National Science Olympiad Forum By SOF Olympiad Trainer

Shane Fernandes from NES International school Mumbai, MUMBAI

Subject :NSO Class : Class 1

Four friends made different statements regarding animals. Which option is correct for given statements?
,

AMohit, Sonia and Ria are correct but Kush is incorrect.
BSonia and Ria are correct but Mohit and Kush are incorrect.
CMohit and Ria are correct but Sonia and Kush are incorrect.
DRia and Kush are correct but Mohit and Sonia are incorrect.

Do pigeons eat insects?

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Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

A

Mosquitoes have six legs. So, Mohit is correct. Ducks can walk, swim and fly. So, Sonia is correct. Pigeons eat grains and seeds mostly, and sometimes they eat insects too. So, Ria is correct. Rabbits do not live in coops; they live in rabbit-holes and burrows. So, Kush is incorrect.

Ans 2:

rudra shandil from Wishvashanti Gurukul, Alandi, Pune

Class : Class 2

Duck cannot fly.

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Vartika kumar from D P S Newtown, Kolkata

Subject :NSO Class : Class 3

Ravi took 100 gms each of three different soils P, Q and R in three identical troughs each with a hole at the base. He poured water (20 mL) over these three soils and collected the water dripping from the trough holes in similar graduated beakers X, Y and Z respectively for soils P, Q and R.
His readings were as follows:

Now, select the soil that is most suitable for pottery.

A P
B R
C Q
D None of these

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Ans 1:

k tagore from montessori school, KURNOOL

Class : Class 3

Ans 2:

S Malhotra from SFS , New Delhi

Class : Class 5

Ans 3:

Gyanesh from K.V. NO.1 SEC-30 GANDHINAGAR, GANDHINAGAR

Class : Class 3

THE ANSWER IS R

Ans 4:

Gyanesh from K.V. NO.1 SEC-30 GANDHINAGAR, GANDHINAGAR

Class : Class 3

THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R THE ANSWER IS R

Ans 5:

Aradhya Shankar from Vibgyor, Kolhapur

Class : Class 4

there is not such an option as R

Ans 6:

Utsavi Priya from DPS RUBY PARK, KOLKATA

Class : Class 8

Ans 7:

k tagore from montessori school, KURNOOL

Class : Class 3

R

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Ishaan Singhal from CCWS, Jaipur

Subject :NSO Class : Class 6

Consider the motion of the tip of the minute hand of a clock. In one hour

AThe distance covered is zero
BThe displacement is zero
CThe average speed is zero
DNone of these

after 1hour the the minute hand will come at the sme place from whaer it had started so the displacement (change of the place ) is zero example - you are walking in a circular path and you started at point P so after taking whole round you will come to the same place from where you strted

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Ans 1:

Surabhi Kulkarni from St Joseph's High' School Pashan , Pune

Class : Class 6

Ans 2:

Siva khawas from Manav Rachna International school, New Delhi

Class : Class 6

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Gyanesh from K.V. NO.1 SEC-30 GANDHINAGAR, GANDHINAGAR

Subject :NSO Class : Class 6

m ninbvg

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Shashank from Padma Seshadri Bala Bhavan Higher Secondary School, Chennai

Subject :NSO Class : Class 6

How to get solutions for MTG reasoning book?

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reechik ghosh from dps, farakka

Subject :NSO Class : Class 7

Priya conducted an experiment as shown here.

Select the correct statement regarding this.

ALime water in test tube B does not turn milky because potassium hydroxide solution absorbs the CO₂ from incoming air.
BLime water in test tube C turns milky as germinating seeds release CO₂ which enters test tube c.
CLime water in test tube B turns milky because germinating seeds release CO₂ into it.
DBoth A and B

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Ans 1: (Master Answer)

Admin from revisewise, Noida

Class : Class 1

D

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aatmaj sharma from HAPS HAMIRPUR HP, HAMIRPUR

Subject :NSO Class : Class 6

One centimetre on a scale is divided into 20 equal divisions. The least count (minimum value) of this scale is

A 20 cm
B 1 mm
C 0.1 mm
D 0.5 mm

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Ans 1:

Samarth Tripathi from Ryan International School, Gurugram

Class : Class 6

Ans 2:

SUSHEELA KAMLENDRA from FLORENCE ACADEMY, BENGALURU

Class : Class 6

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Kushal from Chirec, Hyderabad

Subject :NSO Class : Class 7

Read the given statements carefully and choose the correct option.

Statement 2 : Bases are bitter in taste and soapy in touch.
Statement 1 : Milk of magnesia tastes bitter.

ABoth statements 1 and 2 are true and statement 2 is the correct explanation of statement 1.
BBoth statements 1 and 2 are true but statement 2 is not the correct explanation of statement 1.
CStatement 1 is true and statement 2 is false.
DBoth statements 1 and 2 are false.

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Kushal from Chirec, Hyderabad

Subject :NSO Class : Class 7

Arrange the given words in a meaningful sequence.

1. Doctor
2. Fever
3. Prescribe
4. Diagnose
5. Medicine

A1, 4, 3, 2, 5
B2, 1, 3, 4, 5
C2, 1, 4, 3, 5
D2, 4, 3, 5, 1

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Niranjhan Rajeshkumar from Deens Academy, Whitefield, Bengaluru

Subject :NSO Class : Class 3

Water holding capacity of equal amounts of three soil samples (X, Y and Z) is shown in the given graph. Identify soils X, Y and Z and select the correct statement.

ASoil X is most suitable for pottery whereas soil Y is most suitable for growth of paddy.
BSoil X is most likely found at the base of pond whereas soil Y is most likely found near seashore.
CSoil Y is most suitable for growing plants like watermelon and cactus.
DNone of these

the answer c

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Ans 1:

Devansh from Narayana E-Techno School , Mumbai

Class : Class 5

Ans 2:

Devansh from Narayana E-Techno School , Mumbai

Class : Class 5

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