National Science Olympiad Forum By SOF Olympiad Trainer

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
The correct answer is D. The options come in pairs in the body.

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Subject :NSO    Class : Class 5

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
Discuss on ForumQuestion.The fourth level in a food chain ……………..1.Can be a tree2.Can never be a tree3.Can be an herbivore animal4.Can never be an herbivore animal5.Can be a carnivoreWhich of the following can correctly complete the statement? A1, 3, 5 B2, 4, 5 C1, 4, 5 D2, 3, 5 View All Answers (2)Ans 1:Riddhiman Bose from Don Bosco School, KolkataClass : >Class 3 2 minutes agoDiscuss on ForumQuestion.The fourth level in a food chain ……………..1.Can be a tree2.Can never be a tree3.Can be an herbivore animal4.Can never be an herbivore animal5.Can be a carnivoreWhich of the following can correctly complete the statement? A1, 3, 5 B2, 4, 5 C1, 4, 5 D2, 3, 5 View All Answers (1)Ans 1:Admin from Revisewise, NoidaClass : >Class 3 12 months agoIn a food chain the first level is a producer a plant, second level is a herbivore that feeds on plants, third is a carnivore that feeds on a herbivore and fourth is a carnivore that feeds on other consumers. So, the fourth level cannot be a Tree (option2) or a Herbivore (option4) Though it can be a carnivore (option5). Hence the correct option is B.Ans 2:Admin from Revisewise, NoidaClass : >Class 3 12 months agoIn a food chain the first level is a producer a plant, second level is a herbivore that feeds on plants, third is a carnivore that feeds on a herbivore and fourth is a carnivore that feeds on other consumers. So, the fourth level cannot be a Tree (option2) or a Herbivore (option4) Though it can be a carnivore (option5). Hence the correct option is B.

Ans 2:

Class : Class 4
Discuss on ForumQuestion.The fourth level in a food chain ……………..1.Can be a tree2.Can never be a tree3.Can be an herbivore animal4.Can never be an herbivore animal5.Can be a carnivoreWhich of the following can correctly complete the statement? A1, 3, 5 B2, 4, 5 C1, 4, 5 D2, 3, 5 View All Answers (1)Ans 1:Admin from Revisewise, NoidaClass : >Class 3 12 months agoIn a food chain the first level is a producer a plant, second level is a herbivore that feeds on plants, third is a carnivore that feeds on a herbivore and fourth is a carnivore that feeds on other consumers. So, the fourth level cannot be a Tree (option2) or a Herbivore (option4) Though it can be a carnivore (option5). Hence the correct option is B.

Ans 3:

Class : Class 4
Discuss on ForumQuestion.The fourth level in a food chain ……………..1.Can be a tree2.Can never be a tree3.Can be an herbivore animal4.Can never be an herbivore animal5.Can be a carnivoreWhich of the following can correctly complete the statement? A1, 3, 5 B2, 4, 5 C1, 4, 5 D2, 3, 5 View All Answers (3)Ans 1:Riddhiman Bose from Don Bosco School, KolkataClass : >Class 3 2 minutes agoDiscuss on ForumQuestion.The fourth level in a food chain ……………..1.Can be a tree2.Can never be a tree3.Can be an herbivore animal4.Can never be an herbivore animal5.Can be a carnivoreWhich of the following can correctly complete the statement? A1, 3, 5 B2, 4, 5 C1, 4, 5 D2, 3, 5 View All Answers (2)Ans 1:Riddhiman Bose from Don Bosco School, KolkataClass : >Class 3 2 minutes agoDiscuss on ForumQuestion.The fourth level in a food chain ……………..1.Can be a tree2.Can never be a tree3.Can be an herbivore animal4.Can never be an herbivore animal5.Can be a carnivoreWhich of the following can correctly complete the statement? A1, 3, 5 B2, 4, 5 C1, 4, 5 D2, 3, 5 View All Answers (1)Ans 1:Admin from Revisewise, NoidaClass : >Class 3 12 months agoIn a food chain the first level is a producer a plant, second level is a herbivore that feeds on plants, third is a carnivore that feeds on a herbivore and fourth is a carnivore that feeds on other consumers. So, the fourth level cannot be a Tree (option2) or a Herbivore (option4) Though it can be a carnivore (option5). Hence the correct option is B.Ans 2:Admin from Revisewise, NoidaClass : >Class 3 12 months agoIn a food chain the first level is a producer a plant, second level is a herbivore that feeds on plants, third is a carnivore that feeds on a herbivore and fourth is a carnivore that feeds on other consumers. So, the fourth level cannot be a Tree (option2) or a Herbivore (option4) Though it can be a carnivore (option5). Hence the correct option is B.Ans 2:Admin from Revisewise, NoidaClass : >Class 3 12 months agoIn a food chain the first level is a producer a plant, second level is a herbivore that feeds on plants, third is a carnivore that feeds on a herbivore and fourth is a carnivore that feeds on other consumers. So, the fourth level cannot be a Tree (option2) or a Herbivore (option4) Though it can be a carnivore (option5). Hence the correct option is B.Ans 3:Riddhiman Bose from Don Bosco School, KolkataClass : >Class 3 3 minutes agoDiscuss on ForumQuestion.The fourth level in a food chain ……………..1.Can be a tree2.Can never be a tree3.Can be an herbivore animal4.Can never be an herbivore animal5.Can be a carnivoreWhich of the following can correctly complete the statement? A1, 3, 5 B2, 4, 5 C1, 4, 5 D2, 3, 5 View All Answers (1)Ans 1:Admin from Revisewise, NoidaClass : >Class 3 12 months agoIn a food chain the first level is a producer a plant, second level is a herbivore that feeds on plants, third is a carnivore that feeds on a herbivore and fourth is a carnivore that feeds on other consumers. So, the fourth level cannot be a Tree (option2) or a Herbivore (option4) Though it can be a carnivore (option5). Hence the correct option is B.

