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प्रश्न
The first life on earth originated ____________.
पर्याय
in air
on land
in water
on mountain
उत्तर
The first life on earth originated in water.
संबंधित प्रश्न
State the theory of Biogenesis. How does Miller’s experiment support this theory?
What is protobiogenesis?
Rearrange the human activities mentioned below as per the order in which they developed after the modern Homo sapiens came into existence during ice age:
(i) Human settlement
(ii) Prehistoric cave art
(iii) Agriculture
Define biogenesis.
What is the difference between the teeth of apes and the teeth of man?
Multiple choice question.
The sequence of origin of life may be-
Multiple choice question.
______ can be considered as a connecting link between ape and man.
The homologous organs look similar and perform similar functions but they have different origin and developmental pattern.
Higher Order Thinking Skill (HOT)
Octopus, cockroach and frog all have eyes. Can we group these animals together to establish a common evolutionary origin. Justify your answer.
Evolution was termed RNA world due to the discovery of:
The primary gases that were used by Miller in his experiment are ______.
Oparin's theory is based on
The theory of spontaneous generation stated that ______.
Match the scientists listed under column ‘I’ with ideas listed column ‘II.
Column I | Column II |
A. Darwin | i. abiogenesis |
B. Oparin | ii. use and disuse of organs |
C. Lamarck | iii.continental drift theory |
D. Wagner | iv. evolution by natural selection |
In 1953 S. L. Miller created primitive earth conditions in the laboratory and gave experimental evidence for origin of first form of life from pre-existing non-living organic molecules. The primitive earth conditions created include ______.
Louis Pasteur’s experiments, if you recall, proved that life can arise from only pre-existing life. Can we correct this as life evolves from pre-existent life or otherwise we will never answer the question as to how the first forms of life arose? Comment.
Why is nascent oxygen supported to be toxic to aerobic life forms?
According to one of the most widely accepted theories, earth's atmosphere before origin of life consists of a mixture of ______.
How does the water come out through the surface of porous earthen pot?