STD 8 Th Geography
सूचना- सदर प्रश्नपत्रिका निगेटिव्ह मार्किंग सिस्टीम असून प्रत्येक प्रश्न काळजीपूर्वक सोडवावा, वेळेची मर्यादा नाही
- 1.
Which one do you like? प्रश्न १ ला अ ) रिकाम्या जागा भरा . १ )पृथ्वी उष्ण ........... गोळ्याच्या स्वरूपात होती.
- A.
१ ) स्थायुरूप
- B.
२ )वायुरूप
- C.
३ ) द्रवरूप
Correct Answer
B. २ )वायुरूपExplanation
The correct answer is "वायुरूप" because the question is asking about the form or state of the Earth in terms of its temperature, and "वायुरूप" means "gaseous form" or "in the form of gas". This is a suitable answer as the Earth's atmosphere is primarily composed of gases.Rate this question:
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- 2.
२ )लाव्हारस थंड झाल्यावर त्या पासून ........ खडक तयार होतात.
- A.
१ ) उष्णजन्य
- B.
२ ) शितजन्य
- C.
३ )अग्निजन्य
Correct Answer
C. ३ )अग्निजन्यExplanation
The correct answer is "अग्निजन्य" because when lava cools down, it solidifies and forms rocks. This process is similar to how molten lava from a volcano cools and hardens to form solid rocks. Therefore, when lava becomes cold, it creates rocks.Rate this question:
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- 3.
३ )ज्वालामुखी उद्रेकातून बाहेर येणारा लावारस ........ असतो
- A.
१ )तप्त
- B.
२ )शित
- C.
३ ) उष्ण
Correct Answer
A. १ )तप्तExplanation
The correct answer is "तप्त" because a volcano erupts with hot lava, which is indicated by the word "तप्त" meaning hot.Rate this question:
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- 4.
४ )भूपृष्ठापासून गाभ्याकडे होणाऱ्या बदलात प्रामुख्याने ........... , घनता यांचा समावेश होतो
- A.
१ ) वातावरण
- B.
२ ) द्रव
- C.
३ )तापमान
Correct Answer
C. ३ )तापमानExplanation
The correct answer is "तापमान" because the question is asking about the main factor that affects the density of air moving from the Earth's surface to the atmosphere. Temperature is a major factor that affects the density of air. As temperature increases, the air molecules gain more energy and move faster, causing them to spread out and decrease in density. Therefore, temperature plays a significant role in determining the density of air.Rate this question:
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- 5.
५ )पृथ्वीची निर्मिती सुमारे ........... कोटी वर्षांपूर्वी झाली
- A.
१ )४६०
- B.
२ )४७०
- C.
३ ) ४८०
Correct Answer
A. १ )४६० -
- 6.
६ )पृथ्वीला प्रथम .......... अवस्था प्राप्त झाली.
- A.
१ )द्रवरूप
- B.
२ ) स्थायुरूप
- C.
३ ) वायुरूप
Correct Answer
A. १ )द्रवरूपExplanation
The correct answer is "१ )द्रवरूप" because the word "प्राप्त" suggests that the Earth has attained a certain state or condition. The word "द्रवरूप" means liquid or fluid form, indicating that the Earth has transitioned into a liquid state. This explanation aligns with the given question and options.Rate this question:
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- 7.
७ )पृथ्वीच्या सर्वात बाह्य भाग प्रथम थंड झाल्याने त्या भागाला ......... अवस्था प्राप्त झाली.
- A.
१ )घनरुप
- B.
२ ) स्थायुरूप
- C.
३ ) वायुरूप
Correct Answer
A. १ )घनरुपExplanation
The correct answer is १ )घनरुप. The question states that the outermost part of the earth became cold first, indicating a change in its state. The term "घनरुप" refers to the solid state, which is characterized by a fixed shape and volume. Therefore, it can be inferred that the outermost part of the earth attained a solid state when it became cold.Rate this question:
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- 8.
८ )सूर्यमालेतील ......... ग्रह वायुरूप अवस्थेत आहेत
- A.
१ ) अंतर
- B.
२ )बाह्य
- C.
३ ) मध्य
Correct Answer
B. २ )बाह्यExplanation
The correct answer is "बाह्य" because the word "सूर्यमालेतील" suggests that the question is asking about the position or state of a planet in relation to the sun. The word "बाह्य" means "external" or "outer", indicating that the planet is in an outer position or state in relation to the sun.Rate this question:
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- 9.
९ )पृथ्वीच्या सर्वात वरचा भाग हा घनरूप असून तो .......... म्हणून ओळखला जातो.
- A.
१ )भुकवच
- B.
२ ) प्रावरण
- C.
३ ) गाभा
Correct Answer
A. १ )भुकवचExplanation
The correct answer is "भुकवच". The reason for this is that the question is asking for the part of the Earth that is the densest. "भुकवच" means dense, so it is the correct answer.Rate this question:
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- 10.
१० )भूकवचाची खंडाखालील जाडी ....... ते ........ किमी च्या दरम्यान आहे
- A.
१ ) १६ ते ४४
- B.
२ )१६ ते ४६
- C.
