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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: (Master Answer)

Class : Class 1

D


Ans 3:

Class : Class 6
distillation separates liquid from liquid(soluble) and it can't be option d....please verify it Sof!!!

Ans 4:

Class : Class 6
sorry,it's d

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
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

Which of the following statements hold true for the root system shown in the given figure?

(i) It is a fibrous root system.
(ii) The branches that arise from the main root are called fibrous roots.
(iii) It is a tap root system.
(iv) Examples of this type of root system are pea, tulsi, radish, carrot and turnip.

A (i) and (iii) only
B (ii) and (iv) only
C (iii) and (iv) only
D (ii) and (iii) only


If 'D' is the correct option then the '2nd statement' must be-The branches that arise from the main root are called 'tap' root. Or the correct option must be C as the above all examples of tap root only. The question or the answer expected is wrong then it will affect the marks of the students whether it may be of 1 mark or of 3 marks. Please take my statements into consideration and do something as soon as possibleRegards Serene patel,Daughter of Sujata patel.

Ans 1:

Class : Class 6

Ans 2:

Class : Class 6
C is the answer

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Subject :NSO    Class : Class 7

A few substances are listed in the box.

(i) Sulphuric acid
(ii) Sodium bicarbonate
(iii) Sodium hydroxide
(iv) Ammonium hydroxide
(v) Sodium sulphate
(vi) Ammonium sulphate
(vii) Sodium chloride
(viii) Formic acid
(ix) Tartaric acid
(x) Nitric acid
Now, read the given passage and select the correct option. Substances __(p)__ are strong mineral acids while substances __(q)__ are weak organic acids. Aqueous solutions of substances __(r)__ will turn China rose indicator green while substances __(s)__ will have no effect on China rose indicator.

  (p) (q) (r) (s)
A (i), (x) (viii), (ix) (ii), (iii), (iv) (v), (vii)
B (i), (iii) (v), (vii) (ii), (viii), (x) (iv), (vi), (ix)
C (ii), (v) (iii), (vii), (ix) (i), (vi) (iv), (viii), (x)
D (i), (iii) (viii), (ix), (x) (ii), (v), (vii) (iv), (vi)


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Subject :NSO    Class : Class 7

The given graph shows rate of CO2 uptake over 24 hours by two potted plants X and Y kept in direct sunlight with all similar conditions viz. same sized pots with equal amount of soil and manure, adequate moisture and air.

Select the best possible option regarding X and Y.

APlant X is actively photosynthesising between 20 hrs to 24 hrs.
BPlant Y shows stomatal closure between 10 hrs to 18 hrs.
CPlant X shows maximum transpiration between 12 to 14 hrs.
DBoth B and C


Option D

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.


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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3

Ans 2:

Class : Class 3

Ans 3:

Class : Class 3
19th answers is correct

Ans 4: (Master Answer)

Class : Class 1

C

Shape of the shadow will deped on the edges of the object presented to the light source. So, if the same object is rotated the shadow will change its shape.


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Subject :NSO    Class : Class 10

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3

Ans 2:

Class : Class 3

Ans 3: (Master Answer)

Class : Class 1

D

Bus is a means of land transport while the other three are means of air transport.


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