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Selina solutions for Concise Biology Class 10 Icse chapter 5 - Transpiration [Latest edition]

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Concise Biology Class 10 Icse - Shaalaa.com

Chapter 5: Transpiration

Multiple choice typeVery short answer typeShort answer typeLong answer typeStructured/Application/Skill type

Multiple choice type [Pages 64 - 65]

Selina solutions for Concise Biology Class 10 Icse Chapter 5 Transpiration Multiple choice type [Pages 64 - 65]

Multiple choice type | Q 1 | Page 64

Transpiration pull will be maximum under which set of the following conditions?

  • Open stomata, dry atmosphere and moist soil

  • Open stomata, high humid atmosphere and well irrigated soil

  • Open stomata, high humid atmosphere and dry soil

  • Closed stomata, dry atmosphere and dry soil

Multiple choice type | Q 2 | Page 64

With decrease in atmospheric pressure, the rate of transpiration will

  • increase

  • decrease rapidly

  • decrease slowly

  • remain the same

Multiple choice type | Q 3 | Page 65

The rate of transpiration is more when

  • atmosphere is dry

  • temperature is high

  • humidity is high

  • atmosphere is dry and temperature is high

Multiple choice type | Q 4 | Page 65

One of the internal factors which affect the rate of transpiration is

  • big size of the leaf

  • Colour of the leaf

  • sunken stomata

  • sunny day

Multiple choice type | Q 5 | Page 65

Guttation takes place through

  • stomata

  • lenticels

  • lower epidermis of leaves

  • hydathodes

Multiple choice type | Q 6 | Page 65

The loss of water as water vapour from the acrial parts of a plant is known as

  • evaporation

  • perspiration

  • guttation

  • transpiration

Multiple choice type | Q 7 | Page 65

Transpiration will be fastest when the day is

  • cool, humid and windy

  • hot, humid and still

  • hot, humid and still

  • hot, dry and windy

Multiple choice type | Q 8 | Page 65

Most of the transpiration in tall trees occurs through

  • Stomata

  • Lenticels

  • Cuticle

  • Bark

Multiple choice type | Q 9 | Page 65

Transpiration is best defined as

  • loss of water by the plant

  • evaporation of water from the aerial surfaces of a plant

  • loss of water, as water vapour, by a plant

  • release of water by a plant into the atmosphere

Very short answer type [Page 65]

Selina solutions for Concise Biology Class 10 Icse Chapter 5 Transpiration Very short answer type [Page 65]

Very short answer type | Q 1.1 | Page 65

Name the following: 

openings on the stem through which transpiration occurs 

 

Very short answer type | Q 1.2 | Page 65

Name the following : 

The process by which the intact plant loses water in the form of droplet 

Very short answer type | Q 1.3 | Page 65

Name the following: 

An instrument used to find the rate of transpiration 

Very short answer type | Q 1.4 | Page 65

Name the following: 

A plant in which the stomata are sunken 

Very short answer type | Q 1.5 | Page 65

Name the following: 

The apparatus to record the rate of transpiration in a cut shoot. 

Very short answer type | Q 1.6 | Page 65

Name the following:  

Any two parts of a leaf which allows transpiration. 

Very short answer type | Q 1.7 | Page 65

Name the following: 

The structure in a leaf that allows guttation. 

Very short answer type | Q 1.8 | Page 65

Name the following: 

Loss of water as droplets from the margins of certain leaves. 

Very short answer type | Q 2.1 | Page 65

Fill in the blanks: 

Transpiration is the loss of water as water …………… from the ………… parts of the plant.

Very short answer type | Q 2.2 | Page 65

Fill in the blanks: 

Closing of …………… and shedding of leaves reduce ………….. 

Very short answer type | Q 2.3 | Page 65

Fill in the blanks: 

Transpiration helps in creating ………………. Force and in eliminating excess…………. 

Short answer type [Pages 65 - 66]

Selina solutions for Concise Biology Class 10 Icse Chapter 5 Transpiration Short answer type [Pages 65 - 66]

Short answer type | Q 1.1 | Page 65

Given below is an example of a certain structure and its special functional activity:
Chloroplasts and Photosynthesis.
In a similar way, write the functional activity against each of the following: 

Hydathodes and ………………………. 

Short answer type | Q 1.2 | Page 65

Given below is an example of a certain structure and its special functional activity:
Chloroplasts and Photosynthesis.
In a similar way, write the functional activity against each of the following: 

Leaf spines and ………………………… 

Short answer type | Q 1.3 | Page 65

Given below is an example of a certain structure and its special functional activity:
Chloroplasts and Photosynthesis.
In a similar way, write the functional activity against each of the following: 

Lenticels and …………………………… 

Short answer type | Q 1.4 | Page 65

Given below is an example of a certain structure and its special functional activity:

chloroplasts and photosynthesis

In a similar way, write the functional activity against each of the following:

Xylem and ...................................

