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प्रश्न
List out the major gases that seem to be found in the primitive earth.
उत्तर
CO2, NH3, UV, and Water vapour.
संबंधित प्रश्न
State the theory of Biogenesis. How does Miller’s experiment support this theory?
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
Explain the term chemogeny
Define biogenesis.
Answer the following question.
State two postulates of Oparin and Haldane with reference to the origin of life.
Multiple choice question.
The sequence of origin of life may be-
Multiple choice question.
Archaeopteryx is known as missing link because it is a fossil and share characters of both
Multiple choice question.
Which of the following characteristic is not shown by the ape?
Multiple choice question.
______ can be considered as a connecting link between ape and man.
Multiple choice question.
The cranial capacity of Neanderthal man was
The forelimbs of bat and human are examples of ______ organs.
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.
The first life on earth originated ____________.
"Continually of germplasm" theory was given by ______.
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 |
According to one of the most widely accepted theories, earth's atmosphere before origin of life consists of a mixture of ______.
Explain how did the experiment conducted by S.L. Miller substantiate that life evolved from preexisting nonliving organic molecules.
