What is aquaculture? Give example of an animal that can be multiplied by aquaculture.
When culturing of aquatic plants and animals is done in freshwater bodies, it is called aquaculture.
Examples of animals that can be multiplied by aquaculture are
Finfish - Tilapia, Carp, Catfish, etc.
Shellfish - Shrimps, Oysters, etc.
What are the duties of a veterinary doctor in management of a poultry farm?
A veterinary doctor has to ensure proper and safe farm conditions to keep the animals disease-free and treat them appropriately if diseased.
Would it be wrong to call plants obtained through micro-propagation as 'clones'? Comment.
No, it is not wrong to call plants obtained through micro-propagation as clones because each of these plants will be genetically identical to each other and the parent plant.
How is a somatic hybrid different from a hybrid?
Somatic hybrids are obtained by uniting protoplasts from two different varieties of plants and then further cultured to form a novel plant. Compatibility between two plants is not a limitation. Any two protoplasts can be united.
Whereas, hybrids are obtained by crossing two selected parent plants of opposite sex. Many times compatibility is a limitation for breeding.
What is emasculation? Why and when is it done?
Removal of stamens from the bisexual flower that is used as a female parent in plant hybridisation is called emasculation. This is done to avoid unwanted self-pollination. This has to be done at bud condition before the anthers dehisce.