Organisms Used in Laboratory Work — Chapter Summary
Telangana Open School (TOSS) · Class 12 · Biology
Summary of Organisms Used in Laboratory Work for Telangana Open School (TOSS) Class 12 Biology. In biology, practical learning is essential, and this.
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Overview
In biology, practical learning is essential, and this involves studying living or preserved organisms. Various organisms are cultured in laboratories for experiments in anatomy, physiology, genetics, and cell biology. This chapter explains how common organisms like Amoeba, Paramecium, Hydra, Rhizopu
Key Concepts
Culturing means growing organisms in
Culturing means growing organisms in a controlled environment by providing proper nutrition, space, and protection. It is done for research and educat
Organisms like Amoeba
Organisms like Amoeba, Paramecium, Hydra, Rhizopus, Drosophila, and onion root tips are commonly cultured due to their simple structure, easy growth,
Tools like nets
Tools like nets, vasculum, plant press, and petri dishes are used to collect and preserve plants and animals from the field.
Proper ventilation
Proper ventilation, exhaust fans, and disposal of used specimens prevent foul smell and infection. Fire safety equipment must also be available.
Learning Objectives
- Identify organisms commonly cultured in the laboratory
- Describe methods of culturing protozoans, Hydra, Rhizopus, Drosophila, and onion root tips
- Explain the procedure for growing onion root tips and preparing mitosis slides
- List equipment used for collecting flora and fauna
- Understand safety and hygiene practices in the biology lab
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Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
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