National Science Olympiad Forum By SOF Olympiad Trainer - Page 761

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 8

Ans 2:

Class : Class 7

Ans 3:

Class : Class 9
The correct answer is A

Ans 4:

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

Ans 5:

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 6:

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

Ans 7:

Class : Class 6
Option C is correct

Ans 8:

Class : Class 7
C

Ans 9:

Class : Class 5
I think a is correct

Ans 10:

Class : Class 8
A

Ans 11:

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

Ans 12:

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 13:

Class : Class 6

Ans 14:

Class : Class 6
I think a is correct .

Ans 15:

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 16:

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 17:

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

Ans 18:

Class : Class 5
No A is the correct answer

Ans 19:

Class : Class 6
A

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
its option B

Ans 2:

Class : Class 4

Ans 3:

Class : Class 9
the answer is b

Ans 4:

Class : Class 8
its b

Ans 5:

Class : Class 6

Ans 6:

Class : Class 3
so silly

Ans 7:

Class : Class 7
The answer is b

Ans 8:

Class : Class 5
how can we identify if we do not know how people dress should be given easy

Ans 9:

Class : Class 7
B) MGKW

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 10
Option C

Ans 2:

Class : Class 9
The correct answer is D

Ans 3:

Class : Class 9
Option A

Ans 4:

Class : Class 10
option A

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 3

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is C.

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 2
D

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 2
D because the others have protein in them

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 10
Answer: D Asthma (P) is a chronic disease characterised by inflammation in airways making it difficult to breathe. It is a noncommunicable disease which can be triggered by air borne allergens, respiratory infections, etc. Scurvy (Q) or bleeding gums is caused by deficiency of Vitamin C. Dengue (R) is a viral disease that is communicable as it spreads from an infected person to healthy person through bite of mosquito. Cholera (s) is also a communicable disease that spreads through contaminated food and water.

Ans 2: (Master Answer)

Class : Class 1
Answer: D Asthma (P) is a chronic disease characterised by inflammation in airways making it difficult to breathe. It is a noncommunicable disease which can be triggered by air borne allergens, respiratory infections, etc. Scurvy (Q) or bleeding gums is caused by deficiency of Vitamin C. Dengue (R) is a viral disease that is communicable as it spreads from an infected person to healthy person through bite of mosquito. Cholera (s) is also a communicable disease that spreads through contaminated food and water.

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 10
Answer: B. A beetle has four stages in its life cycle - egg, larva, pupa and adult. The young one that hatches from egg is completely different from adult. It experiences complete metamorphosis and undergoes moulting several times to become an adult.

Ans 2: (Master Answer)

Class : Class 1
Answer: B A beetle has four stages in its life cycle-egg, larva, pupa and adult. The young one that hatches from egg is completely different from adult. It experiences complete metamorphosis and undergoes moulting several times to become an adult.

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