National Science Olympiad Forum By SOF Olympiad Trainer - Page 287
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Adheesh Sharma from DPS Greater Faridabad , Faridabad
Subject :NSO    Class : Class 3

Ans 1:

ABHIJIT BHATTACHARYYA from Narayana Group Of Schools, KOLKATA
Class : Class 3
b

Ans 2: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B

A. This beak is strong and curved. Parrots have such beaks. It allows them to crack nuts, bite hard fruits and grip barks and branches of trees.
B. This beak is long, thin and tubular. Humming birds have such beaks. These beaks can be inserted into the narrow center portion of the flowers and birds can drink nectar through them.
C. This beak is broad and flat with holes. Ducks have such beaks. Ducks in ponds gulp water in these beaks, they keep the aquatic plants, fish and insects inside the beak, while water seeps out the tiny holes present in the beak.
D. This beak is strong, sharp and hooked. Eagles have such beaks. It allows them to tear off and eat the flesh of the prey.
Hence, the right answer is option B.


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daksh garg from bombay scottish school , Mumbai
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

A

In the given food chain grass is eaten by grasshopper. Grasshoppers are eaten by frogs; Frogs are eaten by snakes, and snakes are eaten by peacocks. If frog is completely removed from the given food chain, then no-one will eat the grasshopper, so the population of grasshoppers will increase.Since frog is completely removed, Snakes will not have enough food to eat, so population of snakes will decline. Hence b and d are correct and option A is the right answer.


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Shreya from RFS, Navimumbai
Subject :NSO    Class : Class 9

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

B


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anirudha ramanujam from Ambassador School, Dubai
Subject :NSO    Class : Class 7

Ans 1:

havya from ambitus world school, hyderbad
Class : Class 5
b

Ans 2:

havya from ambitus world school, hyderbad
Class : Class 5
b

Ans 3:

Paarthiv from Narayana olympiad, Ongole
Class : Class 7
it is option 4

Ans 4:

SAMRIDDHI BHARDWAJ from Foundation Academy, PATNA
Class : Class 7
Samriddhi from Foundation Academy , Patna class: 7 Option : C

Ans 5:

SAMRIDDHI BHARDWAJ from Foundation Academy, PATNA
Class : Class 7
Samriddhi from Foundation Academy, Patna Class: 7 Option: C

Ans 6:

havya from ambitus world school, hyderbad
Class : Class 5
c

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Swarit from Indian School Wadi kabir, Muscat
Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D

Linen is made from the cellulose fibres that grow inside of the stalks of the flax plant. Neem leaves are used to protect woollen clothes from insects.


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Swarit from Indian School Wadi kabir, Muscat
Subject :NSO    Class : Class 5

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

C


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avg from VIBGYOR HIGH, PUNE
Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

The correct answer is option B.


Ans 2:

Samvita Patil from NHVPS, Bangalore
Class : Class 5
Yes! ofcourse!

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Shashwat Srivastava from Shanti Asiatic School, Ahmedabad
Subject :NSO    Class : Class 4

Ans 1:

Twisha Arora from Modern Vidya Niketan, Sector - 17, Faridabad, Haryana, FARIDABAD
Class : Class 7
Pizza is neither steamed like idli nor fried like puris. It is also not boiled but, it is baked in an oven or microwave.

Ans 2:

somesh from Centre point katol road, Nagpur
Class : Class 6
Baking

Ans 3:

A Venkata Sai Pranav from Podar International School, Bhusawal
Class : Class 9

Ans 4:

Shashwat Srivastava from Shanti Asiatic School, Ahmedabad
Class : Class 5

Ans 5:

Ritwika Biswas from KV no 1 , Goa
Class : Class 7
yes it is bake

Ans 6:

Ritwika Biswas from KV no 1 , Goa
Class : Class 7

Ans 7:

Shashwat Srivastava from Shanti Asiatic School, Ahmedabad
Class : Class 5
Pizza is always baked in a oven because for a better taste.

Ans 8:

Midhuna from ABCD, Banglore
Class : Class 3
yup its baking

Ans 9:

Aanya Mehta from Gems Modern Academy, South City -2, Gurgaon, Gurgaon
Class : Class 4
AANYA MEHTA CLASS : 4 GMA ANSWER SHOULD BE D BAKED .

Ans 10:

ISHAN DAS from DELHI PUBLIC SCHOOL , ANGUL
Class : Class 4

Ans 11:

Abhigyan Sinha from Podar International School, Powai, Mumbai, Mumbai
Class : Class 7
correct answer is D

Ans 12:

Twisha Arora from Modern Vidya Niketan, Sector - 17, Faridabad, Haryana, FARIDABAD
Class : Class 7

Ans 13:

DEVAANGANA SARDAR from G.D. Birla Centre for Education, Kolkata
Class : Class 6
I thought it was an omelette so I selected frying but later I saw it was a pizza, If they could have written pizza, I would have surely selected baking.

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PARTH JAIN from DPS INDIRAPURAM, GHAZIABAD
Subject :NSO    Class : Class 8

Which of the following is/are incorrect statement(s)?
(i) Manure enhances the water holding capacity of the soil.
(ii) Manure is nutrient specific i.e. supplies a particular desired nutrient.
(iii) Manure decreases the number of friendly microbes.
(iv) Manure improves the texture of the soil.
(v) Manures are very rich in specific plant nutrients like nitrogen, phosphorus and potassium.

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


Ans 1: (Master Answer)

Admin from revisewise, Noida
Class : Class 1

D


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Siddharth Rajpal from Shri ram millennium school , Noida
Subject :NSO    Class : Class 6

Ans 1:

Ayush Chauhan from Modern Public School, Bhiwadi
Class : Class 9
Yes, as sun is not a planet

Ans 2:

Arnav Gawde from Lodha World School, Mumbai
Class : Class 6
Answer is b

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