS victim was first reported in a. 1987 b. 1981 c. 1990 d. 1980

Topic:

Infectious Diseases & Immunity

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Question 19

AIDS virus has a. single stranded DNA b. single stranded RNA c. double stranded dNA d. double stranded RNA

Topic:

Infectious Diseases & Immunity

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Question 20

Alcohol addiction is harmful because it causes:a. Deposition of fats in liver b. Deposition of proteins in liver c. Cancer growth d. Rise in biood sugar level

Topic:

Infectious Diseases & Immunity

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Solution for Class 12, Biology, Infectious Diseases Immunity

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