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प्रश्न
Answer the following question in ‘One’ sentence only:
Define ‘mutation breeding’.
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उत्तर
Mutation breeding, sometimes referred to as “variation breeding”, is the process of exposing seeds to chemicals or radiation in order to generate mutants with desirable traits to be bred with other cultivars.
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संबंधित प्रश्न
With the help of suitable examples, explain why certain traits cannot be passed on to the next generation. What are such traits called?
Give an example of characteristics being used to determine how close two species are in evolutionary terms.
Out of the wing of a bird, wing of an insect and the wing of a bat :
which two are homologous organs?
In what way are homologous organs evidence for evolution?
| A population of red beetles lives in green bushes in a garden. Once during the process of breeding, a green beetle is produced. |
- State whether the change in colour of beetle is a process of evolution or not.
- Can the new colour of green beetle be passed on to its next generations?
- What will be the advantage (if any) of the green colour to the beetle?
- State whether the production of green colour involved a change in genetic material or not.
Write a short note based on the information known to you.
Evolution
Multiple choice question.
Gene frequency in a population remain constant due to –
Define Organic evolution.
The first systematic explanation of the concept of evolution was given by ______.
What is chromosomal aberration? Give any two types of aberrations found in the population.
