No, Moon does not have Air,, and what we call “sound” is actually vibrations in the air. Hence one may be able to hear sound in moon

Q2 Which is the flower of Hinduism?

There is no specific Flower, which is like Flower of Hinduism, Howerver Lotus could be associated to the Hinduism .

According to Hinduism, within each human inhabiting the earth is the spirit of the sacred lotus. It represents eternity, purity and divinity and is widely used as a symbol of life, fertility, ever-renewing youth and to describe feminine beauty, especially the eyes.

Q3 Gaps are left between the Railway lines.Why?

This is so that when the metal tracks expand under the heat of the sun, there is room for expansion and so won’t crack, resulting in crooked or broken railway lines.

Q4) Who is the founder of INA?

If INA you are talking about is Indian National Army was formed under Capt Mohan Singh and existed up to December 1942. For its successor unit formed under Subhas Chandra Bose in 1943 (Honestly speaking this was a new information for me..Source Wikipedia.. )

Q5) Who is the Union health minister?

(To answer this , For Which Country would be my Question), assuming for India its Dr Anbumani Ramadoss(as of 12:02 PM PST 3rd Oct 2007)

Q6) Kshtriyas were otherwise known as?

It is one of the four varnas, or castes, in Hinduism. Traditionally, the ruling or military class belonged to the Kshatriya varna

Q7)Who is the first Muslim women ruler?

Raziya Sultana ruled Delhi in India from 1236 to 1240 is said to be the 1st women Ruler

Q8)*A system of chronology notation reckoned from a given data.

Its Called “An ERA” –

on moon.

2-lotus

3-because the railway tracks are made up of iron and iron expands in winter.

6-slaves

7-RAZIA SULTANA

The others I don’t know. Maybe you can try searching it online