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SHAUNAK from St Xaviers School, HAZARIBAG
Subject :NSO    Class : Class 3

Ans 1:

Arnav Basu from faps, Bengaluru
Class : Class 6
b

Ans 2:

Kashika Goel from DPS Noida, Noida
Class : Class 6

Ans 3:

ANSHUL GAJJAR from PODAR INTERNATIONAL SCHOOL, AHMEDABAD
Class : Class 3
B

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SHAUNAK from St Xaviers School, HAZARIBAG
Subject :NSO    Class : Class 3

Ans 1:

SHAUNAK from St Xaviers School, HAZARIBAG
Class : Class 3
B is the right answer.

Ans 2:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 7
The correct answer is B.

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Nishtha Mishra from bal bharti public school, new delhi
Subject :NSO    Class : Class 3

Ans 1:

Aatreyu from vpms, pune
Class : Class 6
B . (2.1cm)

Ans 2:

Aatreyu from vpms, pune
Class : Class 6
B . (2.1cm)

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ishit from EUROSCHOOL THANE, THANE WEST
Subject :NSO    Class : Class 4

Ans 1:

Sridatri Deb from Euro School Airoli, MUMBAI
Class : Class 4
the solution is correct as this is not combination this is just simple paring that is converted to handshakes . answer is C

Ans 2:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 6

Ans 3:

Sridatri Deb from Euro School Airoli, MUMBAI
Class : Class 4
no repetition of same pairs ( like AB and BA )

Ans 4:

Harsh Sobti from the samhita academy, BLR
Class : Class 5
a

Ans 5:

Anika S Kumar from Alphabets International school , Chennai
Class : Class 7
A 30

Ans 6:

Suniti Kumar Ghosh from Holy Angels' School, Katwa
Class : Class 8
C 15

Ans 7:

Naavya Kapoor from St Gregorios High school , Mumbai
Class : Class 6

Ans 8:

Rishik De Sarkar from Delhi Public School Gurgaon, Gurgaon
Class : Class 7
AAAAAAAAAAAAAAAAAAAAAAA = Answer

Ans 9:

Aryan Swain from Kendriya Vidyalaya, Guwahati
Class : Class 5
As said in the solution no repeating of same pairs (AB and BA) so 15 is correct.

Ans 10:

Ashwak from Cambridge, Jalandhar
Class : Class 8
Vighneshwar , Bhavya and Anika can you tell me how the answer is A ??? Why are you telling the wrong answer ???

Ans 11:

Bhavya Jain from K R Mangalam World Scholl, GHAZIABAD
Class : Class 4
Answer should be A as 6 x 5 =30

Ans 12:

Bhavya Jain from K R Mangalam World Scholl, GHAZIABAD
Class : Class 4
Answer is A

Ans 13:

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

Ans 14:

Bhavya Jain from K R Mangalam World Scholl, GHAZIABAD
Class : Class 4

Ans 15:

Ashwak from Cambridge, Jalandhar
Class : Class 8
The correct answer is C

Ans 16:

vighneshwar from study hall, Lucknow
Class : Class 5
A

Ans 17:

Anika S Kumar from Alphabets International school , Chennai
Class : Class 7
A 30

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Navya Ojal from Mpv Mysore, Mysore
Subject :NSO    Class : Class 4

Ans 1:

vivaan sethi from GD goenka public school, Delhi
Class : Class 4
the correct ans is D

Ans 2:

Dishita Santosh Walujkar from Nutan English School, Kurduwadi
Class : Class 7
D

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Asmita Bhowmick from Delhi Public School Vadodara, Vadodara
Subject :NSO    Class : Class 8

In which of the following agricultural setups, the nutrient needs of one crop are fulfilled by the other crop?


A
B
C
D


here,groundnut soyabeans and wheat all are legumes which have nodules at their roots for rhizobium bacteria, which fixes atmospheric N2 --->nitrates.so, only rice crop's requiremnts need to be fulffilled by any of the other crops.So,the correct diagram must show rice and any one other crop(because the question reads "other crop" not crops)So ideally,D should be the correct option. How is C right boggles me.

