NSTSE (National Science Talent Search Exam- Unified Council) Class 7: Questions 1486 - 1493 of 1732

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Passage

Fill in the following crossword:

Image showing the crossword

Image Showing the Crossword

Question number: 1486 (6 of 6 Based on Passage) Show Passage

» Biology » Life on Earth and Soil

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MCQ▾

Question

DOWN: Soil that is well aerated (5):

Choices

Choice (4)Response

a.

Loamy soil

b.

Sandy soil

c.

Clayey soil

d.

All of the above

Question number: 1487

» Chemistry » Acid, Base and Salts

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MCQ▾

Question

Complete the equation:

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question number: 1488

» Biology » Life on Earth and Soil

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MCQ▾

Question

The growing of different crops on a piece of land to avoid exhausting of the soil is known as:

Choices

Choice (4)Response

a.

Deforestation

b.

Soil erosion

c.

Crop rotation

d.

None of the above

Question number: 1489

» Biology » Life on Earth and Soil

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MCQ▾

Question

Washing or blowing away of the top layer of soil is known as:

Choices

Choice (4)Response

a.

Erosion

b.

Weathering

c.

Soil formation

d.

Question does not provide sufficient data or is vague

Passage

Study the following equation and answer the questions:

Question number: 1490 (1 of 7 Based on Passage) Show Passage

» Chemistry » Acid, Base and Salts

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MCQ▾

Question

The above reaction will:

Choices

Choice (4)Response

a.

Neither absorb nor release

b.

Absorb energy

c.

Release energy

d.

All of the above

Question number: 1491 (2 of 7 Based on Passage) Show Passage

» Chemistry » Acid, Base and Salts

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MCQ▾

Question

Which of them is the salt?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 1492 (3 of 7 Based on Passage) Show Passage

» Chemistry » Acid, Base and Salts

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MCQ▾

Question

What are the products formed in the reaction?

Choices

Choice (4)Response

a.

Potassium nitrate and water

b.

Potassium chloride and water

c.

Potassium oxide and water

d.

Potassium hydroxide and water

Question number: 1493 (4 of 7 Based on Passage) Show Passage

» Chemistry » Acid, Base and Salts

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MCQ▾

Question

Which among them is the acid used in the equation?

Choices

Choice (4)Response

a.

b.

c.

d.

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