State the Differences Between Pasteurization and Sterilization. - Biology

State the differences between pasteurization and sterilization.

Distinguish Between

Pasteurization	Sterilization
1. Temperature- 60C	1. Temperature- 110C
2. Does not kill spores	2. Kills even spores
3. Partial sterilization	3. Complete sterilization
E.g. Pasteurization of milk	E.g. Sterilization of canned food

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Useful Role of Bacteria in Agriculture

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Chapter 9: Economic Importance of Bacteria and Fungi - Exercise 1 (Short answer type) [Page 90]

Chapter 9 Economic Importance of Bacteria and Fungi
Exercise 1 (Short answer type) | Q 5.2 | Page 90

Bacteria are no more classified as plants primarily because:

Which bacteria fixes nitrogen in the soil?

Is tinned and sealed food always safe to eat? Give reasons in support of your answer.

Study the diagram given below and then answer the questions that follow:

Briefly describe how nitrogen of the atmosphere is converted to nitrates by leguminous plants.

Study the diagram given below and then answer the questions that follow:

Name the bacterium that converts

(i) ammonium compounds to nitrites

(ii) nitrites to nitrates

Study the diagram given below and then answer the questions that follow:

State how the nitrates in the soil get converted to nitrogen of the atmosphere.

Study the diagram given below and then answer the questions that follow:

Role of plants and animals in the formation of ammonium compounds.

Explain, briefly the role of bacteria in nitrogen fixation.

The question has four options. Choose the correct answer:
Which fixes the atmospheric nitrogen?