In which of the following groups of organisms, food material is broken down outside the body and absorbed?

(A) Mushroom, green plants, Amoeba

(B) Yeast, mushroom, bread mould

(C) Paramecium, Amoeba, Cuscuta

(D) Cuscuta, lice, tapeworm

 

Answer

Among the given organisms,

  • Green plants are autotrophs and hence can synthesize their own food.
  • Cuscuta, lice and tapeworms are parasites. They live in/outside the body of an organism called a host and derive nutrition from it.
  • Paramoecium is a unicellular heterotroph , i.e. it depends on external sources for its nutrition.
  • Yeast, mushroom and bread mould are saprophytes. They break down the food outside their body into simpler substances and then absorb it. 

Types of Heterotrophic Nutrition-01.jpg

So, the correct answer is (b) 

  1. Class 10
  2. Chapter 6 Class 10 - Life Processes (Term 1)

About the Author

CA Maninder Singh's photo - Founder at Teachoo
CA Maninder Singh
CA Maninder Singh is a Chartered Accountant for the past 11 years and a teacher from the past 11 years. He teaches Science, Accounts and English at Teachoo