Ans 4:

Class : Class 3
In a food chain the first level is a producer a plant, second level is a herbivore that feeds on plants, third is a carnivore that feeds on a herbivore and fourth is a carnivore that feeds on other consumers. So, the fourth level cannot be a Tree (option2) or a Herbivore (option4) Though it can be a carnivore (option5). Hence the correct option is B.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 3
If all plants in the area are wiped out the Organism Y will be affected most as it is directly dependent on the plants for its food requirement.

Ans 2:

Class : Class 4
A

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
Frictional force affects objects in contact with each other hence cannot affect objects from a distance.

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Subject :NSO    Class : Class 3

Ans 1: (Master Answer)

Class : Class 1
At 35C the water is liquid and at -10C it is Solid. Hence, the correct answer is C.

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 4
nicely explained

Ans 2:

Class : Class 3
Option A,B and C are autotrophs, which produce their own food in presence of light and water. Option C is a mushroom a Fungus and a saprophyte that obtains its nutrition and grows on dead and decaying material.

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Subject :NSO    Class : Class 4

Rajeev put a leaf he had just plucked, into a beaker of warm water as shown. He noticed bubbles coming out of the leaf. He noticed more bubbles on the lower surface of leaf. Which of the following is the correct explanation for this?


A Photosynthesis can take place on the lower surface of the leaf.
B There are more stomata on the lower surface of the leaf.
C The leaf is transporting sugar to the lower surface of the leaf.
D Carbon dioxide enters the leaf from the upper surface and oxygen comes out from the lower surface.


I know the answer.......YOU TELL

Ans 1:

Class : Class 4
D should both correct

Ans 2:

Class : Class 4

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Subject :NSO    Class : Class 4

Ans 1: (Master Answer)

Class : Class 1
The correct answer is A.

Ans 2:

Class : Class 2

Ans 3:

Class : Class 4
why not decantaion and evaporation.

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Subject :NSO    Class : Class 7

Ans 1:

Class : Class 7
SOF HAS MADE MISTAKES IN MANY QUESTIONS...........CORRECT ANS. IS C

Ans 2:

Class : Class 7
the sol. given by sof is wrong as stated in above comment...correct answer is (c)

Ans 3:

Class : Class 7
Answer is C, don't worry people.

Ans 4:

Class : Class 7
correct ans. is 'C'.

Ans 5:

Class : Class 7

Ans 6:

Class : Class 7
C is the correct answer we don't understand how the team is making these mistakes

Ans 7:

Class : Class 7
As in winter land get cool faster than sea the air above the sea became hot and rises up and the air from the land rushes to take its place. So in this way in winter the air blow from land to sea and (c) is the correct answer.

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