Question

Name any two at autotrophic plants which also show heterotrophic mode of nutrition why do they need to do so

Answer 1

plants that shoe autotrophic as well as heterotrophic mode of nutrition are Pitcher plant and Venus fly trap and Sundew plant
they can make food as they are green and have chlorophyll in their leaves but to fulfill their nitrogen content it catches the insects
hope this helps

Answer 2

two autotrophic plants which also show heterotrophic mode of nutrition are venus fly trap and pitcher plant as their food or nutritional requirement is not fulfilled with the help of photosynthesis like carbon dioxide, sunlight, nitrogen, air and phosphorous due to the habitat in which they grow.