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Geography Relief of the ocean floor MCQ Questions for Class 11 Science

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महासागरीय तल के प्रमुख भागों में कौन-सा भाग महाद्वीप के किनारे के पास पाया जाता है?

Which part of the ocean floor is found near the edge of a continent?

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Correct Answer

A. महाद्वीपीय मग्नतटContinental shelf

Step 1

Concept

The continental shelf is the shallow submerged part extending from the continent into the sea. For exams, remember it as the drowned edge of a continent.

Step 2

Why this answer is correct

The correct answer is A. महाद्वीपीय मग्नतट / Continental shelf. The continental shelf is the shallow submerged part extending from the continent into the sea. For exams, remember it as the drowned edge of a continent.

Step 3

Exam Tip

महाद्वीपीय मग्नतट महाद्वीप के किनारे से समुद्र की ओर फैला उथला भाग है। परीक्षा में इसे महाद्वीप का डूबा हुआ किनारा याद रखें।

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महाद्वीपीय मग्नतट की सामान्य गहराई कैसी होती है?

What is the usual depth condition of the continental shelf?

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Correct Answer

B. उथलीShallow

Step 1

Concept

The continental shelf is a shallow part of the ocean. For exams, connect it with fishing and mineral resources.

Step 2

Why this answer is correct

The correct answer is B. उथली / Shallow. The continental shelf is a shallow part of the ocean. For exams, connect it with fishing and mineral resources.

Step 3

Exam Tip

महाद्वीपीय मग्नतट महासागर का उथला भाग होता है। परीक्षा में मत्स्यन और खनिज संसाधनों से इसे जोड़ें।

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महासागरीय तल का सबसे समतल और विस्तृत गहरा भाग कौन-सा है?

Which is the broad, flat and deep part of the ocean floor?

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Correct Answer

B. अथाह मैदानAbyssal plain

Step 1

Concept

Abyssal plains are flat areas spread in the deep ocean. For exams, treat them as plains covered with fine sediments.

Step 2

Why this answer is correct

The correct answer is B. अथाह मैदान / Abyssal plain. Abyssal plains are flat areas spread in the deep ocean. For exams, treat them as plains covered with fine sediments.

Step 3

Exam Tip

अथाह मैदान गहरे समुद्र में फैले समतल क्षेत्र होते हैं। परीक्षा में इन्हें महीन अवसादों से ढके मैदान मानें।

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मध्य महासागरीय कटक क्या होता है?

What is a mid-oceanic ridge?

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Correct Answer

A. समुद्र तल पर लंबी पर्वत श्रृंखलाA long mountain chain on the ocean floor

Step 1

Concept

A mid-oceanic ridge is a long mountain-like rise on the ocean floor. For exams, link it with plate tectonics.

Step 2

Why this answer is correct

The correct answer is A. समुद्र तल पर लंबी पर्वत श्रृंखला / A long mountain chain on the ocean floor. A mid-oceanic ridge is a long mountain-like rise on the ocean floor. For exams, link it with plate tectonics.

Step 3

Exam Tip

मध्य महासागरीय कटक समुद्र तल पर लंबी पर्वत श्रृंखला जैसा उभार होता है। परीक्षा में इसे प्लेट विवर्तनिकी से जोड़ें।

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महासागरीय गर्त की मुख्य विशेषता क्या है?

What is the main feature of an ocean trench?

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Correct Answer

B. बहुत गहरा और संकरा अवसादVery deep and narrow depression

Step 1

Concept

Ocean trenches are among the deepest narrow parts of the ocean floor. For exams, connect them with convergent plate boundaries.

Step 2

Why this answer is correct

The correct answer is B. बहुत गहरा और संकरा अवसाद / Very deep and narrow depression. Ocean trenches are among the deepest narrow parts of the ocean floor. For exams, connect them with convergent plate boundaries.

Step 3

Exam Tip

महासागरीय गर्त महासागर तल के सबसे गहरे संकरे भागों में होते हैं। परीक्षा में इन्हें अभिसारी प्लेट सीमाओं से जोड़ें।

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समुद्री टीला किसे कहते हैं?

