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

Question 1486 (6 of 6 Based on Passage)

Question

MCQ▾

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 1487

Question

MCQ▾

Complete the equation:

Choices

Choice (4)Response

a.

b.

c.

d.

All of the above

Question 1488

Question

MCQ▾

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 1489

Question

MCQ▾

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 1490 (1 of 7 Based on Passage)

Question

MCQ▾

Which among them is the acid used in the equation?

Choices

Choice (4)Response

a.

b.

c.

d.

Question 1491 (2 of 7 Based on Passage)

Question

MCQ▾

is the:

Choices

Choice (4)Response

a.

Salt

b.

Acid

c.

Base

d.

Question does not provide sufficient data or is vague

Question 1492 (3 of 7 Based on Passage)

Question

MCQ▾

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 1493 (4 of 7 Based on Passage)

Question

MCQ▾

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

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