Question : Living organisms have been on Earth for how much per cent of Earth's history?

Option 1: 80%

Option 2: 20%

Option 3: 60%

Option 4: 40%

Question : Which is the most abundant mineral in the Earth's continental crust?

Option 1: Pyroxenes

Option 2: Quartz

Option 3: Feldspar

Option 4: Mica

Question : Which of the following helps keep the Earth's atmosphere in place?

Option 1: The gravitational force of the moon

Option 2: Rotation of the Earth on its axis

Option 3: The gravitational force of the Earth

Option 4: The gravitational force of the Sun

Question : The 'Namami Gange Programme' is an Integrated Conservation Mission approved by the Union Government in:

Option 1: June 2014

Option 2: October 2013

Option 3: January 2014

Option 4: April 2013

Question : Lal Bahadur Shastri was born on ______.

Option 1: 12 October 1904

Option 2: 2 October 1896

Option 3: 2 October 1904

Option 4: 12 October 1869