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Geography Continental Drift Theory and its evidence MCQ Questions for Class 11 Science

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समान शैल संरचनाओं का विभिन्न महाद्वीपों पर मिलना किस बात का संकेत है?

What does the occurrence of similar rock structures on different continents indicate?

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Correct Answer

A. महाद्वीप पहले जुड़े रहे होंगेContinents were probably connected earlier

Step 1

Concept

Similar rocks and mountain ranges show old geographical connection. Exam tip: call it rock evidence.

Step 2

Why this answer is correct

The correct answer is A. महाद्वीप पहले जुड़े रहे होंगे / Continents were probably connected earlier. Similar rocks and mountain ranges show old geographical connection. Exam tip: call it rock evidence.

Step 3

Exam Tip

समान चट्टानें और पर्वत श्रेणियाँ पुराने भौगोलिक जुड़ाव को दिखाती हैं। परीक्षा में इसे शैल प्रमाण कहें।

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अफ्रीका और दक्षिण अमेरिका के तटों का मेल किस महासागर के दोनों ओर देखा जाता है?

The matching coasts of Africa and South America are seen on both sides of which ocean?

Explanation opens after your attempt
Correct Answer

B. अटलांटिक महासागरAtlantic Ocean

Step 1

Concept

Africa and South America lie on opposite sides of the Atlantic Ocean. Exam tip: remember coastal matching across the Atlantic.

Step 2

Why this answer is correct

The correct answer is B. अटलांटिक महासागर / Atlantic Ocean. Africa and South America lie on opposite sides of the Atlantic Ocean. Exam tip: remember coastal matching across the Atlantic.

Step 3

Exam Tip

अफ्रीका और दक्षिण अमेरिका अटलांटिक महासागर के दोनों ओर स्थित हैं। परीक्षा में अटलांटिक के आर पार तटीय मेल याद रखें।

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तिलाइट जमाव महाद्वीपीय विस्थापन का कौन सा प्रमाण माना जाता है?

Tillite deposits are considered which evidence of Continental Drift?

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Correct Answer

A. हिमानी प्रमाणGlacial evidence

Step 1

Concept

Tillites are linked with old glacial deposits. Exam tip: connect tillite with glacial evidence.

Step 2

Why this answer is correct

The correct answer is A. हिमानी प्रमाण / Glacial evidence. Tillites are linked with old glacial deposits. Exam tip: connect tillite with glacial evidence.

Step 3

Exam Tip

तिलाइट पुराने हिमानी निक्षेपों से जुड़े हैं। परीक्षा में तिलाइट को हिमानी प्रमाण से जोड़ें।

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पुरानी हिमानी धारियों का कई महाद्वीपों पर एक जैसी दिशा में मिलना क्या दर्शाता है?

What does the same direction of old glacial striations on several continents show?

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Correct Answer

A. पुराने समय में जुड़े भूभागConnected landmasses in the past

Step 1

Concept

Glacial striations suggest some continents may have been joined earlier. Exam tip: use similar direction as evidence.

Step 2

Why this answer is correct

The correct answer is A. पुराने समय में जुड़े भूभाग / Connected landmasses in the past. Glacial striations suggest some continents may have been joined earlier. Exam tip: use similar direction as evidence.

Step 3

Exam Tip

हिमानी धारियाँ बताती हैं कि कुछ महाद्वीप पहले जुड़े हुए हो सकते थे। परीक्षा में दिशा समानता को प्रमाण मानें।

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वेगेनर ने महाद्वीपीय विस्थापन के लिए कौन सा बल सुझाया था?

Which force did Wegener suggest for continental drift?

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Correct Answer

A. सौर और ज्वारीय बलPole-fleeing and tidal forces

Step 1

Concept

Wegener suggested pole-fleeing and tidal forces but they were considered insufficient. Exam tip: remember this as a weakness of the theory.

Step 2

Why this answer is correct

The correct answer is A. सौर और ज्वारीय बल / Pole-fleeing and tidal forces. Wegener suggested pole-fleeing and tidal forces but they were considered insufficient. Exam tip: remember this as a weakness of the theory.

