Seaweed Cultivation and Safe Production章节测试课后答案2024春

第二章测试

1.The main cultivation methods of kelp used now are horizontal rope method, vertical rope methos and（  ）.
A:pole cultivation method B:one-dragon rope method C:Semi-floating raft D:floating raft method
答案:B
2.The sporeling of Eucheumatoid can be obtained in three ways:（  ）.
A:Check all. B:Select the high-quality algae as the sporelings. C:Collected from the wild population in a natural sea area. D:Bought from other nursery units.
答案:A
3.（ ） are the important methods in Kelp genetic breeding.
A:gametophyte cloning B:selection C:hybridization
答案:ABC
4.Co-cultured Seaweed and shell fish, crustaceans and fishes together are known as （ ）system.
A:Integarated multitrophic aquaculture (IMTA) B:aquculture C:mix cultured D:Seaweed-animal
答案:A
5.In the cultivation of Gracilariopsis lemaneiformis, if both of the cross-flow and the downstream flow are not suitable, the raft can be set away from the mainstream direction.（ ）
A:False B:True
答案:B