Daily Current Affairs (MCQ's) | 21-11-2022
Daily Current Affairs (MCQ's) | 21-11-2022

Q1. Recently seen in news Vanuatu island nation is situated in the
- Pacific Ocean
- Indian Ocean
- Atlantic Ocean
- Arctic Ocean
Answer (a)
Explanation:
Q2. Consider the following statements about the Pusa decomposer
- It is quick composting solution
- It is based on bacterial culture
Which of the statements given above is/are incorrect?
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
Answer (b)
Explanation:
Q3. Consider the following statements about the Mycorrhizae
- Mycorrhizae are a symbiotic association between plant roots and fungi
- Their major role is to enhance nutrient and water uptake by the host plant
Which of the statements given above is/are correct?
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
Answer (c)
Explanation:
Mycorrhizae are a symbiotic association between plant roots and fungi. Their major role is to enhance nutrient and water uptake by the host plant by exploiting a larger volume of soil than roots alone can do. Mycorrhizae come in a number of forms, dependent upon both host plant and fungal taxonomy.
Q4. Consider the following statements about the Small Island Developing States (SIDS)
- Small Island Developing States (SIDS) are spread across the three geographical regions
- SIDS were recognized as a special case both for their environment and development at the Earth Summit 1992
Which of the statements given above is/are incorrect?
- 1 only
- 2 only
- Both 1 and 2
- Neither 1 nor 2
Answer (d)
Explanation:
Small Island Developing States:
- Small Island Developing States (SIDS) are a distinct group of 38 UN Member States and 20 Non-UN Members/Associate Members of United Nations regional commissions that face unique social, economic and environmental vulnerabilities.
- The three geographical regions in which SIDS are located are: the Caribbean, the Pacific, and the Atlantic, Indian Ocean and South China Sea (AIS).
- SIDS were recognized as a special case both for their environment and development at the 1992 United Nations Conference on Environment and Development held in Rio de Janeiro,Brazil.
- The aggregate population of all the SIDS is 65 million, slightly less than 1% of the world’s population, yet this group faces unique social, economic, and environmental challenges.
Q5. Which of the following are uses of neon gas?
- Make lights for businesses and shops
- To make gas lasers for chip manufacturing
- To make Television tubes
- As cryogenic refrigerant
Select the correct answer from the codes given below
- 1, 2 and 3
- 2, 3 and 4
- 1, 2 and 4
- 1, 2, 3 and 4
Answer (d)
Explanation:
All of the above are uses on neon:
- It is used for manufacturing high-voltage indicators, television tubes, wave meter tubes and lightning arrestors.
- The reddish-orange color emitted from the neon lights are used for advertising purposes.
- It is commercially used as cryogenic refrigerant.
- It is combined with helium to produce helium-neon lasers.