Which of the following produces formic acid?

Mycorrhiza is a symbiotic association between:

Who predicted the existence of the plunging region around black holes?

Consider the following statements about Vyommitra: 

What is the scientific name of rice? 

Which blood group has no antibodies?

What is the SI unit of weight?

Which one of the following gases is considered as atmospheric pollutant –

(a) Ozone (b)

Lecanemab drug is associated with which disease? 

In the context of air pollution measurements, what does "PM2.5" refer to?