National Science Olympiad Forum By SOF Olympiad Trainer - Page 77
  1. Home
  2. /  Forum

User Forum

Ask Your Question
Rupkatha Bhattacharyya from Ashok hall girls high school, KOLKATA
Subject :NSO    Class : Class 5

Select the option that correctly categorises the given animals into vertebrates and invertebrates.

1. Shark 2. Snail
3. Lizard 4. Ant
5. Crab 6. Kiwi
7. Horse 8. Whale
9. Newt 10. Spider


AVertebrates - 1, 3, 6, 7, 8 and 9 only Invertebrates - 2, 4, 5 and 10 only
BVertebrates - 1, 3, 5, 7 and 10 only Invertebrates - 2, 4, 6, 8 and 9 only
CVertebrates - 1, 3, 5, 7 and 10 only Invertebrates - 2, 4, 6, 8 and 9 only
DVertebrates - 1, 3, 5, 8 and 9 only Invertebrates - 2, 4, 6, 7 and 10 only


Post Your Answer

Rupkatha Bhattacharyya from Ashok hall girls high school, KOLKATA
Subject :NSO    Class : Class 5

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

Column I Column II
a. Vitamins (i) Keep body warm
b. Roughage (ii) Give energy
c. Carbohydrates (iii) Fight diseases
d. Proteins (iv) Build muscles
e. Fats (v) Helps in removal of faeces


Aa-(i), b-(ii), c-(iv), d-(v), e-(iii)
Ba-(ii), b-(i), c-(v), d-(iv), e-(iii)
Ca-(iii), b-(v), c-(ii), d-(iv), e-(i)
Da-(iv), b-(ii), c-(i), d-(iii), e-(v)


Post Your Answer

Kyra sahu from Sanskriti school, Pune
Subject :NSO    Class : Class 3

Ans 1:

naisargik from Akshar, Kolkata
Class : Class 3
answer

Ans 2:

S Malhotra from SFS , New Delhi
Class : Class 5

Ans 3:

Yashaswin from KV afs begumpet, Hyderabad
Class : Class 4
a

Ans 4:

LK from Tps, Palwal
Class : Class 7

Post Your Answer

Pragnay Priyadarshi from Quantum Leap School, HYDERABAD
Subject :NSO    Class : Class 6

Post Your Answer

Sarang Shete from Amanora School, Pune
Subject :NSO    Class : Class 7

Ans 1:

Naman from Uis, Bangalore
Class : Class 8
A and B are the same.

Ans 2:

Kabir from Gundecha Education Academy, Mumbai
Class : Class 7
A and B are the same in the option and when I highlighted B it is showing option A

Post Your Answer

Rithvik from BVM Global, Chennai
Subject :NSO    Class : Class 7

Refer to the given figures of blood cells and select the correct statements regarding X, Y and Z.


(i) X plays a key role in transporting waste carbon dioxide from the tissues to the lungs.
(ii) The pigment present in Z absorbs oxygen and transports it to the cells all over the body.
(iii) X is able to move on their own.
(iv) Y helps the blood to clot whenever there is a wound on the body.
(v) Y is important part of our immune system.
(vi) Z produces special protein substances, i.e., antibodies that protect us from infection.

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


figure not clear at all

Ans 1:

Rithvik from BVM Global, Chennai
Class : Class 8
figure is not at all clear i cant identify!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Post Your Answer

2332 from Dhruv Global School, Akole
Subject :NSO    Class : Class 3

Ans 1:

Yashaswin from KV afs begumpet, Hyderabad
Class : Class 4
C

Post Your Answer

sankalp from Gyan Bharti School, Saket, Delhi
Subject :NSO    Class : Class 7

Post Your Answer

Sourodeep Pal from Delhi Public School Siliguri, Siliguri
Subject :NSO    Class : Class 7

The rain containing excess of acids is called an acid rain. Acid rain can cause damage to buildings, historical monuments, plants and animals. Where do these acids come from?

AAcids like carbonic acid, sulphuric acid and nitric acid are already present in the rain.
BRain drops become acidic by combining with acids present in air.
CAcids present in rain drops become active on coming in contact with atmosphere.
DAir pollutants like CO2, SO2, NO2 dissolve in rain drops to form acids.


k

Post Your Answer

Pragnay Priyadarshi from Quantum Leap School, HYDERABAD
Subject :NSO    Class : Class 6

Post Your Answer