National Science Olympiad Forum By SOF Olympiad Trainer - Page 356
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SIDDHARTH SOMANI from Vibgyor High, Mumbai
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A

P, Q, R, S and T are leaf, flower, fruit, stem and root respectively. Roots of sweet potato are edible, fruits of pumpkin and brinjal are edible and stem of sugarcane is edible.


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Sargah Surya from bgsnps, Bengaluru
Subject :NSO    Class : Class 7

Ans 1:

Rahul Panda from St. Xavier's High School, Kendujhar
Class : Class 7
please explain the answer

Ans 2:

ANANYA SHAH from UDGAM SCHOOL FOR CHILDREN , AHMEDABAD
Class : Class 8
yes, this is not a right explanation

Ans 3:

Shreejal moharana from DPS Greater Faridabad, Faridabad
Class : Class 8

Ans 4:

Nimish Khandekar from SNBP International School, Pune
Class : Class 10
i am not convinced with the solution.

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AKSHAJ SRIVASTAVA from MOUNT LITERA ZEE SCHOOL, Kanpur
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

(D):

After interchanging the positions, we get


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Jidnyasa Kolapte from D Y Patil International School Nerul, Navi Mumbai
Subject :NSO    Class : Class 4

Ans 1:

Raghav from DPS Gurgaon, Gurgaon
Class : Class 5

Ans 2:

Iraj Singh from DPS Megacity, Kolkata
Class : Class 8
C

Ans 3:

Ayush Singh from LMB, Kolkata
Class : Class 4

Ans 4: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C


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Srikar from SSRVM, Bangalore
Subject :NSO    Class : Class 8

Ans 1:

Ishita Arora from Ryan International School, Mumbai
Class : Class 9
The answer of this question is A...as a charged object can attract something that is neutral by induction and an atom which gains electrons becomes negatively charged.

Ans 2:

Jaidev Chowdhary from Shamrock International School, VIJAYAWADA
Class : Class 8

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Bhavik Bhat from The Gurukul Foundation School, Kashipur
Subject :NSO    Class : Class 6

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Yakshita Rathor from Divine Child, Mumbai
Subject :NSO    Class : Class 9

Identify X in the given statement and select the correct option regarding it. "When soil is completely saturated with water and excess water accumulates around plant roots in the field, the condition is referred to as X". X could damage crops because

AIt reduces air spaces between soil particles
BIt cuts off oxygen supply to roots hence, they are not able to breathe
CIt increases amount of salt in the soil and reduces its fertility
DAll of these.


Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D


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Yakshita Rathor from Divine Child, Mumbai
Subject :NSO    Class : Class 9

The matrix of bone is in the form of thin concentric rings, called _______. Bone cells, called _______ are present in fluidfilled spaces called _______. These fluid filled spaces of the bone communicate with each other by network of fine canals, called _______. Select the correct sequence of words to complete the above passage.

ALacunae, Osteoblasts, Lamellae, Canaliculi
BLamellae, Osteocytes, Lacunae, Canaliculi
CLamellae, Chondrocytes, Canaliculi, Lacunae
DLacunae, Adipocytes, Canaliculi, Sarcoplasm


Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B


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Hamzah Inamdar from SHARDA ENGLISH SCHOOL KAIJ DIST BEED, KAIJ
Subject :NSO    Class : Class 3

Ans 1:

Tejas Nandigama from NATIONAL PIBLIC SCHOOL , Bengaluru
Class : Class 4

Ans 2:

SS from meridian, hyderabad
Class : Class 5
yes or no ????????????????

Ans 3:

Bhavinkumar Gosai from The New Tulip International School, Ahmedabad
Class : Class 3
WRONGGGGGGGGGGGGG

Ans 4:

Kartikey Kumar Jindal from Dikshant International School, Zirakpur
Class : Class 5
The correct answer is c part.All the statments are correct

Ans 5:

Kartikey Kumar Jindal from Dikshant International School, Zirakpur
Class : Class 5
The correct answer is c part.All the statments are correct

Ans 6:

Hamzah Inamdar from SHARDA ENGLISH SCHOOL KAIJ DIST BEED, KAIJ
Class : Class 4
Sawing wood means Seeing wood then how it cause friction of heat.

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Syed Mohammad Hussain from ISAM, Muscat
Subject :NSO    Class : Class 3

Rashmi took three troughs each containing equal amounts of soil taken from different locations. Rashmi poured 500 mL of water gently onto the soil in each trough. Her observation after 30 minutes is shown in the given figure.

According to the observations, which trough contains soil that is the most likely to be found at the base of a pond?

A Soil in trough E because it absorbed the most water.
B Soil in trough F because it absorbed the most water.
C Soil in trough G because it absorbed the least water.
D Soil in trough E because it absorbed the least water.


IT IS HELL

Ans 1:

Kashika Goel from DPS Noida, Noida
Class : Class 6

Ans 2:

Kashika Goel from DPS Noida, Noida
Class : Class 6

Ans 3:

Manaswini Aradhyula from Silver Oaks International , Bengaluru
Class : Class 5
its wrong answer, clayey soil absorbs more water, sandy soil absorbs least ,the answer should be option B

Ans 4: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

Clayey soil is found at the base of a pond. Trough E contains clayey soil that absorbs least water.


Ans 5:

Kashika Goel from DPS Noida, Noida
Class : Class 6

Ans 6:

Kashika Goel from DPS Noida, Noida
Class : Class 6

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