Short answer type | Q 2.1 | Page 65

(a) State whether the following statements are True Or False ?  

(b) Rewrite the false statements in the correct form by changing either the first or the last word only.

Most transpiration occurs at midnight 

  • True

  • False

Short answer type | Q 2.2 | Page 65

(a) State whether the following statements are True Or False ?  

(b) Rewrite the false statements in (a) above, in the correct form by changing either the first or the last word only.

Transpiration creates a pull for upward movement of the sap.

  • True

  • False

Short answer type | Q 2.3 | Page 65

(a) State whether the following statements are True (T) Or False (F)?

(b) Rewrite the false statements in (a) above, in the correct form by changing either the first or the last word only.

Wind velocity has an effect on transpiration. 

  • True

  • False

Short answer type | Q 2.4 | Page 65

(a) State whether the following statements are True Or False? 

(b) Rewrite the false statements,in the correct form by changing either the first or the last word only .

Voltmeter is an instrument used for measuring the rate of transpiration in green plants. 

  • True

  • False

Short answer type | Q 3.1 | Page 65

Give suitable explanation for the following: 

A higher rate of transpiration is recorded on a windy day rather than on a calm day. 

 

Short answer type | Q 3.2 | Page 65

Give suitable explanation for the following: 

Excessive transpiration results in the wilting of the leaves. 

Short answer type | Q 3.3 | Page 65

Give suitable explanation for the following: 

Water transpired is the water absorbed. 

Short answer type | Q 3.4 | Page 65

Give suitable explanation for the following: 

More transpiration occurs from the lower surface of a dorsiventral leaf. 

Short answer type | Q 3.5 | Page 65

Give suitable explanation for the following:

Cork and bark of trees help in preventing loss of water

 

Short answer type | Q 3.6 | Page 65

Give suitable explanation for the following: 

Perspiration and transpiration help to cool the body temperature of the organism. 

Short answer type | Q 3.7 | Page 65

Give suitable explanation for the following: 

On a bright sunny day, the leaves of certain plants roll up.

Short answer type | Q 4.1 | Page 65

Which of the following statements are true and which ones are false? Give reason in support of your answer. 

Potometer is an instrument used for Demonstration of transpiration occurring from the lower surface of a leaf. 

  • True

  • False

Short answer type | Q 4.2 | Page 65

Which of the following statements are true and which ones are false? Give reason in support of your answer. 

Hydathodes are similar to stomata in plant physiology. 

  • True

  • False

Short answer type | Q 4.3 | Page 65

Which of the following statements are true and which ones are false? Give reason in support of your answer.

Atmospheric humidity promotes transpiration from a green plant.  

  • True

  • False

Short answer type | Q 4.4 | Page 65

Which of the following statements are true and which ones are false? Give reason in support of your answer. 

Some desert plants have sunked stomata on their leaves. 

  • True

  • False

Short answer type | Q 4.5 | Page 65

Which of the following statements are true and which ones are false? Give reason in support of your answer. 

Most transpiration occurs during midday.

  • True

  • False

Short answer type | Q 5 | Page 66

Differentiate between guttation and bleeding in plants.

Long answer type [Page 66]

Selina solutions for Concise Biology Class 10 Icse Chapter 5 Transpiration Long answer type [Page 66]

Long answer type | Q 1 | Page 66

What is wilting? Some plants show wilting of their leaves at noon even when the soil is well watered, Why is it so? 

Long answer type | Q 2 | Page 66

Why are the stomata in most plants more numerous on the lower surface of a leaf instead of being on the upper surface? 

Long answer type | Q 3 | Page 66

Suppose you have a small rose plant growing in a pot. How would you demonstrate transpiration in it? 

Long answer type | Q 4 | Page 66

What is a photometer? 

Long answer type | Q 5 | Page 66

What is lenticular transpiration? Mention one major difference between lenticular transpiration and stomatal transpiration. 

 

Long answer type | Q 6 | Page 66

List any three major factors that accelerate the rate of transpiration. 

Long answer type | Q 7 | Page 66

There is a general belief that forests tend to bring more frequent rains. Can you explain it scientifically? 

Long answer type | Q 8 | Page 66

Droplets of water may sometimes be seen along the margins of the leaves of a banana plant, growing in wet soil, in the mornings. Are these dew drops? Comment upon your answer.

