Advertisements
Advertisements
Question
Answer the following question in ‘One’ sentence only:
Define ‘mutation breeding’.
Advertisements
Solution
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.
APPEARS IN
RELATED QUESTIONS
Define evolution. How does it occur?
Out of the wing of a bird, wing of an insect and the wing of a bat :
which two are homologous organs?
Fill in the following blank with suitable word :
The human forelimb and bat's forelimb are an example of .......... organs whereas an insect's wing and a bat's wing are an example of ........... organs.
"Only variations that confer an advantage to an individual organism will survive in a population". Do you agree with this statement? Give reason for your answer.
Which of the following gas was not present in early earth atmosphere?
(a) Ammonia
(b) Oxygen
(c) Hydrogen sulphide
(d) Methane
A gradual change, over a long period, in a form of life is known as :
(a) erosion
(b) evolution
(c) revolution
(d) evaluation
Give one example each of characters that are inherited and the ones that are acquired in humans. Mention the difference between the inherited and the acquired characters.
Read the following statement and justify the same in your own words with the help of a suitable example.
Study of fossils is an important aspect of study of evolution.
____________ results in variation in gene frequencies within population by chance rather than by natural selection.
Which one of the following was not given by Darwin's theory of evolution?
