NSO Level 1- Science Olympiad (SOF) Class 10: Questions 622 - 628 of 986

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Question number: 622

» Our Environment and Its Management

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MCQ▾

Question

Organisms which synthesize carbohydrates from inorganic compounds using radiant energy are known as

Choices

Choice (4)Response

a.

Herbivores

b.

Decomposers

c.

Carnivores

d.

Producers

Question number: 623

» Acids, Bases and Salts

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MCQ▾

Question

Which one is the correct for Ammonia Solution, which colour on the pH paper/Adding universal indicator. The colour of the paper turns into

Choices

Choice (4)Response

a.

Turned Green

b.

Turned Red

c.

Turned Orange

d.

Turned Blue

Question number: 624

» Acids, Bases and Salts

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MCQ▾

Question

Read the paragraph and Answer the question.

Addition of carbon dioxide, water and Sodium Carbonate, it gives is used for the kitchen for making tasty crispy pakoras, mild edible acid such as tartaric acid etc.

What is ?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 625

» Light - Reflection and Refraction

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MCQ▾

Question

If denote angle of incidence and angle of reflection, respectively, then

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 626

» Acids, Bases and Salts

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MCQ▾

Question

The acid having the highest ions concentration is one with

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 627

» Acids, Bases and Salts

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MCQ▾

Question

The Bases having the highest ions concentration is one with

Choices

Choice (4)Response

a.

b.

c.

d.

Passage

Direction: Read the passage carefully and answer the questions below

The surface of the ocean is at a higher temperature than the layers below. This temperature difference is exploited to generate energy. This requires Ocean Thermal Energy Conversion plants, which converts ocean thermal energy to electricity.

Question number: 628 (1 of 2 Based on Passage) Show Passage

» Sources of Energy

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MCQ▾

Question

Fill the blank space.

A minimum temperature difference of ________ C is needed between water at the surface and at a depth of about ________ km.

Choices

Choice (4)Response

a.

b.

c.

d.

Any of the above

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