National Science Olympiad Forum By SOF Olympiad Trainer - Page 840

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 6
exosphere

Ans 2:

Class : Class 9
1000 km

Ans 3:

Class : Class 7
Exosphere (10,000 kilometres from Earth's surface).

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Subject :NSO    Class : Class 6

Ans 1:

Class : Class 4
100 years

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Subject :NSO    Class : Class 5

Ans 1:

Class : Class 5
dead pool is a superhero character who looks like spider man

Ans 2:

Class : Class 8

Ans 3:

Class : Class 8
Deadpool is a fictional anti hero.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
The fusion of pollen and egg cell leads to the formation of seed. Fusion of pollen and egg cell results in the formation of an embryo that further develops into a seed.

Ans 2:

Class : Class 7
Option D Sunflower

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Class : Class 4
Sunflower

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Class : Class 7
Sunflower

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Class : Class 5
D: sunflower

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Class : Class 7
sunflower

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Class : Class 9
D: Sunflower

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Class : Class 10
Sunflower

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Class : Class 5
sunflower

Ans 10:

Class : Class 5
Option D

Ans 11:

Class : Class 4
D: Sunflower

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Class : Class 7
sunflower

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Class : Class 4
sunflower

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Class : Class 5
D : Sunflower

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Class : Class 5
Option D

Ans 16:

Class : Class 7
Sunflower is a day-blooming flower. It grows best in full sunlight. Sunflower oil is extracted from its seeds, which is widely used in cooki ng.

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 5
A: Seed

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Class : Class 7
Option A. seed

Ans 3:

Class : Class 7
The fusion of pollen and egg cell leads to the formation of seed. Fusion of pollen and egg cell results in the formation of an embryo that further develops into a seed.

Ans 4:

Class : Class 4
Seed

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
Fir and pine are non- flowering plants. Hence, the correct option is A.

Ans 2:

Class : Class 7
D: Fern and tulsi

Ans 3:

Class : Class 7
D . FERN AND TULSI

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Subject :NSO    Class : Class 4

Ans 1:

Class : Class 7
d

Ans 2:

Class : Class 5
D: sunflower and marigold

Ans 3:

Class : Class 4
MARS

Ans 4:

Class : Class 7
Sunflower and marigold are naturally yellow in colour. Both of them are used for making yellow dye. Thus, the worker should choose sunflower and marigold flowers for making yellow dye. Hence, the correct answer is D.

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
Kashmir

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Class : Class 8
Option D Jammu & kashmir

Ans 3:

Class : Class 5
Jammu and Kashmir.

Ans 4:

Class : Class 3
a

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Class : Class 7
Option D) Jammu and Kashnir

Ans 6:

Class : Class 3
a. kerela

Ans 7:

Class : Class 6
Jammu and Kashmir

Ans 8:

Class : Class 5
Jammu and Kashmir option D

Ans 9:

Class : Class 5
D

Ans 10:

Class : Class 7
Option D. Pine trees are found in the mountainous region. Among the given choices Jammu & Kashmir is a mountainous region in India, where pine trees are found.

Ans 11:

Class : Class 7
not KERALA for sure! its KASHMIR

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 3
Oxygen

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Class : Class 7
C Rudraksh Tiwari KPS, Dwarahat-Almora

Ans 3:

Class : Class 7
Spines present on the cactus plant are the modified leaves. They are very tiny and do not perform photosynthesis. Photosynthesis is performed by the spongy stem of cactus. thus the correct option is B

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Class : Class 3
To perform photosynthesis

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Class : Class 3
Skin

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Class : Class 3
Algae , 5 million years ago

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Class : Class 3
Burning gases of helium and hydrogen

Ans 8:

Class : Class 7
B to perform photosynthesis

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Subject :NSO    Class : Class 3

Ans 1:

Class : Class 7
Carbon Dioxide

Ans 2:

Class : Class 7
Carbon Dioxide is given out during photosynthesis

Ans 3:

Class : Class 3
Physiologist

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Class : Class 5
Not carbon dioxide. The answer will be Oxygen (O2) and Water vapour (H2O)!!!

Ans 5:

Class : Class 3
Astronomers

Ans 6:

Class : Class 5
Oxygen

Ans 7:

Class : Class 7
Oxygen IS THE RIGHT ANSWER.

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