What is a seamount?

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Correct Answer

A. समुद्र तल से ऊपर उठी जलमग्न पर्वत जैसी आकृतिA submerged mountain-like feature rising from ocean floor

Step 1

Concept

A seamount is an underwater mountain that does not reach the sea surface. For exams, remember it as a submerged mountain.

Step 2

Why this answer is correct

The correct answer is A. समुद्र तल से ऊपर उठी जलमग्न पर्वत जैसी आकृति / A submerged mountain-like feature rising from ocean floor. A seamount is an underwater mountain that does not reach the sea surface. For exams, remember it as a submerged mountain.

Step 3

Exam Tip

समुद्री टीला समुद्र के भीतर उठा हुआ पर्वत होता है जो सतह तक नहीं पहुंचता। परीक्षा में इसे जलमग्न पर्वत याद रखें।

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यदि समुद्री टीला समुद्र सतह से ऊपर निकल आए तो वह क्या बन सकता है?

If a seamount rises above sea level, what can it become?

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Correct Answer

A. समुद्री द्वीपOceanic island

Step 1

Concept

A seamount can appear as an island if it rises above sea level. For exams, remember the difference between submerged and emergent forms.

Step 2

Why this answer is correct

The correct answer is A. समुद्री द्वीप / Oceanic island. A seamount can appear as an island if it rises above sea level. For exams, remember the difference between submerged and emergent forms.

Step 3

Exam Tip

समुद्री टीला सतह से ऊपर आने पर द्वीप के रूप में दिख सकता है। परीक्षा में जलमग्न और उभरे हुए रूप का अंतर याद रखें।

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गायोट किस प्रकार की आकृति है?

What type of feature is a guyot?

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Correct Answer

B. समतल शीर्ष वाला जलमग्न समुद्री पर्वतFlat-topped submerged seamount

Step 1

Concept

A guyot is a flat-topped submerged seamount. For exams, treat a guyot as a special type of seamount.

Step 2

Why this answer is correct

The correct answer is B. समतल शीर्ष वाला जलमग्न समुद्री पर्वत / Flat-topped submerged seamount. A guyot is a flat-topped submerged seamount. For exams, treat a guyot as a special type of seamount.

Step 3

Exam Tip

गायोट समतल शीर्ष वाला जलमग्न समुद्री पर्वत होता है। परीक्षा में गायोट को समुद्री टीले का विशेष रूप मानें।

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महाद्वीपीय उभार किसके आधार पर पाया जाता है?

At the base of which feature is the continental rise found?

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Correct Answer

A. महाद्वीपीय ढालContinental slope

Step 1

Concept

The continental rise forms at the base of the slope due to sediment deposition. For exams, remember it as the area between slope and deep plain.

Step 2

Why this answer is correct

The correct answer is A. महाद्वीपीय ढाल / Continental slope. The continental rise forms at the base of the slope due to sediment deposition. For exams, remember it as the area between slope and deep plain.

Step 3

Exam Tip

महाद्वीपीय उभार ढाल के निचले भाग में अवसादों के जमाव से बनता है। परीक्षा में इसे ढाल और गहरे मैदान के बीच का क्षेत्र याद रखें।

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महासागरीय तल पर सबसे गहरा ज्ञात क्षेत्र किस प्रकार की आकृति में पाया जाता है?

The deepest known areas of the ocean floor are found in which type of feature?

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Correct Answer

B. महासागरीय गर्तOcean trench

Step 1

Concept

The deepest oceanic parts are generally found in trenches. For exams, remember the Mariana Trench as an example.

Step 2

Why this answer is correct

The correct answer is B. महासागरीय गर्त / Ocean trench. The deepest oceanic parts are generally found in trenches. For exams, remember the Mariana Trench as an example.

Step 3

Exam Tip

सबसे गहरे महासागरीय भाग सामान्यतः गर्तों में पाए जाते हैं। परीक्षा में मारियाना गर्त को उदाहरण की तरह याद रखें।

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