Q. 81. Which of the following statements about cyclones and anti-cyclones is INCORRECT?
(A) Cyclones are low-pressure systems with inward-spiraling winds that rotate counter-clockwise in the Northern Hemisphere.
(B) Anti-cyclones are high-pressure systems with outward-spiraling winds that rotate clockwise in the Northern Hemisphere.
(C) Cyclones are associated with converging air, rising air masses, and often bring bad weather.
(D) Anti-cyclones are associated with diverging air, sinking air masses, and generally bring clear skies and stable weather.
Answer:
Explanation:
Q. 82. Which of the following geological time periods is correctly matched with its corresponding era?
(A) Jurassic – Cenozoic Era
(B) Cambrian – Paleozoic Era
(C) Triassic – Mesozoic Era
(D) Permian – Cenozoic Era
Answer:
Explanation:
Q. 83. Consider the following statements.
1. India’s first indigenous Fast Breeder Reactor (500 Megawatt) at Kalpakkam, Tamil Nadu. Once commissioned, India will only be the second country after Russia to have commercial operating Fast Breeder Reactor.
2. The Thorium-232, which is itself a fissile material and will be converted into Uranium-233 which will be used as fuel in Third stage.
Which of the above statement(s) is/are incorrect?
(A) only 1
(B) only 2
(C) both
(D) none
Answer:
Explanation:
Q. 84. Consider the following statements.
1. India’s very first exclusive Nano Science institute, the Institute of Nano Science and Technology (INST) is at Chennai
2. Indian Nanoelectronics Users Programme-Idea to Innovation (INUP-i2i) initiated by NITI Ayog
3. Under the Indian Nanoelectronics Users Programme, training workshops are organized on compound semiconductor devices and organic electronics.
Which of the above statement(s) is/are correct?
(A) only 1
(B) 2 and 3
(C) only 3
(D) 1 and 2
Answer:
Explanation:
Q. 85. Consider the following pairs about India’s Nuclear Programme.
i) 1st Stage – Enriched uranium
ii) 2nd Stage – Plutonium Based Fuel
iii) 3rd Stage – Thorium based Fuel
How many of the above pairs is/are correct?
(A) only one
(B) only two
(C) all the three
(D) none
Answer:
Explanation: