National Science Olympiad Forum By SOF Olympiad Trainer - Page 593

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
C10H16O is the answer

Ans 2:

Class : Class 9
Option a is correct

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5

Ans 2:

Class : Class 3
The graph X-Axis is not describing digestive system it is describing four components of food which are carbohydrates, proteins, fats, and vitamins and minerals. So, vitamins and minerals are same before digestion and after digestion. answer is S.

Ans 3:

Class : Class 9
option A

Ans 4:

Class : Class 7
The correct answer is option A.

Ans 5:

Class : Class 4
the correct answer is: A

Ans 6:

Class : Class 4

Ans 7:

Class : Class 5

Ans 8:

Class : Class 4

Ans 9:

Class : Class 7
A is the correct answerWhen food is taken in the mouth, it is chewed and gets mixed with saliva secreted in the mouth (R). Once swallowed, the food moves through the oesophagus into the stomach where churning and digestion of food with digestive juices occurs (Q). The semi-digested food then moves into the small intestine where complete digestion as well as absorption of nutrients occur (S). From the undigested food, the water is absorbed in the large intestine (P). After this, the undigested food is expelled through the anus in the form of faeces (T).

Ans 10:

Class : Class 7
The correct answer is A

Ans 11: (Master Answer)

Class : Class 1

The correct answer is A.

When food is taken in the mouth, it is chewed and gets mixed with saliva secreted in the mouth (R). Once swallowed, the food moves through the oesophagus into the stomach where churning and digestion of food with digestive juices occurs (Q). The semi-digested food then moves into the small intestine where complete digestion as well as absorption of nutrients occur (S). From the undigested food, the water is absorbed in the large intestine (P). After this, the undigested food is expelled through the anus in the form of faeces (T).


Ans 12:

Class : Class 8

Ans 13:

Class : Class 7

Ans 14:

Class : Class 7

Ans 15:

Class : Class 5

Ans 16:

Class : Class 4

Ans 17:

Class : Class 4
i am dr manali parmar

Ans 18:

Class : Class 9

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 4

Ans 2:

Class : Class 8

Ans 3: (Master Answer)

Class : Class 1

The correct answer is B.

 


Ans 4:

Class : Class 8

Ans 5:

Class : Class 5
Proteins act like building blocks of our body

Ans 6:

Class : Class 6
B. Protein intake should be more. It repair and build muscle

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Subject :NSO    Class : Class 2

Ans 1: (Master Answer)

Class : Class 1

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Subject :NSO    Class : Class 2

Ans 1: (Master Answer)

Class : Class 1

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 7
most soil is in A so it is not C is the answer

Ans 2:

Class : Class 5
top soil is easily eroded (a)

Ans 3:

Class : Class 4
answer a soil erosion will occur

Ans 4:

Class : Class 8
how?

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
The answer is A.sublimation

Ans 2:

Class : Class 9
Sublimation because it is the process of change of state of matter from solid to gas without changing into liquid state.

Ans 3:

Class : Class 6
Ans. is A sublimation

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Subject :NSO    Class : Class 9

Ans 1:

Class : Class 9
Fractional distillation is used to separate liquids with less than 25 K difference in boiling points.

Ans 2:

Class : Class 9
3 and 1 only

Ans 3:

Class : Class 9
yes it 1 and 3 only

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Subject :NSO    Class : Class 8

Ans 1: (Master Answer)

Class : Class 1

The correct answer is D

The electonic configuration of manganese (atomic number=25) is 1s2 2s2 2p6 3s2 3p6 3d5 4s2


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Subject :NSO    Class : Class 4

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