Ans 1:

Bhagyesh Kamal from DPS, Mumbai
Class : Class 8

Ans 2:

Amol Athawale from WoodRidge High, aurangabad
Class : Class 6
answer should be a

Ans 3:

keosha jain from saint francis convent intercollege , jhansi
Class : Class 8
please explain

Ans 4:

Shailja from The Pentecostal assembly school, Bokaro
Class : Class 8

Ans 5:

Ritoma gupta from BDMI, Kolkata
Class : Class 8

Ans 6:

Chandan Gupta from Naihati Narendra Vidya Niketan, Naihati
Class : Class 8
Can you explain how it is working

Ans 7:

Satvik Mehta from St Andrews school Bowenpally, Secunderabad
Class : Class 4
It should be a

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Anushka Srivastava from Cjm, Dehradun
Subject :NSO    Class : Class 6

Read the following statements (i) - (v), each with one or two blanks.

(i) (A) have liquid skeletons.
(ii) The last (B) pairs of ribcage bones that are not joined to the breast bone are called (C).
(iii) The longest bone of human body is (D).
(iv) (E) is strong, flexible band that holds bones together at the joints.
(v) (F) is a smooth elastic tissue that covers and protects the ends of long bones at the joints.
Which of the following options correctly fills any two of these blanks?

A (A)-Earthworm, (D)-Humerus
B (E)-Ligament, (f)-Cartilage
C (B)-Four, (C)-Floating ribs
D (E)-Tendon, (f)-Ligament


B

Ans 1:

Pragyan Srivastava from Manipal Public School, Lucknow
Class : Class 10
The correct answer is option B . Clearly , the ligaments hold the bones together at joints and cartilage acts as a cushion that acts as a shock absorbent .

Ans 2:

Pragyan Srivastava from Manipal Public School, Lucknow
Class : Class 10

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SANVI from D PS VADODARA, Vadodara
Subject :NSO    Class : Class 7

The polar bear has some adaptive features to live in extremely cold climate of polar regions.
Some are given in the box.

Select the correct adaptation values of the features P, Q and R from the following:
(i) Helps in catching the prey
(ii) Helps in high speed running
(iii) Insulates the body
(iv) Makes it a good swimmer
(v) Reduces heat loss
(vi) Makes it walk on snow easily
(vii) Sensitive hearing

A P → (v), Q → (vii), R → (ii)
B P → (iv), Q → (iii), R → (i)
C P → (iii), Q → (v), R → (vi)
D P → (iii), Q → (i), R → (ii)


I have a question, how can small ears help in reducing heat loss?

Ans 1:

Arnav Ranka from Gyan Bharati School, Saket, New Delhi
Class : Class 9
Big ears will have a comparatively more blood supply. So it will have more heat loss also.

Ans 2:

Pratyay Sarkar from South Point High School, Kolkata
Class : Class 7
Small ears have less blood vessels. Blood vessels help radiate heat from the body. So less blood vessels in the small ears help reduce heat loss.

Ans 3:

Pratyay Sarkar from South Point High School, Kolkata
Class : Class 7
P-(iii),Q-(v),R-(vi)

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Ishaan Roy from Sri Chaitanya Techno School, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

UTKARSH SAWARN from AIR FORCE SCHAOOL AMBALA CANTT, AMBALA CANTT
Class : Class 8
A OPTION

Ans 2:

Shayan Bari from Kendriya Vidyalaya, Katihar
Class : Class 7
Option A is the correct option.

Ans 3:

Shriya Sreekrishna from BLUEBELLS SCHOOL INTERNATIONAL, New Delhi
Class : Class 7
The answer is option A, I think

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Tanmaya Sreenath from KIDZEE OXFORD BLOOM SCHOOL, KARAIKAL
Subject :NSO    Class : Class 3

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