Which of the following Vitamins of the ‘B-Complex’ are correctly paired with their respective names?

1. Vitamin B2 - Riboflavin
2. Vitamin B3 - Niacin
3. Vitamin B7 – Biotin
4. Vitamin B12 – Cyanocobalamine

Select the correct answer from the codes given below:

The Oxides of Nitrogen are major reason behind which of the following?

1. Ground level Ozone
2. Ozone Hole
3. Acid Rain

Select the correct option from the codes given below:

 Consider the following statements about the REDD Mechanism:

1. It aims at gross reductions in GHG emissions from deforestation
2. It is a mechanism under the UNFCCC

 Which of the above statements is/are correct?

Gargling with a solution of table salt is known to provide relief for a sore throat because ____ ?

The vegetable oil treated with which among the following halogens makes it an additive, which is used in artificial citrus flavoured aerated drinks to give it the cloudy look, so that consumers get deceived because it appears natural citrus drink?