Skip to main content
Chapter 10 of 41
Practice Quiz

Preservatives, Stains and Reagents — Practice Quiz

Telangana Open School (TOSS) · Class 12 · Biology

Try a 4-question quiz on Preservatives, Stains and Reagents for Telangana Open School (TOSS) Class 12 Biology: tap an answer to check it and see why.

53 questions25 flashcards3 concepts

Interactive on Super Tutor

Studying Preservatives, Stains and Reagents? Get the full interactive chapter.

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

Free trial, no card needed.

Quick Quiz: Preservatives, Stains and Reagents

0/4

Tap an answer to check it instantly. No sign-up needed for these 4.

1

What is the primary purpose of using preservatives in biological studies?

2

Which of the following is a common use of stains in biology?

3

What does a reagent typically do in a biological experiment?

4

Which stain is commonly used for blood films?

53 Questions·
multiple choicemultiple correcttrue false

Sample Questions

1multiple choice
1 marks

What color does iodine solution turn when it reacts with starch?

Show answer

Dark blue

Iodine solution turns dark blue when it reacts with starch, indicating the presence of starch in a sample.

2multiple choice
1 marks

Which of the following is a preservative used in histological preparations?

Show answer

Bouin's fluid

Bouin's fluid is a preservative used for rapid penetration and fixation of tissues in histological studies.

3multiple choice
1 marks

What is the main component of Carnoy's fluid?

Show answer

Absolute alcohol

Carnoy's fluid contains absolute alcohol (60 ml), chloroform (30 ml), and glacial acetic acid (10 ml), with alcohol being the main component.

4multiple choice
1 marks

Which stain gives a pink or red color to plant tissues?

Show answer

Safranin

Safranin is a synthetic dye used as a general stain for plant tissues, giving them a pink or red color.

+49 more questions on Preservatives, Stains and Reagents (Telangana Open School (TOSS) Class 12 Biology)

Practise All

Frequently Asked Questions

What are the important topics in Preservatives, Stains and Reagents for Telangana Open School (TOSS) Class 12 Biology?
Key topics in Preservatives, Stains and Reagents include Preservatives, Stains, Reagents. Study these first, then practise questions on each for the Telangana Open School (TOSS) Class 12 board exam.
How many practice questions are there for Preservatives, Stains and Reagents?
There are 53 questions on Preservatives, Stains and Reagents. Try the 4-question sample quiz on this page first; each answer shows an explanation when you tap it.

Sources & Official References

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

For serious students

Get the full Preservatives, Stains and Reagents chapter — start free.

Quizzes, flashcards, an AI doubt solver and a study plan for Telangana Open School (TOSS) Class 12 Biology. Free to start, no card needed.