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Free Download as PDF of the detailed solutions for class 12 Biology from NCERT or CBSE text book as per exam pattern, to help you in day to day learning. We provide all important questions and answers from chapter Health and Diseases of Biology.
46
Goitre disorder is caused by deficiency of
[1]
Iron
[2]
Protein
[3]
Retinol
[4]
Iodine
47
Chargaff’s rule were formulated in
[1]
Aristotle
[2]
Hippocrates
[3]
Edward
[4]
Darwin
48
______ diseases are also called inborn diseases
[1]
Infected
[2]
Contagious
[3]
Acquired
[4]
Congenital
49
Scurvy disease is caused by the deficiency of vitamin
[1]
B complex
[2]
C
[3]
D
[4]
K
50
Which is correct about AIDS?
[1]
Drug addicts are least susceptible
[2]
Care and nutrition cure AIDS patients
[3]
Virus enters helper T-cells and reduces their number
[4]
It can spread through eating food together with infected person.
Answer: Virus enters helper T-cells and reduces their number
51
A sexually transmitted bacterial disease is
[1]
AIDS
[2]
Syphilis
[3]
Herpes
[4]
Hepatitis
52
A slate of complete physical mental and social well being is called
[1]
Disease
[2]
Health
[3]
Hygiene
[4]
Infirmity
53
Scurvy is developed due to the deficiency of
[1]
iodine
[2]
vitamin B
[3]
vitamin A
[4]
vitamin C
54
Kala-azar is caused by
[1]
Taenia solium
[2]
Trypanosoma gambiense
[3]
Leishmania donovani
[4]
Wuchereria bancrofti
Answer: Leishmania donovani
55
Which of the following diseases is non contagious but infectious?
[1]
leprosy
[2]
AIIDS
[3]
measles
[4]
mumps
56
Bone cancer belongs to the category of
[1]
Leukemia
[2]
Lymphoma
[3]
Sarcoma
[4]
Carcenoma
57
Sarcoma is cancer of (MANIPAL)
[1]
Bones
[2]
Adipose tissue
[3]
Connective tissue and muscular tissue
[4]
All of the above
58
Which one of the following diseases is a communicable?
[1]
rickets
[2]
amoebiasis
[3]
diabetes
[4]
cancer
59
Most of the tumours
[1]
Malignant
[2]
Benign
[3]
Related to carcinoma
[4]
Sample boils
60
Select the vital disease
[1]
Diabetes
[2]
Tetanus
[3]
Leprosy
[4]
Poliomyelitis
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