Question

Cuscuta is complete parasite . Analyse​

Answer 1

Answer:

Cuscuta is a parasitic plant and is known to be a complete parasite as it cannot synthesise its own food and is completely dependent on its host.

It is because it has no chlorophyll and thereby unable to synthesise its own food by the process of photosynthesis. It derives nutrients by growing on other plants, gradually weakening the host plant.

Answer 2

Cuscuta is complete parasite:

Cuscuta is a parasitic plant, belongs to family cuscutaceae, There are about 100 to 170species.

EXPLANATION:  

This species is mentioned as parasite because it cannot synthesis their own food because of absence of chlorophyll and completely depend on other host for food and energy.

It forms its existence over the other plant due to lack of photosynthesis reaction and hence this parasites on other plant ultimately uses the other plant source food and weakening other plant.