Long answer type | Q 9.1 | Page 66

Briefly explain how the rate of transpiration is affected by 

Intensity of light 

Long answer type | Q 9.2 | Page 66

Briefly explain how the rate of transpiration is affected by:

Humidity of the atmosphere

Structured/Application/Skill type [Pages 66 - 67]

Selina solutions for Concise Biology Class 10 Icse Chapter 5 Transpiration Structured/Application/Skill type [Pages 66 - 67]

Structured/Application/Skill type | Q 1 | Page 66

In an experiment, four freshly plucked leaves (A-D) of a plant, such as those of china – rose, were treated as follows:
(a) Coated with Vaseline on its upper surface.
(b) coated on the lower surface.
(c) coated on both surface
(d) left uncoated.
All the four leaves A, B, C & D were left in a room for about 24 hours.
(i) which leaf would become most limp? Why?
(ii) which leaf would show least limping? Why?

Structured/Application/Skill type | Q 2.1 | Page 66

Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.

Name the phenomenon being demonstrated.


Structured/Application/Skill type | Q 2.2 | Page 66

Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.

What is the purpose of putting oil in the test tube?

Structured/Application/Skill type | Q 2.3 | Page 66

Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.

What is the purpose of the spring balance in the set-up?

Structured/Application/Skill type | Q 2.4 | Page 66

Given alongside is the diagram of an experimental set-up to demonstrate a certain phenomenon in plants.

Would it make a difference if the experimental set-up is kept in bright sunshine?

Structured/Application/Skill type | Q 3.1 | Page 66

Given below is the diagram of an apparatus used to study a particular phenomenon in plants:

Name the apparatus.

Structured/Application/Skill type | Q 3.2 | Page 66

Given below is the diagram of an apparatus used to study a particular phenomenon in plants:

What is it used for?

Structured/Application/Skill type | Q 3.3 | Page 66

Given below is the diagram of an apparatus used to study a particular phenomenon in plants:

What is the role played by the air-bubble in this experiment?

Structured/Application/Skill type | Q 3.4 | Page 66

Given below is the diagram of an apparatus used to study a particular phenomenon in plants:

What is the use of the reservoir?

Structured/Application/Skill type | Q 3.5 | Page 66

Given below is the diagram of an apparatus used to study a particular phenomenon in plants:

What happens to the movement of the air-bubble if the apparatus is kept:

(i) In the dark

(ii) In sunlight

(iii) In front of a fan

Give a reason in each case.

Structured/Application/Skill type | Q 4.1 | Page 66

Given ahead is the diagram of an experimental set up to study the process of transpiration in plants. Study the same and then answer the question that follow:

Name the colour of dry cobalt chloride paper.

Structured/Application/Skill type | Q 4.2 | Page 66

Given ahead is the diagram of an experimental set up to study the process of transpiration in plants. Study the same and then answer the questions that follow:

Is the experimental leaf a monocot or a dicot? Give a reason to support your answer.

Structured/Application/Skill type | Q 4.3 | Page 67

Given ahead is the diagram of an experimental set up to study the process of transpiration in plants. Study the same and then answer the question that follow:

Why are glass slides placed over the dry cobalt chloride papers?

Structured/Application/Skill type | Q 4.4 | Page 67

Given ahead is the diagram of an experimental set up to study the process of transpiration in plants. Study the same and then answer the question that follow:

After about half an hour what change, if any, would you expect to find in the cobalt chloride paper placed on the dorsal and ventral sides of the leaf? Give a reason to support your answer.

Structured/Application/Skill type | Q 5.1 | Page 67

The apparatus shown in the following diagram is Garreau’s potometer designed to demonstrate unequal transpiration from the two surfaces of a dorsiventral leaf Before keeping the leaf in between the cups, anhydrous calcium chloride (CaCl2) contained in two small vials were weighed and placed in both the cups. The ends of the cups were closed with corks through which two mercury manometers were connected. After few hours, CaCl vials were taken out and weighed again.

What is the purpose of keeping CaClvials inside the cup?

Structured/Application/Skill type | Q 5.2 | Page 67

The apparatus shown in the following diagram is Garreau’s potometer designed to demonstrate unequal transpiration from the two surfaces of a dorsiventral leaf. Before keeping the leaf in between the cups, anhydrous calcium chloride (CaCl2) contained in two small vials were weighed and placed in both the cups. The ends of the cups were closed with corks through which two mercury manometers were connected. After few hours, CaCl vials were taken out and weighed again.

After few hours CaCl2 vials were taken out and weighed again. Will you expect any difference in weight? If so, give reason. 

