Q80 of 367 Page 27

The autotrophic mode of nutrition requires:

Sunlight, chlorophyll, carbon dioxide and water are the necessary conditions required for autotrophic nutrition.

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78

In human digestive system, bile is secreted by:

 79

Two of the following organisms have a holozoic mode of nutrition. These organisms are:

 81

The correct order of steps occurring in nutrition in animals is :

 82

In human digestive system, the enzymes pepsin and trypsin are secreted respectively by :