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rahul from euroschool, Mumbai
Subject :NSO    Class : Class 3

Ans 1:

Ivan Tyagi from Chirec International School , Hyderabad
Class : Class 7
A

Ans 2:

Trisha Awasthi from dpsnoida, Noida
Class : Class 3

Ans 3:

Avinita from NK Bagrodia Rohini , Delhi
Class : Class 3
c

Ans 4:

Havi Jain from GEMS modern academy, Gurgaon
Class : Class 8
A

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Rikhil Taneja from IVY World School, Jalandhar
Subject :NSO    Class : Class 9

Select the incorrect differences between collenchyma and sclerenchyma.

Collenchyma Sclerenchyma
(i) It is made up of dead cells. Its cells are living.
(ii) Lumen or cell cavity is wide. Lumen or cell cavity is usually narrow.
(iii) It provides hardness to the region where it occurs. It keeps the organ soft.
(iv) Wall thickening is not uniform. Wall thickening is uniform.
(v) Pits are simple and straight. Pits are simple, oblique and may be branched.


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


I think correct answer is b. But SOF is saying it is c.

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Manish Saruparia from NPS Singapore, Singapore
Subject :NSO    Class : Class 2

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Rikhil Taneja from IVY World School, Jalandhar
Subject :NSO    Class : Class 9

Ans 1:

Bipasana from KV IIT Kanpur, Kanpur
Class : Class 9
In the chromatogram, spots of the components of the protein extract are obtained at different heights, depending on their solubility. Only W and Y correspond to the two of the components of the extract (they are formed at the same height). Therefore, W and Y are components of the extract and the answer is C.

Ans 2:

Dhruvan G from Indian School al Ghubra, Muscat
Class : Class 9
Any help why?

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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 4

Ans 1:

SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Class : Class 8
explain

Ans 2:

sarada from phoenix greens, hyderabad
Class : Class 5

Ans 3:

Sourangshu Mallick from GIIS, Singapore
Class : Class 2

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Ashwak from Cambridge, Jalandhar
Subject :NSO    Class : Class 4

Ans 1:

Vania Aravindan from Unicent School , Miyapur Hyderabad
Class : Class 8

Ans 2:

Vania Aravindan from Unicent School , Miyapur Hyderabad
Class : Class 8

Ans 3:

somesh from Centre point katol road, Nagpur
Class : Class 6
C

Ans 4:

Arnesh from DPS Mathura Road , New Delhi
Class : Class 7
the answer is C

Ans 5:

Midhuna from ABCD, Banglore
Class : Class 3

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Harshdeep roy from Bhavans School , Nagpur
Subject :NSO    Class : Class 7

Match column I with column II and select the correct option from the codes given below.

Column I Column II
(P) Expansion of metals on heating (i) Neither physical nor chemical change
(Q) A stone kept in the sunlight (ii) Chemical change
(R) Burning of a candle (iii) Combination of physical and chemical changes
(S) Curdling of milk (iv) Physical change

A (P) - (iv), (Q) - (i), (R) - (iii), (S) - (ii)
B (P) - (iv), (Q) - (iii), (R) - (ii), (S) - (i)
C (P) - (i), (Q) - (ii), (R) - (iii), (S) - (iv)
D (P) - (i), (Q) - (iv), (R) - (ii), (S) - (iii)


A IS THE CORRECT ANSWER BECAUSE CURDING OF MILK IS A CHEMICAL CHANGE

Ans 1:

PRETHIKA from csacademy, ERODE
Class : Class 7

Ans 2:

Harshdeep roy from Bhavans School , Nagpur
Class : Class 7
A IS THE CORRECT ANSWER BECAUSE CURDING OF MILK IS A CHEMICAL CHANGE

Ans 3:

Satyam Pandey from radiant, danapur
Class : Class 5

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mahek peswani from jai hind primary school pimpri, pimpri
Subject :NSO    Class : Class 5

Ans 1:

Shreshta Reddy from Vibgyor, Bengaluru
Class : Class 7

Ans 2:

from GIIS,
Class : Class 4
class:class: frog

Ans 3:

Arnesh from DPS Mathura Road , New Delhi
Class : Class 7
frog as tadpoles breathe through lungs in water and frog is an amphibian

Ans 4:

Srushti Deepak Soni from Vibgyor , Vadodara
Class : Class 5

Ans 5:

from ,
Class : Class 5
I did

Ans 6:

Ishaan Singh from BBPS, Gurugram
Class : Class 7

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Kabeer from Shishukunj international school, Indore
Subject :NSO    Class : Class 2

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Manan Suvarna from Abc, Mumbai
Subject :NSO    Class : Class 5

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