Which mammals have the ability to fly?

What was the ancient name of Patna?

Which is the longest river in the world?

Which planet is known as the "Red Planet"?

Which is the national river of India?

Which organ pumps blood?

How many kidneys do humans have?

Who built Taj Mahal?

Who is the first Mughal ruler of India?

Which vegetable should be eaten to improve eyesight?

What is the name of the fruit that monkeys eat?

India shares its boundaries with how many countries?

What is the percentage of nitrogen present in the atmosphere?

Which phenomenon is responsible for the blue colour of the sky?

The lowermost layer of the atmosphere is called?

Who gave the slogan “Give me blood, I will give you freedom”?

Who is called the “Iron Man of India”?

Where is Sanchi Stupa located?

Lemons and oranges are rich in which vitamin?