10th Class Science Life Processes Question Bank 10th CBSE Science Life Processes

  • question_answer
        Describe internal structure of a human heart.  

    Answer:

       
    Holozoic nutrition Saprophytic nutrition
    1. In this type of nutrition solid and complex organic food is directly taken into the body.   2. This type of nutrition takes place in 5 steps namely ingestion, digestion, absorption, assimilation and egestion. 3. Example: Amoeba, different vertebrates. 1. In saprophytic nutrition, the organism obtains nutrients from the dead and decaying organic matter. The food is digested outside the body of the organism and then absorbed. 2. Saprophytic nutrition takes place by absorption of break-down products.       3. Example: Bacteria, fungi, rhizopus, yeast.
     


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