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Transpiration

ICSE · Class 10 · Biology

Practice quiz for Transpiration — ICSE Class 10 Biology. MCQs and questions with answers to test your preparation.

44 questions22 flashcards5 concepts

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A comparison chart highlighting the key differences between transpiration, evaporation, and perspiration in terms of process type, speed, cellular involvement, and primary function.
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Quick Quiz: Transpiration

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1

What is transpiration?

2

Which type of transpiration accounts for 80-90% of total water loss in plants?

3

What are the cells that surround each stoma called?

4

During which time of day do stomata usually open?

44 Questions·
multiple choicemultiple correct

Sample Questions

1multiple correct

Which factors increase the rate of transpiration?

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High temperature, Bright sunlight, Fast wind

High temperature, bright sunlight, and fast wind all increase transpiration rate. High humidity decreases transpiration as it reduces the concentration gradient for water vapor diffusion.

2multiple choice

What is the waxy layer covering aerial parts of plants called?

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Cuticle

The cuticle is a waxy layer that covers aerial parts of plants. It is almost waterproof and helps reduce water loss through cuticular transpiration.

3multiple choice

Which instrument is used to measure the rate of transpiration?

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Potometer

A potometer, specifically Ganong's potometer, is used to measure the rate of transpiration by measuring the water uptake by a leafy shoot.

4multiple choice

What happens to guard cells when stomata open?

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They become turgid

When stomata open, guard cells become turgid due to water absorption. This happens because glucose produced during photosynthesis increases their osmotic pressure.

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Frequently Asked Questions

What are the important topics in Transpiration for ICSE Class 10 Biology?
Key topics in Transpiration include Stomatal Opening vs Closing — The Correct Mechanism, Transpiration - Complete Chapter Concept Map, Overview of Transpiration — All Key Concepts. These are the concepts ICSE Class 10 examiners draw on most — study them first, then practise related questions.
How to score full marks in Transpiration — ICSE Class 10 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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