Structured/Application/Skill type | Q 5.3 | Page 67

The apparatus shown in the following diagram is Garreau’s potometer designed to demonstrate unequal transpiration from the two surfaces of a dorsiventral leaf. Before keeping the leaf in between the cups, anhydrous calcium chloride (CaCl2) contained in two small vials were weighed and placed in both the cups. The ends of the cups were closed with corks through which two mercury manometers were connected. After few hours, CaCl vials were taken out and weighed again.

What is the purpose of using a manometer?

Structured/Application/Skill type | Q 5.4 | Page 67

The apparatus shown in the following diagram is Garreau’s potometer designed to demonstrate unequal transpiration from the two surfaces of a dorsiventral leaf. Before keeping the leaf in between the cups, anhydrous calcium chloride (CaCl2) contained in two small vials were weighed and placed in both the cups. The ends of the cups were closed with corks through which two mercury manometers were connected. After few hours, CaCl vials were taken out and weighed again.

What do you mean by transpiration?

Structured/Application/Skill type | Q 6.1 | Page 67

The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.

Name the process intended for study. 

Structured/Application/Skill type | Q 6.2 | Page 67

The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.

Define the above mentioned process. 

Structured/Application/Skill type | Q 6.3 | Page 67

The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants. The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.

When the weight of the test tubes A and B is taken before and after the experiment, what change is observed? Justify. 

Structured/Application/Skill type | Q 6.4 | Page 67

The figure given below represents an experimental setup with a weighing machine to demonstrate a particular process in plants.  The experimental setup was placed in bright sunlight. Study the diagram and answer the following questions.

What is the purpose of keeping the test tube B in the experimental setup? 

Structured/Application/Skill type | Q 7.1 | Page 67

An apparatus as shown below was set up to investigate a physiological process in plants. The setup was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follow:

Name the process being studied.

Structured/Application/Skill type | Q 7.2 | Page 67

An apparatus as shown below was set up to investigate a physiological process in plants. The setup was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follow:

Explain the process named above in 7.1.

Structured/Application/Skill type | Q 7.3 | Page 67

An apparatus as shown below was set up to investigate a physiological process in plants. The setup was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follow:

Why was the pot covered with a plastic sheet?

Structured/Application/Skill type | Q 7.4 | Page 67

An apparatus as shown below was set up to investigate a physiological process in plants. The setup was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follow:

Suggest a suitable control for this experiment.

Structured/Application/Skill type | Q 7.5 | Page 67

An apparatus as shown below was set up to investigate a physiological process in plants. The setup was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follow:

Mention two ways in which this process is beneficial to plants.

Structured/Application/Skill type | Q 7.6 | Page 67

An apparatus as shown below was set up to investigate a physiological process in plants. The setup was kept in sunlight for two hours. Droplets of water were then seen inside the bell jar. Answer the questions that follow:

List three adaptations in plants to reduce the above mentioned process.

Chapter 5: Transpiration

Multiple choice typeVery short answer typeShort answer typeLong answer typeStructured/Application/Skill type
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Concise Biology Class 10 Icse - Shaalaa.com

Selina solutions for Concise Biology Class 10 Icse chapter 5 - Transpiration

Selina solutions for Concise Biology Class 10 Icse chapter 5 (Transpiration) include all questions with solution and detail explanation. This will clear students doubts about any question and improve application skills while preparing for board exams. The detailed, step-by-step solutions will help you understand the concepts better and clear your confusions, if any. Shaalaa.com has the CISCE Concise Biology Class 10 Icse solutions in a manner that help students grasp basic concepts better and faster.

Further, we at Shaalaa.com provide such solutions so that students can prepare for written exams. Selina textbook solutions can be a core help for self-study and acts as a perfect self-help guidance for students.

Concepts covered in Concise Biology Class 10 Icse chapter 5 Transpiration are Transpiration - Process and Significance, Ganong’S Potometer and Its Limitations, The Factors Affecting Rate of Transpiration, Experiments on Transpiration, A Brief Idea of Guttation and Bleeding, Mechanism of Stomatal Transpiration, Adaptations in Plants to Reduce Transpiration.

Using Selina Class 10 solutions Transpiration exercise by students are an easy way to prepare for the exams, as they involve solutions arranged chapter-wise also page wise. The questions involved in Selina Solutions are important questions that can be asked in the final exam. Maximum students of CISCE Class 10 prefer Selina Textbook Solutions to score more in exam.

Get the free view of chapter 5 Transpiration Class 10 extra questions for Concise Biology Class 10 Icse and can use Shaalaa.com to keep it handy for your exam preparation

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