Why does it is said that looking at stars on a clear night sky means looking back in time?
A. What we are seeing at that time is actually has stated its journey millions of years back
B. What we are seeing at that time is actually has stated its journey trillions of days back
C. What we are seeing at that time is actually has stated its journey thousands of days back
D. What we are seeing at that time is actually has stated its journey thousands of kilometers away

Subtopic:  Cosmic Evolution |
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Which of the following statements are not true?

(1) The origin of life is considered a unique event in the history of universe.

(2) Earth is just a speck.

(3) Universe is almost 20 million years old

(4) Galaxies contain stars and clouds of gas and dust

Subtopic:  Cosmic Evolution |
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Big Bang theory attempts to explain

(1) The origin of universe

(2) The origin of Earth

(3) The origin of life

(4) The origin of environment

Subtopic:  Cosmic Evolution |
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Which of the following is not true about Big Bang theory?

(1) A singular huge explosion

(2) Universe expanded and temperature came down

(3) Hydrogen and Helium formed alongwith this expansion

(4) The gases condensed under gravitation and formed the galaxies of the present day universe.

Subtopic:  Cosmic Evolution |
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Which of the following is true regarding early earth?

1. Earth was supposed to have been formed about 4.5 billion years back.

2. The atmosphere of early earth was full of water vapour.

3. The surface of earth was covered by water vapour, methane and carbondioxide, the three compounds, formed from molten mass.

4. The UV rays from the sun broke up water into hydrogen and oxygen and lighter oxygen escaped.

Subtopic:  Origin of Life: Chemical Evolution: 1 | Origin of Life |
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…….combined with ….. and….. to form water, CO2 and others.

(1) Oxygen, ammonia and Methane

(2) Hydrogen, ammonia and Methane

(3) Hydrogen, Methane and ammonia

(4) Oxygen, Methane and hydrogen

Subtopic:  Urey & Miller Experiment |
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Which of the following theory is dismissed by Louis Pasteur's Experiment?

(1) Theory of panspermia

(2) Theory of spontaneous generation

(3) Theory of special creation

(4) Catastrophic theory

Subtopic:  Other Theories of Origin of Life |
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Oparin of…… and Haldane of ….. proposed that the first form of life could have come from pre existing …………

(1) Russia, England, non-living inorganic molecules

(2) England, Russia, living organic matter

(3) Russia, England, non-living organic molecules

(4) England, Russia, life

Subtopic:  Origin of Life: Chemical Evolution: 1 | Origin of Life |
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The formation of diverse organic molecules from inorganic molecules was proposed by

(1) L. Miller

(2) Oparin

(3) Haldane

(4) Both B and C

Subtopic:  Origin of Life: Chemical Evolution: 1 | Origin of Life |
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Which of the following conditions was not there in the Earth at  the time of origin of first life form?

(1) High Temperature

(2) Volcanic storms

(3) Reducing atmosphere

(4) Oxygen,Methane and Ammonia in the environment

Subtopic:  Origin of Life: Chemical Evolution: 1 | Origin of Life |
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