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Transpiration

Home / Board / ICSE / important Questions / Class 10 / Biology / Transpiration

Class 10 Biology Chapter 4
Transpiration
Important Questions

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Here, you’ll find important questions related to Chapter 4: Transpiration for ICSE Class 10 Biology. These questions have been crafted to assist students in their preparation for the ICSE Class 10 Biology Examination in 2024–25. By practising various question types, students can clarify their doubts, enhance their exam readiness, boost their confidence, and refine their problem-solving skills.

Introduction

In the Fourth chapter, Transpiration of ICSE Class 10 Biology, we embark on a journey into the fascinating realm of plant biology, specifically focusing on the phenomenon of transpiration. This chapter, titled “Transpiration,” explores the essential processes that occur in plants, shedding light on how they regulate water loss and maintain their overall well-being. As students delve into this chapter, they will encounter vital concepts related to transpiration, its significance in plant life, and the mechanisms plants employ to carry out this crucial function. To ensure a comprehensive grasp of the subject and effective preparation for examinations, it is essential to explore biology questions for Class 10 ICSE, especially those pertaining to this chapter. By doing so, students can reinforce their understanding and be well-equipped to tackle the important questions of biology Class 10 ICSE, thus paving the way for a deeper appreciation of the intricate world of plants and their physiological processes. Let’s embark on this educational journey, where we unravel the mysteries of transpiration in ICSE Class 10 Biology .

What is Transpiration ?

Transpiration, a vital process in the study of biology, is the loss of water vapour from the aerial parts of plants, mainly through tiny openings called stomata found on the surface of leaves, stems, and other plant structures. This phenomenon plays a crucial role in the overall functioning of plants, as it serves several important functions such as the uptake of minerals from the soil, maintenance of cell turgidity, and the transport of nutrients and water throughout the plant. Understanding transpiration is essential for students studying biology, especially in Class 10 ICSE, as it forms a significant part of the curriculum. As you delve into ICSE Class 10 Biology Chapter 4 on transpiration, you will encounter various biology questions for Class 10 ICSE, which will help you grasp the intricacies of this process and prepare effectively for your examinations. These important questions of biology class 10 ICSE related to transpiration will enhance your knowledge and ensure a comprehensive understanding of this vital biological phenomenon.
65940c462710cf962739e03d ICSE Chapter 4 01 1

Class 10 Biology Transpiration Important Questions and Answers

Q1. Which one of the following does not affect the rate of transpiration ?
Options
(a) Light
(b) Humidity
(c) Wind
(d) Age of the plant

Ans. (d) Age of the plant

Explanation:
The internal factors that affect the rate of transpiration are area of leaf, structure of leaf, water content of leaf, orientation of leaf and succulence.Although the age of plant is an internal factor but it doesn't affect the rate of transpiration.

Q2. ____________ is the change observed in the indicator- dry cobalt chloride in the experimental set up after keeping it in the sunlight.
Options
(a) No change
(b) Red to Blue
(c) Blue to Pink
(d) Pink to Blue

Ans. (c) Blue to Pink
Explanation:
Dry cobalt chloride paper that is blue in colour turns pink when it comes in contact with water.

Q3. Define transpiration.

Explanation:
Transpiration is a process in which excess water is lost in the form of vapours from the aerial parts of a plant.

Q4. What is the difference between Guttation and Bleeding.

Explanation:

GuttationBleeding
It is the process in which water droplets ooze out from the hydathodes present at the tip and margins of leaves.It is the process in which plant sap oozes out through injured or cut ends of the plant.
Q5. Differentiate between Transpiration and Guttation.

Explanation:

TranspirationGuttation
It is regulated by guard cells.It is due to root pressure.
It occurs at day time.It occurs at night.
Water escapes through stomata and lenticels.Water escapes through hydathodes only
Water escapes in the form of water vapour.Water escapes from the hydathodes present on the margin of the leaves in the form of water droplets.
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ICSE Class 10 Biology Chapter wise Important Questions

Conclusion

Transpiration is a fundamental process in plant physiology, playing a vital role in the transport of water and nutrients, as well as in regulating temperature and maintaining plant health. To aid in your learning journey, oswal.io offers a valuable resource in the form of a comprehensive collection of questions and materials related to transpiration and other relevant subjects. These resources are designed to facilitate your learning process, providing you with ample opportunities to hone your knowledge and excel in this crucial aspect of plant biology.

Frequently Asked Questions

Ans: Transpiration is the biological process of removal of excess water from the aerial parts of the plants.
Ans: There are the following different types of transpiration in plants:
  • Stomatal transpiration
  • Lenticular transpiration
  • Cuticular transpiration
Ans: Stomata are minute pores present on the lower side of the leaves that help in the exchange of gases and water vapour. When the stomatal pores open the rate of transpiration increases, and when the pores are closed, the loss of water is reduced.
Ans: The process of transpiration keeps the cell turgid, cools the surface of the leaves, and helps in the movement of minerals from the soil to different parts of the plant.
Ans: Transpiration results in water scarcity that can damage the plants due to desiccation. It also causes wilting of the leaves and results in stunted growth of the plants.
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