1. Dhawan-I and Dhawan-II are often seen in news, these are:
[A] Drones
[B] Cryogenic engines
[C] Man Portable Air Defence System
[D] None of the above
Show Answer
Correct Answer: B [Cryogenic engines]
Notes:
Dhawan-I and Dhawan-II are cryogenic engines that have been in the news. The Dhawan-I was India’s first privately developed cryogenic engine. It runs on liquefied natural gas (LNG) and liquid oxygen (LOX). The Dhawan-II is a 3D-printed cryogenic engine that was developed by the Indian company Skyroot Aerospace. The Dhawan-II was test-fired for a record 200 seconds. It will be used as the upper stage of the updated version of the Vikram-2.
2. Prosopis chilensis is a:
[A] Aquatic plant tolerant to salty water
[B] Native plant species of South-east India
[C] Drought Resistance plant
[D] Xerophytic plants
Show Answer
Correct Answer: C [Drought Resistance plant]
Notes:- Prosopis chilensis is a drought-resistant plant. It is also commonly known as Chilean mesquite.
- It is a small to medium-sized legume tree.
- It is native to the arid regions of South American countries namely, Argentina, Bolivia, Chile, and Peru.
- Prosopis chilensis is an alien invasive species in the 21 islands divided into the Tuticorin, Vembar, Kilakkarai, and Mandapam groups in the Gulf of Mannar Biosphere Reserve (GoMBR).
3. Consider the following pairs regarding Geographical Indication (GI) tags awarded to Indian traditional products:
- Raktsey Karpo apricot – Sikkim
- Kallakurichi wood carvings – Ladakh
- Karuppur kalamkari paintings – Tamil Nadu
- Dalle Khursani chilli – Nagaland
Which of the pairs given above is / are correctly matched?
[A] Only 1, 3 and 4
[B] Only 3
[C] Only 1 and 2
[D] Only 2
Show Answer
Correct Answer: B [Only 3]
Notes:
Pair 1 is incorrect as Raktsey Karpo apricot is from Ladakh, not Sikkim. Pair 2 is incorrect because Kallakurichi wood carvings belong to Tamil Nadu, not Ladakh. Pair 3 is correct: Karuppur kalamkari paintings are from Tamil Nadu. Pair 4 is wrong—Dalle Khursani chilli is native to Sikkim, not Nagaland.
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