International News-Miscellaneous [Current Affairs]: Questions 1 - 2 of 12
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Question 1
Question MCQ▾
Which of the following factors is/are responsible for rifting of Africa՚s plates?
1. The three plates- the Nubian African Plate, Somalian African Plate and Arabian Plate - are separating at different speeds.
2. The Arabian Plate is moving away from Africa at a rate of about an inch per year, while the two African plates are separating even slower, between half an inch to 0.2 inches per year.
Choices
Choice (4) | Response | |
---|---|---|
a. | Only 1 | |
b. | Only 2 | |
c. | Both a. and b. are correct | |
d. | Question does not provide sufficient data or is vague |
Question 2
Question MCQ▾
Consider the following statements about Quasi Crystals.
1. Quasicrystals are fascinating materials that possess a unique combination of properties. They are a testament to the beauty and power of irregularity in the natural world.
2. They are used in manufacturing non-stick frying pans, needles for acupuncture and surgery, dental instruments and razor blades.
3. The discovery of quasicrystals was made by American- Israeli scientist Dan Shechtman in 1982 in the lab. Dan Shechtman received the 2011 Nobel Prize in Chemistry for discovering quasicrystals.
Which of these statement (s) is/are incorrect?
Choices
Choice (4) | Response | |
---|---|---|
a. | 3 only | |
b. | 2 and 3 | |
c. | 1 and 2 | |
d. | None of the above |