Skip to main content
Super TutorResources
Chapter 13 of 41
QuestionsNotesFlashcardsSummaryFormulasQuizConceptsSyllabusPlan
Study Plan

Organisms Used in Laboratory Work

Telangana Open School (TOSS) · Class 12 · Biology

Step-by-step guide to study Organisms Used in Laboratory Work in Telangana Open School (TOSS) Class 12 Biology. Topics to cover, practice strategy, and time allocation.

53 questions30 flashcards4 concepts

Interactive on Super Tutor

Studying Organisms Used in Laboratory Work? Get the full interactive chapter.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for study plan and more.

Try Super Tutor — Free

1,000+ Class 12 students started this chapter today

Study Plan

1
Day 1–2

Learn the Theory

Read the textbook chapter carefully. Note down definitions, formulas, and key concepts.

2
Day 3

Practice Problems

Solve textbook exercises and additional practice questions. There are 53 questions available for this chapter.

3
Day 4

Revise & Test

Revise key formulas and concepts without looking at notes. Take a practice quiz to test your understanding. Mark weak areas for re-revision.

4
Day 7

Spaced Revision

Revisit Organisms Used in Laboratory Work after a week. Use flashcards for quick recall. Solve previous year questions from this chapter.

What to Focus On

  • Culturing means growing organisms in the lab under controlled conditions.
  • Four factors: habitat, collection method, culture method, and preservation.
  • Used for morphological, taxonomic, cytological, genetic, and behavioral studies.

  • Both are protozoans found in freshwater.
  • Paramecium culture uses decaying plant matter to grow bacteria as food.
  • Amoeba culture uses wheat/rice grains in a petri dish with water.

  • Hydra is collected from ponds, not easily cultured.
  • Found attached to aquatic plants.
  • Floats to surface when oxygen is low.

Common Mistakes to Avoid

Onion root tips are cultured to study meiosis.

Paramecium and Amoeba are cultured on plain water or nutrient broth like bacteria.

Hydra can be easily cultured in any aquarium with fish food.

Memory Tips

Common organisms cultured in the lab: Paramecium, Amoeba, Hydra, Rhizopus, Drosophila, Onion root tips

Steps to culture Paramecium: Use grass/vegetable remains, add water, wait a week, bacteria grow, Paramecium feed on bacteria

Amoeba culture: Use wheat/rice grains in water, keep in dark, cool place, Amoeba multiply in 20–21 days

Hydra is collected from pond water, sticks to aquatic plants, needs oxygen-rich water

Want a personalised study plan?

Super Tutor creates a day-by-day plan for Telangana Open School (TOSS) Class 12 Biology that adapts to your exam date and pace.

Create My Study Plan — Free

Frequently Asked Questions

What are the important topics in Organisms Used in Laboratory Work for Telangana Open School (TOSS) Class 12 Biology?
Organisms Used in Laboratory Work covers several key topics that are frequently asked in Telangana Open School (TOSS) Class 12 board exams. Focus on the core concepts listed on this page and practise related questions to build confidence.
How to score full marks in Organisms Used in Laboratory Work — Telangana Open School (TOSS) Class 12 Biology?
Understand the core concepts first, then work through the 53 practice questions available for this chapter. Revise formulas and definitions regularly, and use flashcards for quick recall before the exam.

Sources & Official References

Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.

More resources for Organisms Used in Laboratory Work

All 41 chapters — Telangana Open School (TOSS) Class 12 Biology Study Plan

For serious students

Get the full Organisms Used in Laboratory Work chapter — for free.

Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for Telangana Open School (TOSS) Class 12 Biology.

Try Super Tutor Free
Try the full chapter — Free