Name the alien fish species which is posing a threat to the indigenous catfishes in our rivers.

Name two indigenous breeds of carps used as food fishes.

Name any two species of fungus, which are used In the production of the antibiotics.

The alien species introduced into Lake victoria that was responsible for the extinction of Cichlid fishes is

Name the method which is used to introduce alien DNA into plant cell?

Synthetic polymers are finding applications in almost all spheres of life and are making our life comfortable. Their large scale use has been based on their relative inertness to environment Process giving them durability for long time. However, their long durability is not altogether an advantage. These solid wastes remain undegraded for quite a long time and their disposal has created a serious problem of waste management. If the overuse of plastics continues, it will pose a serious threat to all of us. After reading the above passage, answer the following question : Is it advisable to continue with overuse of plastics due to their immense use in our daily life?

Write names of three species of Plasmodium. Which species is the most dangerous?

Name the following: The nutrient which mainly give energy to our body.