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 |
 65%
From NCERT
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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 |
 71%
From NCERT
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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 |
 59%
From NCERT
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Which of the following statements is true?

(1) A British scientist created the conditions proposed by Oparin and Haldane in a closed flask with temperature of 800 degree Celsius in electric discharge along with gases methane, hydrogen, ammonia and water vapour and observed formation of amino acid.

(2) Some similar experimental setups were also prepared by other scientists and formation of sugar, nitrogenous bases, Pigments and Fats was recorded.

(3) The processes of chemical evolution were occurring elsewhere in space was concluded by the analysis of content of gaseous cloud.

(4) The first self replicating metabolic capsule of life arose 3 billion years back.

Subtopic:  Urey & Miller Experiment |
From NCERT
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The first form of life were not

(1) Single cells

(2) in water environment only

(3) originated till about 2000 million years ago

(4) Both A and B

Subtopic:  Origin of Life: Chemical Evolution: 1 | Origin of Life |
 68%
From NCERT
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According to theory of special creation which one is wrong?

(1) All living organisms were created as such

(2) Diversity was same since the creation.

(3) Diversity will increase as the changes in the environment come.

(4) The Earth is about 4000 years ago.

Subtopic:  Other Theories of Origin of Life |
 78%
From NCERT
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Which of the following conclusions is of palentological evidences for evolution?

(1) A study of fossils in different sedimentary layers indicates the geological period in which they existed

(2) The new life forms have arisen at same time in the history of Earth

(3) Fossils are remains of hard parts of rocks showing the presence bof carbon in life forms

(4) Both B and C

Subtopic:  Palentological Evidences of Evolution |
 76%
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The embryological support for evolution was disproved by whose keen observations?

(1) Karl Ernst Von Baer

(2) Ernst Heckel

(3) Charles Darwin

(4) Alfred Wallace

Subtopic:  Embryological Evidence of Evolution |
 80%
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Arrange the following in the order of their existence during the history of life forms: a)Stegosaurus, b)Brachiosaurus, c)Triceratops, d)Tyrannosaurus, e)Pteranodon, f)Crocodilian, g)Archaeopteryx.

(1) b)-a)-g)-f)-e)-d)-c)

(2) e)-b)-g)-a)-f)-c)-d)

(3) g)-a)-f)-b)-e)-d)-c)

(4) c)-a)-f)-g)-d)-e)-b)

Subtopic:  Palentological Evidences of Evolution |
 61%
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Tyrannosaurs was not present with which of the following Dinosaurs?

(1) Triceratops

(2) Archaeopteryx

(3) Pteranodon

(4) Brachiosaurus

Subtopic:  Palentological Evidences of Evolution |
 52%
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