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Geography Soil formation processes MCQ Questions for Class 11 Science

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मृदा निर्माण में चट्टान के छोटे कण बनने का पहला आधार क्या है?

What is the first basis for forming small rock particles in soil formation?

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Correct Answer

C. अपक्षयWeathering

Step 1

Concept

Weathering begins soil formation by breaking rock into smaller particles. Exam tip: treat weathering as the first link of soil formation.

Step 2

Why this answer is correct

The correct answer is C. अपक्षय / Weathering. Weathering begins soil formation by breaking rock into smaller particles. Exam tip: treat weathering as the first link of soil formation.

Step 3

Exam Tip

अपक्षय चट्टान को छोटे कणों में तोड़कर मिट्टी बनने की शुरुआत करता है। परीक्षा में weathering को soil formation की पहली कड़ी मानें।

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मृदा निर्माण में मूल शैल किस चीज का स्रोत होता है?

In soil formation parent rock is the source of what?

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Correct Answer

A. खनिज पदार्थMineral matter

Step 1

Concept

Parent rock gives mineral particles to soil. Exam tip: connect parent rock with mineral source.

Step 2

Why this answer is correct

The correct answer is A. खनिज पदार्थ / Mineral matter. Parent rock gives mineral particles to soil. Exam tip: connect parent rock with mineral source.

Step 3

Exam Tip

मूल शैल मिट्टी को खनिज कण देता है। परीक्षा में parent rock को mineral source से जोड़ें।

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मिट्टी में जैविक पदार्थ का मुख्य स्रोत कौन सा है?

What is the main source of organic matter in soil?

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Correct Answer

B. सड़े गले पौधे और जीव अवशेषDecayed plant and animal remains

Step 1

Concept

Plant and animal remains decay to form organic matter. Exam tip: connect organic matter with humus.

Step 2

Why this answer is correct

The correct answer is B. सड़े गले पौधे और जीव अवशेष / Decayed plant and animal remains. Plant and animal remains decay to form organic matter. Exam tip: connect organic matter with humus.

Step 3

Exam Tip

पौधों और जीवों के अवशेष सड़कर जैविक पदार्थ बनाते हैं। परीक्षा में organic matter को humus से जोड़ें।

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किस कारक से मिट्टी की परतें धीरे धीरे विकसित होती हैं?

Which factor helps soil layers develop gradually?

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Correct Answer

A. समयTime

Step 1

Concept

Soil horizons take a long time to develop. Exam tip: connect time factor with horizon development.

Step 2

Why this answer is correct

The correct answer is A. समय / Time. Soil horizons take a long time to develop. Exam tip: connect time factor with horizon development.

Step 3

Exam Tip

मृदा क्षितिज बनने में लंबा समय लगता है। परीक्षा में time factor को horizon development से जोड़ें।

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मृदा निर्माण में स्थलाकृति का प्रभाव किस पर पड़ सकता है?

Relief in soil formation can affect what?

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Correct Answer

A. मिट्टी की मोटाई और जल निकासSoil thickness and drainage

Step 1

Concept

Slope and elevation affect soil retention and water flow. Exam tip: connect relief with soil depth.

Step 2

Why this answer is correct

The correct answer is A. मिट्टी की मोटाई और जल निकास / Soil thickness and drainage. Slope and elevation affect soil retention and water flow. Exam tip: connect relief with soil depth.

Step 3

Exam Tip

ढाल और ऊंचाई मिट्टी के टिकने और जल बहाव को प्रभावित करते हैं। परीक्षा में relief को soil depth से जोड़ें।

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समतल भूमि पर मिट्टी अधिक गहरी क्यों हो सकती है?

Why can soil be deeper on flat land?

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Correct Answer

A. क्योंकि वहां कटाव कम और जमाव अधिक हो सकता हैBecause erosion may be less and accumulation may be more

Step 1

Concept

On flat land soil is not easily washed away. Exam tip: connect flat land with deep soil.

Step 2

Why this answer is correct

The correct answer is A. क्योंकि वहां कटाव कम और जमाव अधिक हो सकता है / Because erosion may be less and accumulation may be more. On flat land soil is not easily washed away. Exam tip: connect flat land with deep soil.

Step 3

Exam Tip

समतल स्थान पर मिट्टी आसानी से बहकर नहीं हटती। परीक्षा में flat land को deep soil से जोड़ें।

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ढाल पर मिट्टी पतली रहने का प्रमुख कारण क्या है?

What is the main reason soil remains thin on slopes?

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Correct Answer

A. मिट्टी का नीचे बहना या खिसकनाWashing or sliding of soil downslope

Step 1

Concept

Water and gravity can move soil down a slope. Exam tip: connect slope with erosion risk.

Step 2

Why this answer is correct

The correct answer is A. मिट्टी का नीचे बहना या खिसकना / Washing or sliding of soil downslope. Water and gravity can move soil down a slope. Exam tip: connect slope with erosion risk.

Step 3

Exam Tip

ढाल पर जल और गुरुत्व मिट्टी को नीचे ले जा सकते हैं। परीक्षा में slope को erosion risk से जोड़ें।

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मिट्टी की ऊपरी उपजाऊ परत को क्या कहते हैं?

What is the upper fertile layer of soil called?

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Correct Answer

B. ऊपरी मिट्टीTopsoil

Step 1

Concept

Topsoil contains more humus and nutrients. Exam tip: understand topsoil as the fertile layer.

Step 2

Why this answer is correct

The correct answer is B. ऊपरी मिट्टी / Topsoil. Topsoil contains more humus and nutrients. Exam tip: understand topsoil as the fertile layer.

Step 3

Exam Tip

ऊपरी मिट्टी में ह्यूमस और पोषक तत्व अधिक होते हैं। परीक्षा में topsoil को fertile layer समझें।

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मृदा प्रोफाइल में अलग अलग परतों को क्या कहा जाता है?

What are the different layers in a soil profile called?

Explanation opens after your attempt
Correct Answer

A. क्षितिजHorizons

Step 1

Concept

Soil horizons are developed layers of soil. Exam tip: connect horizons with soil profile.

Step 2

Why this answer is correct

The correct answer is A. क्षितिज / Horizons. Soil horizons are developed layers of soil. Exam tip: connect horizons with soil profile.

Step 3

Exam Tip

मृदा क्षितिज मिट्टी की विकसित परतें हैं। परीक्षा में horizons को soil profile से जोड़ें।

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जैविक अवशेषों से भरपूर क्षितिज कौन सा होता है?

Which horizon is rich in organic remains?

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Correct Answer

C. ओ क्षितिजO horizon

Step 1

Concept

The O horizon has more leaves and organic remains. Exam tip: remember O as organic.

Step 2

Why this answer is correct

The correct answer is C. ओ क्षितिज / O horizon. The O horizon has more leaves and organic remains. Exam tip: remember O as organic.

Step 3

Exam Tip

ओ क्षितिज में पत्तियां और जैविक अवशेष अधिक होते हैं। परीक्षा में O को organic से याद रखें।

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