३ )१६ ते ४५
Correct Answer
C. ३ )१६ ते ४५Explanation
The given statement is asking for the range between two numbers. The range is calculated by subtracting the smaller number from the larger number. In this case, the larger number is 45 and the smaller number is 16. Therefore, the range between the two numbers is 45 - 16 = 29.Rate this question:
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- 11.
११ )भूपृष्ठाखाली जसजसें खोल जावे तसतसे ............ वाढत जाते.
- A.
१ )तापमान
- B.
२ ) कवच
- C.
३ ) जाडी
Correct Answer
A. १ )तापमानExplanation
The correct answer is "१ )तापमान" because the sentence is talking about something that increases as something else decreases. In this case, as the temperature (तापमान) decreases, the coldness (जाडी) increases.Rate this question:
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- 12.
१२ )भुकवच हे ......... व गाभा यांच्या तुलनेत अतिशय कमी जाडीचे आहे
- A.
१ ) अंतर्गाभा
- B.
२ )प्रावरण
- C.
३ ) बाह्यगाभा
- D.
Option 4
Correct Answer
B. २ )प्रावरणExplanation
The given question is asking for the term that describes Bhukvach as having significantly less heat compared to Gaba. The correct answer is "प्रावरण" which means "insulation" in English. This term suggests that Bhukvach has better insulation properties, resulting in less heat transfer.Rate this question:
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- 13.
१३ ) भूखंड प्रामुख्याने .......... व अल्युमिनियम या मूलद्रव्यानी बनलेले आहे
- A.
१ )सिलिका
- B.
२ ) ग्रॅनाईट
- C.
३ ) सियाल
Correct Answer
A. १ )सिलिकाExplanation
The given answer is "१ )सिलिका". This is because silica is the main component of both glass and aluminum, which are mentioned in the question as "व अल्युमिनियम या मूलद्रव्यानी बनलेले आहे" (made from glass and aluminum). Therefore, the correct answer is silica.Rate this question:
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- 14.
१४ )भूकंपाच्या .......... गाभा क्षेत्रातून प्रवास करू शकत नाहीत.
- A.
१ ) प्रथम लहरी
- B.
२ ) प्राथमीक लहरी
- C.
३ )दुय्यमलहरी
Correct Answer
C. ३ )दुय्यमलहरी -
- 15.
१५ )............... उच्च प्रावरण व निम्न प्रावरण असे दोन उपविभाग केले जातात.
- A.
१ ) वातावरणाचे
- B.
२ )प्रावरणाचे
- C.
३ ) जलावरणाचे
Correct Answer
B. २ )प्रावरणाचेExplanation
The correct answer is २) प्रावरणाचे. This is because the question is asking about two subcategories of प्रावरण (environment). The options given are वातावरणाचे (of the atmosphere), प्रावरणाचे (of the environment), and जलावरणाचे (of water bodies). Since the question is not specific about the type of environment being referred to, the correct answer is the general category of प्रावरणाचे (of the environment).Rate this question:
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- 16.
१६ ) पृथ्वीच्या अंतरंगातील ........... द्रवरूप पदार्थाचा बनलेला आहे
- A.
१ )बाह्यगाभा
- B.
२ ) मध्यगाभा
- C.
३ ) अंतर्गाभा
Correct Answer
A. १ )बाह्यगाभाExplanation
The correct answer is "बाह्यगाभा" because the question is asking about the substance formed in the outer core of the Earth. "बाह्यगाभा" translates to "outer core" in English, which is the correct answer.Rate this question:
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- 17.
१७ )भूपृष्ठापासून सुमारे ....... किलो मीटर खोलीनंतर प्रावरण सुरुवात होते.
- A.
१ ) ४३
- B.
२ ) ४४
- C.
३ ) ४२
Correct Answer
C. ३ ) ४२ -
- 18.
१८ ) प्रावरणाची खोली ......... किलोमीटर असावे असा शास्त्रीय अंदाज आहे
- A.
१ ) २८७०
- B.
२ ) २८७९
- C.
३ ) २८७६
Correct Answer
A. १ ) २८७०Explanation
The correct answer is १ ) २८७०. This is because the phrase "प्रावरणाची खोली ......... किलोमीटर असावे असा शास्त्रीय अंदाज आहे" suggests that the missing number should be in kilometers. Among the given options, २८७० is the only number in kilometers.Rate this question:
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- 19.
१९ )भूपृष्टापासून सुमारे ......... किलोमीटर खोलीच्या खाली गाभ्याचा भाग सुरु होतो
- A.
१ ) २९०२
- B.
२ )२९००
- C.
३ ) २९०१
Correct Answer
B. २ )२९०० -
- 20.
२० )पृथ्वीवर निर्माण झालेल्या ......... क्षेत्राचा चुंबकावरण असे म्हणतात.
- A.
१ )चुंबकीय
- B.
२ ) जनित्र
- C.
३ )चुंबक
Correct Answer
A. १ )चुंबकीयExplanation
The correct answer is "चुंबकीय". The question is asking for the term used to describe the magnetic field of the Earth. "चुंबकीय" is the adjective form of "चुंबक" which means magnetic. Therefore, "चुंबकीय" is the correct term to describe the magnetic field of the Earth.Rate this question:
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