Advertisements
Advertisements
प्रश्न
Complete the statement by choosing correct options from below .
Evolution means -- -- -- --.
पर्याय
Gene
Mutation
Translocation
Transcription
Gradual development
Appendix
उत्तर
Evolution means gradual development.
APPEARS IN
संबंधित प्रश्न
"We cannot pass on to our progeny the experiences and qualifications earned during our life time". Justify the statement giving reason and examples.
Write the contribution of Charles Darwin in the field of 'evolution.'
Why are traits acquired during the life-time of an individual not inherited?
Explain how, characteristics (or traits) are inherited through genes.
A black mouse mates with a brown mouse, and all the offsprings are black.
(a) Why are no brown offsprings produced?
(b) If two of the black offsprings mate with each other what kind of offspring would you expect and in what proportions? Give reason for your answer.
State one characteristic which shows that the birds are very closely related to dinosaurs.
Match the terms given in column I with those given in column II :
| Column I | Column II |
| (1) Fossil | (a) A famous evolutionist |
| (2) A theory of evolution | (b) Survival of the fittest |
| (3) Probable ancestor of birds | (c) Petrified remains of prehistoric life |
| (4) Charles Darwin | (d) Father of genetics |
| (5) Gregor Mendel | (e) Archaeopteryx |
Explain the terms 'analogous organs' and 'homologous organs' with examples.
Read the following statement and justify the same in your own words with the help of suitable examples.
Study of fossils is an important aspect of study of evolution.
List two differences between acquired traits and inherited traits by giving an example of each.
Very short answer question.
Define Organic evolution.
Short answer question.
Draw a graph to show that natural selection leads to disruptive change.
The first systematic explanation of the concept of evolution was given by ______.
Transfer of a part of chromosome or set of genes to a non-homologous chromosome is called ________.
Explain stabilizing, directional and disruptive selection with examples.
Which of the following is the correct pair?
Variations during mutations of meiotic recombinations are ______.
Define the following term:
Evolution
