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प्रश्न
Write the names of at least three inorganic molecules which helped in the origin of life on the earth.
उत्तर
Methane, ammonia and hydrogen sulphide are three inorganic molecules, which helped in the origin of life on the earth.
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संबंधित प्रश्न
Planaria, insects, octopus and vertebrates all have eyes. Can we group eyes of these animals together to establish a common evolutionary origin? Justify your answer.
Fill in the following blank with suitable word :
The evolution of eye is an example of evolution by ............
What evidence do we have for the origin of life from inanimate matter (lifeless matter)
Name the scientist who gave the theory of origin of life on earth. What is this theory?
What do you understand by the term 'evolution'?
State Darwin's theory of evolution.
Select the incorrect statement from the following :
(a) frequency of certain genes in a population changes over several generations resulting in evolution
(b) reduction in the weight of an organism due to starvation is genetically controlled
(c) low weight parents can have heavy weight progeny
(d) traits which are not inherited over generations do not cause evolution.
Evolution of wild cabbage is an example of ______.
The process of selecting individuals with desired characters by man is called ______
In human beings, the statistical probability of getting either a male or female child is 50 : 50. Give a suitable explanation.
