Q99 of 367 Page 27

Which of the following is the correct statement ?

Those organisms which cannot make their own food from inorganic substances like carbon dioxide and water and depend on other organisms for their food are called heterotrophs. All the animals, fungi, and bacteria are examples of heterotrophs.

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97

Most of the plants absorb nitrogen in one of the following forms. This is:

Options;


A. proteins


B. nitrates and nitrites


C. urea


D. atmospheric nitrogen

 98

The first enzyme to mix with food in the digestive tract is :

 100

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

 101

Which of the following is the correct sequence of parts as they occur in the human alimentary canal ?