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Question 1 of 5
1. Question
2 points
Which among the following regarding the formation of planets is correct?
A. Planestimals are formed by the process of adhesion.
B. The planets are formed by cohesion of large number of planestimals .
C. The jovian planets formed in close vicinity to the sun.
D. The terrestrial planets formed at quite a distance from the sun.
Correct
Correct Answer: D
All the statements are incorrect.
Explanation:
Planestimals are formed by the process of cohesion
The planets are formed by adhesion of large number of planestimals.
The jovian planets formed at quite a distance from the sun.
The terrestrial planets formed close to the sun.
Incorrect
Correct Answer: D
All the statements are incorrect.
Explanation:
Planestimals are formed by the process of cohesion
The planets are formed by adhesion of large number of planestimals.
The jovian planets formed at quite a distance from the sun.
The terrestrial planets formed close to the sun.
Question 2 of 5
2. Question
2 points
Which cosmic background radiation, often considered as a remnant of the Big Bang, provides crucial evidence for the expansion of the universe?
Correct
Correct Answer: C
Microwave radiation
Explanation:
Microwave radiation plays a crucial role in providing evidence for the expansion of the universe through an observation known as the cosmic microwave background radiation (CMB). This phenomenon is a key prediction of the Big Bang theory and has been instrumental in confirming the expanding nature of our universe.
Incorrect
Correct Answer: C
Microwave radiation
Explanation:
Microwave radiation plays a crucial role in providing evidence for the expansion of the universe through an observation known as the cosmic microwave background radiation (CMB). This phenomenon is a key prediction of the Big Bang theory and has been instrumental in confirming the expanding nature of our universe.
Question 3 of 5
3. Question
2 points
Which of the following among the following is right?
A. The homosapiens originated in the Cainozoic era.
B. The paleozoic era is known for the emergence of reptiles and amphibians.
C. The Mesozoic era was the era of dinosaurs
D. The pre-cambrian era is characterized by the appearance of simple life forms, primarily single-celled organisms
Correct
Correct Answer : D
All the statements are correct.
Incorrect
Correct Answer : D
All the statements are correct.
Question 4 of 5
4. Question
2 points
In the context of the Big Bang theory, what does the term “Planck time” refer to?
Correct
Correct Answer: C
The earliest moment after the Big Bang, when the universe’s temperature and density were extremely high.
Explanation :
self- explanatory.
Incorrect
Correct Answer: C
The earliest moment after the Big Bang, when the universe’s temperature and density were extremely high.
Explanation :
self- explanatory.
Question 5 of 5
5. Question
2 points
The formation and dispersal of supercontinents are part of the Earth’s geological history. Which supercontinent existed before the breakup of Pangaea?
Correct
Correct Answer: C
Rodinia
Explanation:
Rodinia was a supercontinent that formed about 1.3 billion years ago. It eventually broke apart around 750 million years ago, leading to the formation of smaller landmasses. One of these fragments was Pannotia, which formed around 600 million years ago and later broke up, with one part becoming Pangaea and the other part becoming Panthalassa, the global ocean. This laid the groundwork for the arrangement of continents as we recognize them today.
Incorrect
Correct Answer: C
Rodinia
Explanation:
Rodinia was a supercontinent that formed about 1.3 billion years ago. It eventually broke apart around 750 million years ago, leading to the formation of smaller landmasses. One of these fragments was Pannotia, which formed around 600 million years ago and later broke up, with one part becoming Pangaea and the other part becoming Panthalassa, the global ocean. This laid the groundwork for the arrangement of continents as we recognize them today.
