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Chapter 39 of 41
Practice Quiz

Homeostasis

Telangana Open School (TOSS) · Class 12 · Biology

Practice quiz for Homeostasis — Telangana Open School (TOSS) Class 12 Biology. MCQs and questions with answers to test your preparation.

44 questions30 flashcards5 concepts

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Quick Quiz: Homeostasis

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1

Which of the following is an example of homeostasis?

2

Which animals maintain a constant body temperature regardless of the environment?

3

What happens to enzyme activity at very high temperatures (above 45°C)?

4

Which of the following is NOT a function of homeostasis?

44 Questions·
multiple choicemultiple correcttrue false

Sample Questions

1multiple choice
1 marks

At what temperature are enzymes typically most active in humans?

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37°C

Enzymes in the human body function best at around 37°C, which is the normal body temperature.

2multiple choice
1 marks

Which of the following animals is an ectotherm?

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Frog

Frogs are ectotherms whose body temperature changes with the environment. They cannot generate internal heat like endotherms.

3multiple choice
1 marks

What is the main role of sweat glands in thermoregulation?

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To cool the body through evaporation

Sweat glands release sweat, which evaporates and cools the skin, helping lower body temperature.

4multiple choice
1 marks

Which part of the brain controls body temperature?

Show answer

Hypothalamus

The hypothalamus acts as the body's thermostat, detecting temperature changes and initiating responses.

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Frequently Asked Questions

What are the important topics in Homeostasis for Telangana Open School (TOSS) Class 12 Biology?
Homeostasis 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 Homeostasis — Telangana Open School (TOSS) Class 12 Biology?
Understand the core concepts first, then work through the 44 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.

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