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Question 146
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 |
Question 147
Question MCQ▾
Consider the following countries:
1. Azerbaijan
2. Kyrgyzstan
3. Tajikistan
4. Turkmenistan
5. Uzbekistan
Which of the above have borders with Afghanistan?
Choices
Choice (4) | Response | |
---|---|---|
a. | 1,2, 3 and 4 only | |
b. | 3,4 and 5 only | |
c. | 1,2 and 5 only | |
d. | Question does not provide sufficient data or is vague |
Question 148
Question MCQ▾
With reference to International Year of Millets, consider the following facts.
1. India՚s proposal to observe an International Year of Millets in 2023 was approved by the Food and Agriculture Organization (FAO) in 2018.
2. The United Nations General Assembly has declared the year 2023 as the International Year of Millets.
3. Millet is a collaborative term referring to a number of periodic grasses that are cultivated as grain crops, primarily on borderline lands in dry areas in temperate, tropical and tropical regions.
Which of these statement (s) is/are incorrect?
Choices
Choice (4) | Response | |
---|---|---|
a. | 2 and 3 | |
b. | 3 only | |
c. | Either 1 or 2 | |
d. | Question does not provide sufficient data or is vague |