National Science Olympiad Forum By SOF Olympiad Trainer - Page 313

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Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1

C

A shadow is formed on the other side of the object as the source of light. The image formed by pin hole camera are inverted ,smaller and real. We see stars because they have light of their own.


Ans 2: (Master Answer)

Class : Class 1

C

A shadow is formed on the other side of the object as the source of light. The image formed by pin hole camera are inverted ,smaller and real. We see stars because they have light of their own.


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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 9

Ans 2:

Class : Class 5

Ans 3:

Class : Class 7
c

Ans 4:

Class : Class 9
The answer should be B right?

Ans 5:

Class : Class 7
the answer is b c d

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Subject :NSO    Class : Class 6

Ans 1: (Master Answer)

Class : Class 1

B

Sand, Sawdust and Talcum Powder particles are not soluble in water. Sugar particles are soluble in water. So, sugar is the odd one out, and it is circled correctly.
Wood, Plastic and Rubber are non-metals, while Aluminium is a metal. So, Aluminium is the odd one out. That means Rubber is circled incorrectly. 
Iron, Copper, Zinc and Mercury – all are solid metals. But Mercury is the only metal that is liquid at standard temperature and pressure. So, mercury is the odd one out, and it is circled correctly.
Glass Marble, Stapler Pin and Needle are objects shapes and manufactured by men. Feather is a naturally occurring object. So, feather is the odd one out, and it is circled correctly.


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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
distillation is process from liquid to liquid but in answer it is there how because question is like this process from solid from liquid D is wrong

Ans 2:

Class : Class 10
distillation separates liquid from liquid(soluble) and it can't be option d....please verify it Sof!!!

Ans 3: (Master Answer)

Class : Class 1

D


Ans 4:

Class : Class 10
sorry,it's d

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 5
b

Ans 2: (Master Answer)

Class : Class 1

B

The chemical reaction in a primary cell is irreversible and hence cannot be recharged , while in secondary cells the chemical reaction involved can be reversed i.e it can be recharged.


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Subject :NSO    Class : Class 4

Refer to the given Venn diagram and select the INCORRECT option regarding organs P, Q and R.


A P could be a muscular organ which churns the food and helps in mixing it with acid.
B Q receives digestive juices from R and liver for complete digestion of all food components.
C R could be pancreas which secretes different digestive juices for digestion of proteins, fats and carbohydrates.
D P could be large intestine which is the longest and widest part of the gut.


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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 8

Ans 2:

Class : Class 8
can someone e-x-p-l-a-i-ncan someone e-x-p-l-a-i-n

Ans 3:

Class : Class 6
The roots coming out from the main root are called lateral roots not fibrous roots so option “c” is the correct answer

Ans 4:

Class : Class 6
C is the answer

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Subject :NSO    Class : Class 7

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 8
OPTION D

Ans 2:

Class : Class 7
Option D

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1

C

Proteins are building blocks of the body as they form tissues and muscles. They help in repair and maintenance of body. Proteins are found in meat, poultry & fish, pulses, eggs, and milk & milk products like yoghurt and cheese. So, X can be Protein.


Ans 2:

Class : Class 4

Ans 3:

Class : Class 2
protein help with the growth of our body.They help in repair our body.Proteins are present in meat, eggs, fish ,milk ,and in milk products.So X can be protein

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