Cross Hybridisation of the Selected Parents
Trending Questions
Q. In maize, hybrid vigour is exploited by:
- Inducing mutations
- Bombarding the seeds with DNA
- Crossing of two inbreed parental lines
- Harvesting seeds from the most productive plants
Q. Which one of the following statements is correct?
- Hay fever is caused exclusively by pollen released by hydrophilous flowers
- In Zostera, the pollen grains are ribbon like and without exine.
- Coconut plants exhibit hydrophily
- Hydrophilous plants produce small, dry, and winged pollen grains
Q. Which among the following phenomena is not a part of anther dehiscence?
- Dehydration
- Imbibition and swelling up of anther
- Disintegration of the strip between the pollen sacs
- Release of pollen grains