Which gas is essential for

Consider the following countries:

1.Azerbaijan

2.Turkmenistan

3.Armenia

4.China

5.India

6.Iran

'Jaldost Airboat' has been launched recently by whom?

Consider the following statements regarding Badis species:

1.  It is a freshwater fish species found in Nagaland

With whom will NPCI International Payments Limited tie up for cross border transactions?

L'Oreal Paris has appointed which Bollywood actress as its new global brand ambassador?

With reference to semi-conductors in India, consider the following statements:

Consider the following:

1.   Birds

2.   Dust blowing

3.  Rain

4.  Wind blowing

Which of the above spread plant diseases?

Goran Ghat pass is located in Rajasthan, it connects Udaipur with ______________

When did India's presidency of the G20 forum begin?

Which satellite was recently re-entered into Earth's atmosphere by ISRO (Indian Space Research Organisation)?