Class 11 Geography - Water (Oceans) - Temperature and salinity of ocean waters Medium Quiz

Level 15 • 2/50 questions • 35 seconds per question.

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पृथ्वी पर स्थायी महासागर बनने के लिए वर्षा के अलावा कौन सी शर्त जरूरी थी?

Besides rainfall what condition was necessary for permanent oceans to form on Earth?

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Correct Answer

A. सतह का पर्याप्त ठंडा और ठोस होनाSurface becoming sufficiently cool and solid

Step 1

Concept

Rainwater could remain only on a cool and solid surface. Exam tip: remember surface condition for water accumulation.

Step 2

Why this answer is correct

The correct answer is A. सतह का पर्याप्त ठंडा और ठोस होना / Surface becoming sufficiently cool and solid. Rainwater could remain only on a cool and solid surface. Exam tip: remember surface condition for water accumulation.

Step 3

Exam Tip

वर्षा जल तभी टिक सकता था जब सतह ठंडी और ठोस हो। परीक्षा में जल संचय के लिए सतह की दशा याद रखें।

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प्रारंभिक पृथ्वी पर जलवाष्प से वर्षा बनने के बाद भी महासागर तुरंत आधुनिक जैसे क्यों नहीं थे?

Why were oceans not immediately like modern oceans after water vapour changed into rain on early Earth?

Explanation opens after your attempt
Correct Answer

A. रासायनिक संरचना और सतही दशाएँ अभी बदल रही थींChemical composition and surface conditions were still changing

Step 1

Concept

Early oceans and atmosphere continued to change gradually. Exam tip: treat early systems as unstable and evolving.

Step 2

Why this answer is correct

The correct answer is A. रासायनिक संरचना और सतही दशाएँ अभी बदल रही थीं / Chemical composition and surface conditions were still changing. Early oceans and atmosphere continued to change gradually. Exam tip: treat early systems as unstable and evolving.

Step 3

Exam Tip

प्रारंभिक महासागर और वातावरण दोनों क्रमिक रूप से बदलते रहे। परीक्षा में प्रारंभिक प्रणालियों को अस्थिर और विकासशील मानें।

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