Pure Line

Q. Pure line can be created by

1. Self pollination
2. Cross pollination
3. Cross hybridisation
4. Selfing

Q. Which among the following is incorrect related to producing a new variety through plant breeding?

1. Pure lines with desirable characters are usually selected as parents
2. Usually only one in few hundred to a thousand crosses shows the desirable combination
3. The progeny obtained through hybridisation can be superior to both the parents
4. The hybrids produced are self-pollinated for several generations till they reach heterozygous state

Q. Offspring obtained by crossing two pure lines is called an F1 hybrid.

1. True
2. False