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Subject :NSO    Class : Class 5

Select the group of diseases that spread by the same means or have the same cause.

A Goitre, Anaemia, Scurvy
B Dengue, Malaria, Night blindness
C Cholera, Typhoid, Allergy
D Beri-Beri, Malaria, Pellagra


please explain

Ans 1:

Class : Class 8
option a is correct because they all are source of vitamins c and we got goitre with the deficcency of seaweed and salt,scurvy with the deficcensy of fruit and vegetables which are sour like orange and lime, and aneamia is caused due to defficensy of iron which is in rasberries

Ans 2:

Class : Class 5
c is the answer. cholera,typhoid,allergy are comminucable diseases

Ans 3:

Class : Class 8
C should be the correct answer.....

Ans 4:

Class : Class 6
A

Ans 5:

Class : Class 5
No A is the correct answer

Ans 6:

Class : Class 6
Option C is correct

Ans 7:

Class : Class 4
A is the accurate answer as goitre, anaemia and scurvy are diseases caused by deficiency of some vitamins and minerals and are also non-communicable disease.

Ans 8:

Class : Class 8

Ans 9:

Class : Class 8
They may not be communicable ( diseases in options a ) or caused by same substance, but they all are caused due to the deficiency of vitamins.

Ans 10:

Class : Class 7
I think that option C is the correct answer , as Goitre is caused due to Iodine deficiency but Scurvy is caused due to deficiency of Vitamin C . Even if they are all non-communicable diseases , they are not caused due to the same substance .

Ans 11:

Class : Class 7

Ans 12:

Class : Class 6
I think a is correct .

Ans 13:

Class : Class 5
I think a is correct

Ans 14:

Class : Class 6

Ans 15:

Class : Class 9
The correct answer is A

Ans 16:

Class : Class 9
Shouldn't both A and C be correct ;]

Ans 17:

Class : Class 8
A

Ans 18:

Class : Class 7
C

Ans 19:

Class : Class 9
Namratha ... Allergy is not communicable (and is neither a disease)

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