National Science Olympiad Forum By SOF Olympiad Trainer - Page 56
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SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Subject :NSO    Class : Class 4

Ans 1:

Kriday from KDAV, Jamnagar
Class : Class 4

Ans 2:

Vedansh from Dpsgfbd, Faridabad
Class : Class 5

Ans 3:

Advika Bhatta from The Gaudium School, Hyderabad
Class : Class 4

Ans 4: (Master Answer)

from ,
Class :

C

The natural fibres hidden in the grid are WOOL, JUTE, COTTON, HEMP and FLAX.


Ans 5:

Advika Bhatta from The Gaudium School, Hyderabad
Class : Class 4
Answer should be 'B' be because hemp is a natural fibre, cotton is a natural fibre, jute is a natural fibre, but flax is the plant from which linen comes

Ans 6:

Nidhesh Agarwal from Chinmaya vidyalaya, Bokaro steel city
Class : Class 4
flax is not a fibre

Ans 7:

DivyanshuDeeyan from Dav, Bbsr
Class : Class 4

Ans 8:

Aarnav Grover from Anand Niketan Shilaj, Ahmedabad
Class : Class 9
CThe natural fibres hidden in the grid are WOOL,JUTE,COTTON,HEMP and FLAX

Ans 9:

Aaryav Misra from Vibgyor High, Bengaluru
Class : Class 4
What is hemp?

Ans 10:

suhana priyadarsini nayak from Orchid international school , Bengaluru
Class : Class 7
Answer c is correct because we can find cotton hemp jute flax and wool for explanation hemp is a synthetic fibre used to make most T-shirts

Ans 11:

Vyom from vardham, Khach
Class : Class 6
What is hamp?

Ans 12:

Parna Bonde from North Point School, Navi Mumbai
Class : Class 5

Ans 13:

srijita sen from B.J.E.M school, Bhubaneswar
Class : Class 6
Please explain what is hemp

Ans 14:

Vivaan A V from Loyola school, Jamshedpur
Class : Class 5
'C' is the answer as flax, hemp, wool, jute, and cotton all are fibers and can be found in the grid. So SOF is correct. For the doubt that 'Flax' is not a fiber; I can say that 'Flax' is a plant, but it's stem contains fibers to make linen, which you might have heard of.

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Radhika Gupta from Dps civil lines aligarh , Aligarh
Subject :NSO    Class : Class 4

Ans 1:

KANAK PRASAD from Kendriya Vidhyalaya IIT Tirupati, Tirupati
Class : Class 5

Ans 2:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4

Ans 3: (Master Answer)

from ,
Class :

D


Ans 4:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4
A sudden increase in the number of algae is called a algal bloom. Algal blooms are usually caused by sewage water and other such things entering in a water body.

Ans 5:

Suhas Madhusudhan from NPS BANASHANKARI , Bengaluru
Class : Class 4

Ans 6:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4
D

Ans 7:

Shantanu M A from Orchids the international school , Bangalore
Class : Class 4

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Anjishnu Kamboj from ST.XAVIER SEC SE CO ed Bhopal, BHOPAL
Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

from ,
Class :

C

 In the life cycle of butterflies etc., egg hatches to produce a young one called a larva which looks like a worm. After some days, it changes into pupa which finally turns into an adult.


Ans 2:

Yashraj Namdev Deshmukh from Sahyadri English School, Loha, Nanded
Class : Class 8
C)

Ans 3:

Vihaan Nair from Ambassador School, DUBAI
Class : Class 8

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shubhavi Dhondge from NPS, Banagalore
Subject :NSO    Class : Class 4

Ans 1:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4
That is what google says

Ans 2:

Aditya Nair from TSA, Bangalore
Class : Class 4
The correct answer is: D

Ans 3:

Aaryav Misra from Vibgyor High, Bengaluru
Class : Class 4
Doesn't hot air rise up from the land and cold air take up the hot air's place?

Ans 4:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4
Winds actually blow from areas of higher pressure to areas of lower pressure, not the reverse

Ans 5:

shubhavi Dhondge from NPS, Banagalore
Class : Class 9

Ans 6:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4
.

Ans 7:

Naisha Gupta from DPS School, Khajaguda, Hyderabad
Class : Class 4
D

Ans 8:

Vedant from TSVS, Bhopal
Class : Class 4
If A and B are INCORRECT, then it means D is CORRECT. Then, how can D be the INCORRECT option?

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shubhavi Dhondge from NPS, Banagalore
Subject :NSO    Class : Class 4

Ans 1:

SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Class : Class 9
all are correct

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

Ans 1: (Master Answer)

from ,
Class :

D


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Saathvik Sriram from euroschool whitefield, Bangalore
Subject :NSO    Class : Class 4

Ans 1:

Swara from The Knowledge Habitat, Pune
Class : Class 5

Ans 2:

SWARIT JAIN from DPS Greater Noida, GREATER NOIDA
Class : Class 9
a and d are correct

Ans 3:

suhana priyadarsini nayak from Orchid international school , Bengaluru
Class : Class 7
Sorry but for the explanation a and d are not correct because first we have to follow the filtration process to separate pebbles and then use evaporation process

Ans 4:

Ashwak from Cambridge, Jalandhar
Class : Class 9
Firstly , ( Sugar and Water ) and Pebbles can be separated through Filtration Secondly , Sugar and Water can be separated by Evaporation So , the answer is Option (A)

Ans 5:

Iniyan from Indian public school, Salem
Class : Class 5
A and d are correct

Ans 6:

Swara from The Knowledge Habitat, Pune
Class : Class 5

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

Ans 1:

Mohhika Sharma from Delhi Public School Greater Noida, Greater Noida
Class : Class 7

Ans 2: (Master Answer)

from ,
Class :

C

The animal shown here is polar bear. They have a fat layer under skin and a layer of fur over it to protect them from cold.


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

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

Ans 1: (Master Answer)

from ,
Class :

D

There two 'S' in the word 'COSMOS' so, 'COSMOS' cannot be made from the given word.


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