Step 3

Exam Tip

वेगेनर ने सौर और ज्वारीय बलों का विचार दिया लेकिन वे पर्याप्त नहीं माने गए। परीक्षा में यह सिद्धांत की कमजोरी भी याद रखें।

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वेगेनर के सिद्धांत की मुख्य कमी क्या थी?

What was the main weakness of Wegener's theory?

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Correct Answer

A. महाद्वीपों को खिसकाने वाला बल स्पष्ट नहीं थाThe force moving continents was not clearly explained

Step 1

Concept

Wegener could not give a satisfactory cause of continental movement. Exam tip: consider lack of force as the main criticism.

Step 2

Why this answer is correct

The correct answer is A. महाद्वीपों को खिसकाने वाला बल स्पष्ट नहीं था / The force moving continents was not clearly explained. Wegener could not give a satisfactory cause of continental movement. Exam tip: consider lack of force as the main criticism.

Step 3

Exam Tip

वेगेनर महाद्वीपों की गति का संतोषजनक कारण नहीं दे सके। परीक्षा में बल की कमी को मुख्य आलोचना मानें।

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महाद्वीपीय विस्थापन सिद्धांत में महाद्वीपों की गति को क्या माना गया?

In Continental Drift Theory what was assumed about the movement of continents?

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Correct Answer

A. वे महासागरीय तल पर खिसकेThey drifted over the ocean floor

Step 1

Concept

Wegener suggested continents drifted over the ocean floor. Exam tip: this idea was later considered problematic.

Step 2

Why this answer is correct

The correct answer is A. वे महासागरीय तल पर खिसके / They drifted over the ocean floor. Wegener suggested continents drifted over the ocean floor. Exam tip: this idea was later considered problematic.

Step 3

Exam Tip

वेगेनर ने महाद्वीपों के महासागरीय तल पर खिसकने की बात कही। परीक्षा में यह विचार बाद में विवादित माना गया।

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प्लेसर निक्षेपों की समानता किस प्रकार के प्रमाण में आती है?

Similarity of placer deposits belongs to which type of evidence?

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Correct Answer

A. खनिज प्रमाणMineral evidence

Step 1

Concept

Placer deposits provide evidence of mineral similarity. Exam tip: remember them as economic geological signs of continental connection.

Step 2

Why this answer is correct

The correct answer is A. खनिज प्रमाण / Mineral evidence. Placer deposits provide evidence of mineral similarity. Exam tip: remember them as economic geological signs of continental connection.

Step 3

Exam Tip

प्लेसर निक्षेप खनिज समानता का प्रमाण देते हैं। परीक्षा में इन्हें महाद्वीपीय जुड़ाव के आर्थिक भूवैज्ञानिक संकेत की तरह याद रखें।

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भारत किस पुराने दक्षिणी भूभाग का भाग माना गया?

India was considered part of which old southern landmass?

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Correct Answer

B. गोंडवानालैंडGondwanaland

Step 1

Concept

India is considered part of ancient Gondwanaland. Exam tip: link India with the southern supercontinent.

Step 2

Why this answer is correct

The correct answer is B. गोंडवानालैंड / Gondwanaland. India is considered part of ancient Gondwanaland. Exam tip: link India with the southern supercontinent.

Step 3

Exam Tip

भारत प्राचीन गोंडवानालैंड का भाग माना जाता है। परीक्षा में भारत को दक्षिणी महाभूखंड से जोड़ें।

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अंटार्कटिका में कोयला मिलने से कौन सा संकेत मिलता है?

What does the occurrence of coal in Antarctica indicate?

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Correct Answer

A. वहाँ कभी गर्म और वनस्पति वाला वातावरण रहा होगाIt may once have had a warm vegetated environment

Step 1

Concept

Coal indicates old vegetation and a different climate. Exam tip: link it with climate change and drift.

Step 2

Why this answer is correct

The correct answer is A. वहाँ कभी गर्म और वनस्पति वाला वातावरण रहा होगा / It may once have had a warm vegetated environment. Coal indicates old vegetation and a different climate. Exam tip: link it with climate change and drift.

Step 3

Exam Tip

कोयला पुराने वनस्पति और अलग जलवायु का संकेत देता है। परीक्षा में इसे जलवायु परिवर्तन और विस्थापन से जोड़ें।

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