C. महाद्वीपों के अलग होने से/By separation of continents
Step 1
Concept
According to Wegener an ocean formed as continents moved apart. Exam tip: link the Atlantic with separation.
Step 2
Why this answer is correct
The correct answer is C. महाद्वीपों के अलग होने से / By separation of continents. According to Wegener an ocean formed as continents moved apart. Exam tip: link the Atlantic with separation.
Step 3
Exam Tip
वेगनर के अनुसार महाद्वीपों के दूर जाने से उनके बीच महासागर बना। परीक्षा में अटलांटिक को अलगाव से जोड़ें।
D. वह पर्याप्त शक्तिशाली गति का कारण नहीं समझा पाया/He could not explain a sufficiently powerful cause of movement
Step 1
Concept
The forces suggested by Wegener were not considered enough to move continents. Exam tip: mention weak mechanism in criticism.
Step 2
Why this answer is correct
The correct answer is D. वह पर्याप्त शक्तिशाली गति का कारण नहीं समझा पाया / He could not explain a sufficiently powerful cause of movement. The forces suggested by Wegener were not considered enough to move continents. Exam tip: mention weak mechanism in criticism.
Step 3
Exam Tip
वेगनर द्वारा बताए गए बल महाद्वीपों को खिसकाने के लिए पर्याप्त नहीं माने गए। परीक्षा में सिद्धांत की आलोचना में कारण की कमजोरी लिखें।
A. एक जैसे जीवाश्म दूर महाद्वीपों पर मिलना/Similar fossils found on distant continents
Step 1
Concept
Similar fossils suggest that landmasses may once have been connected. Exam tip: fossils show former land connection.
Step 2
Why this answer is correct
The correct answer is A. एक जैसे जीवाश्म दूर महाद्वीपों पर मिलना / Similar fossils found on distant continents. Similar fossils suggest that landmasses may once have been connected. Exam tip: fossils show former land connection.
Step 3
Exam Tip
एक जैसे जीवाश्म बताते हैं कि वे भूभाग कभी जुड़े हो सकते थे। परीक्षा में जीवाश्म को भूभाग के पुराने संपर्क का प्रमाण समझें।
B. उत्तरी अमेरिका यूरेशिया और ग्रीनलैंड/North America Eurasia and Greenland
Step 1
Concept
Laurasia was the northern part of Pangaea. Exam tip: link it with northern landmasses.
Step 2
Why this answer is correct
The correct answer is B. उत्तरी अमेरिका यूरेशिया और ग्रीनलैंड / North America Eurasia and Greenland. Laurasia was the northern part of Pangaea. Exam tip: link it with northern landmasses.
Step 3
Exam Tip
लॉरेशिया पैंजिया का उत्तरी भाग था। परीक्षा में इसे उत्तरी भूभागों से जोड़ें।
D. महाद्वीपों की पुरानी स्थिति/Past positions of continents
Step 1
Concept
Ancient climate signs suggest continents were once at different latitudes. Exam tip: link climatic evidence with former positions.
Step 2
Why this answer is correct
The correct answer is D. महाद्वीपों की पुरानी स्थिति / Past positions of continents. Ancient climate signs suggest continents were once at different latitudes. Exam tip: link climatic evidence with former positions.
Step 3
Exam Tip
प्राचीन जलवायु के निशान बताते हैं कि महाद्वीप पहले अलग अक्षांशों पर रहे होंगे। परीक्षा में जलवायु प्रमाण को पुराने स्थान से जोड़ें।
A. एक पुराने संयुक्त हिमाच्छादन का/An old common glaciation
Step 1
Concept
Glacial striations show that these areas were once glaciated together. Exam tip: connect striations with glacier direction.
Step 2
Why this answer is correct
The correct answer is A. एक पुराने संयुक्त हिमाच्छादन का / An old common glaciation. Glacial striations show that these areas were once glaciated together. Exam tip: connect striations with glacier direction.
Step 3
Exam Tip
हिमानी खरोंचें बताती हैं कि ये भाग कभी एक साथ हिम से ढके थे। परीक्षा में खरोंचों को हिमनद की दिशा से जोड़ें।
B. अफ्रीका और दक्षिण अमेरिका/Africa and South America
Step 1
Concept
The west coast of Africa and east coast of South America show clear similarity. Exam tip: treat it as map-based evidence.
Step 2
Why this answer is correct
The correct answer is B. अफ्रीका और दक्षिण अमेरिका / Africa and South America. The west coast of Africa and east coast of South America show clear similarity. Exam tip: treat it as map-based evidence.
Step 3
Exam Tip
अफ्रीका के पश्चिमी तट और दक्षिण अमेरिका के पूर्वी तट में स्पष्ट समानता है। परीक्षा में इसे मानचित्र आधारित प्रमाण समझें।