The origin and evolution of the Earth

What is the distance between the earth and the sun?

• 149.6 million kms

• 15.98 million kms

• 169.34 million kms

• 179.67 million kms

Life in earth appeared around how many years before the present?

• 13.7 billion

• 4.6 billion

• 3.8 billion

• 3.8 milion

The localised lumps of gas within a nebula are:

• Moon

• Stars

• Planets

• Sun

Which expert gave the nebular hypothesis?

• Immanuel Kant

• Laplace

• Chamberlain

• Moulton

Which of the following is not an inner planet?

• Jupiter

• Mercury

• Venus

• Earth

Which of the following figures represents the age of the earth?

• 4.6 million years

• 4.6 billion years

• 13.7 billion years

• 13.7 trillion years

Which of the following has the longest duration?

• Eons

• Era

• Period

• Epoch

The composition of atmosphere was modified by the living world through the process of:

• Weathering

• Evapo-transpiration

• Photosynthesis

• Solidification

Which theory is mostly accepted regarding origin of the universe at present?

• Collision hypothesis

• Big Bang theory

• Nebular hypothesis

• Binary theory

By which theory is the terrestrial planets formed?

• Rocks and metals

• Hydrogen and helium

• Liquid elements

• All the above