Advertisements
Advertisements
प्रश्न
Complete the statement by choosing correct options from below .
Evolution means -- -- -- --.
विकल्प
Gene
Mutation
Translocation
Transcription
Gradual development
Appendix
उत्तर
Evolution means gradual development.
APPEARS IN
संबंधित प्रश्न
Define evolution. How does it occur?
Insects, octopus, planaria and vertebrates possess eyes. Can we group these animals together on the basis of eyes that they possess ? Justify your answer giving reason.
What are the different ways in which individuals with a particular trait may increase in a population?
How are the areas of study – evolution and classification – interlinked?
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.
A gradual change, over a long period, in a form of life is known as :
(a) erosion
(b) evolution
(c) revolution
(d) evaluation
Answer the following question in ‘One’ sentence only:
Define ‘mutation breeding’.
Very short answer question.
Define the Gene pool
Short answer question.
Draw a graph to show that natural selection leads to disruptive change.
Short answer question.
What is disrruptive selection?
Name any three types of premating isolating mechanisms.
____________ results in variation in gene frequencies within population by chance rather than by natural selection.
Evolution occurs as a result of mutations in ______.
The idea of mutation was brought forth by:
Which of the following is the correct pair?
The chronological order of human evolution from early to recent stages is ______.
The first fossil of human form, discovered was ______.
Define the following term:
Evolution