Advertisements
Advertisements
प्रश्न
What is protobiogenesis?
उत्तर
The origin of life on the earth is called protobiogenesis.
APPEARS IN
संबंधित प्रश्न
State the theory of Biogenesis. How does Miller’s experiment support this theory?
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.
Higher Order Thinking Skill (HOT)
Arun was playing in the garden. Suddenly he saw a dragon fly sitting on a plant. He observed the wings of it. He thought it looked similar to a wing of a crow. Is he correct? Give reason for your answer.
Evolution was termed RNA world due to the discovery of:
"Continually of germplasm" theory was given by ______.
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 |
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.
Explain how did the experiment conducted by S.L. Miller substantiate that life evolved from preexisting nonliving organic molecules.