An insect without pupa stage is

An insect without mandibles is

An insect without mandibles is

An insect without mandibles is

An insect whose mouthparts are biting and chewing type in the larval condition, while they are siphoning type in the adult and this insect gives and economically important substance during yet another stage of its development. The insect is Or Which of the following insects is useful for us

Coelenterate without medusoid stage in life cycle is

Coelenterate without medusoid stage in life cycle is

Coelenterate without medusoid stage in life cycle is

Bt toxin gene has been cloned from the bacteria and expresed in plants to provide resistance to insects without the need for insecticides. Exampleso of such plants are

Bt toxin gene has been cloned from the bacteria and expresed in plants to provide resistance to insects without the need for insecticides. Exampleso of such plants are