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

Q1. Recently seen in news Vanuatu island nation is situated in the

1. Pacific Ocean
2. Indian Ocean
3. Atlantic Ocean
4. Arctic Ocean

Answer (a)

Explanation:

Q2. Consider the following statements about the Pusa decomposer

1. It is quick composting solution
2. It is based on bacterial culture

Which of the statements given above is/are incorrect?

1. 1 only
2. 2 only
3. Both 1 and 2
4. Neither 1 nor 2

Answer (b)

Explanation:

Q3. Consider the following statements about the Mycorrhizae

1. Mycorrhizae are a symbiotic association between plant roots and fungi
2. Their major role is to enhance nutrient and water uptake by the host plant

Which of the statements given above is/are correct?

1. 1 only
2. 2 only
3. Both 1 and 2
4. 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)

1. Small Island Developing States (SIDS) are spread across the three geographical regions
2. 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. 1 only
2. 2 only
3. Both 1 and 2
4. 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?

1. Make lights for businesses and shops
2. To make gas lasers for chip manufacturing
3. To make Television tubes
4. As cryogenic refrigerant

Select the correct answer from the codes given below

1. 1, 2 and 3
2. 2, 3 and 4
3. 1, 2 and 4
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.