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Selina solutions for Concise Biology Class 8 ICSE chapter 1 - Transportation in Plants [Latest edition]

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Concise Biology Class 8 ICSE - Shaalaa.com

Chapter 1: Transportation in Plants

Multiple Choice QuestionShort Answer QuestionLong Answer Question

Multiple Choice Question [Pages 10 - 11]

Selina solutions for Concise Biology Class 8 ICSE Chapter 1 Transportation in Plants Multiple Choice Question [Pages 10 - 11]

Multiple Choice Question | Q 1.1 | Page 10

Multiple Choice Question:

Put a tick mark (✓) against the correct alternative in the following statement:

Diffusion occurs when molecules move:

  • from lower concentration to higher concentration.

  • from higher concentration to lower concentration through a membrane.

  • from higher concentration to lower concentration.

  • when energy is used.

Multiple Choice Question | Q 1.2 | Page 10

Multiple Choice Question:

Put a tick mark (✓) against the correct alternative in the following statement:

Ascent of sap in plants takes place through:

  • Cortex

  • Epidermis

  • Xylem

  • Phloem

Multiple Choice Question | Q 1.3 | Page 10

Multiple Choice Question:

Put a tick mark (✓) against the correct alternative in the following statement:

If the xylem vessels of a plant are plugged:

  • The leaves will turn yellow

  • No food will be made

  • The plant will wilt (shrivel)

  • The plant will continue to grow

Multiple Choice Question | Q 1.4 | Page 10

Multiple Choice Question:

Put a tick mark (✓) against the correct alternative in the following statement:

Force responsible for the ascent of sap is:

  • Capillary force

  • Root pressure

  • Transpirational pull

  • All the three

Multiple Choice Question | Q 1.5 | Page 10

Multiple Choice Question:

Put a tick mark (✓) against the correct alternative in the following statement:

Raisins swell when put in:

  • Rain water

  • Tap water

  • Mustard oil

  • Saturated sugar solution

Multiple Choice Question | Q 1.6 | Page 10

Multiple Choice Question:

Put a tick mark (✓) against the correct alternative in the following statement:

The root-hairs are suited for absorbing water from the soil because:

  • They have a large surface area

  • They have a semi-permeable membrane

  • They contain a solution of higher concentration than the surrounding water.

  • All the three.

Multiple Choice Question | Q 1.7 | Page 10

Multiple Choice Question:

Put a tick mark (✓) against the correct alternative in the following statement:

Transpiration is defined as:

  • the rise of water up to the stem of a plant.

  • the elimination of water with dissolved water products.

  • the loss of water as water vapour from the aerial parts of a plant.

  • the loss of water as water vapour from the roots as well as the leaves of the plant.

Multiple Choice Question | Q 1.8 | Page 11

Multiple Choice Question:

Put a tick mark (✓) against the correct alternative in the following statement:

Which one of the following favours the fastest transpiration rate ?

  • A cool, humid, windy day,

  • A hot, humid, windy day,

  • A hot, humid, still day,

  • A hot, dry, windy day.

Short Answer Question [Pages 11 - 13]

Selina solutions for Concise Biology Class 8 ICSE Chapter 1 Transportation in Plants Short Answer Question [Pages 11 - 13]

Short Answer Question | Q 1 | Page 11

An experiment was set up as shown in the figure below. After some time, the Water level in test tube A fell down but not in test tube B

Why was there a fall in the water level of test tube A and not in that of test-tube B ?

Short Answer Question | Q 2 | Page 11

How are roots useful to the plants? Give any two points.

Short Answer Question | Q 3 | Page 11

What do xylem vessels carry?

Short Answer Question | Q 4 | Page 11

Name the plant tissue which helps in carrying the food to different parts of a plant.

Short Answer Question | Q 5.1 | Page 11

Define the term semi-permeable membrane.

Short Answer Question | Q 5.2 | Page 11

Define the term osmosis

Short Answer Question | Q 6.1 | Page 11

Under what conditions do plant transpire more quickly?

Short Answer Question | Q 6.2 | Page 11

Under what conditions do plant transpire most slowly?

Short Answer Question | Q 7 | Page 12

Given alongside is an enlarged diagram of a part of the root. Draw arrows on the diagram to show the movement of water passing through different parts.

Short Answer Question | Q 8 | Page 12

Why is the structure of the root hair is quite suitable for absorbing water from the soil ?

Short Answer Question | Q 9 | Page 12

Briefly explain, how transpiration helps in upward conduction of water in plants? 

Short Answer Question | Q 10 | Page 12

How does temperature, light intensity and wind affect transpiration?

Short Answer Question | Q 11.1 | Page 12

The set up shown alongside was kept in sunlight for an hour. It was observed that drops of water appeared on the inside of the polyethylene bag.

  1. Name the process which is being demonstrated.
  2. Why was the pot and its soil left uncovered by the polythene bag?
  3. Why was the pot left in the sunlight?
  4. Suppose the pot in this experiment was placed inside a dark room instead of placing it in sunlight for some time. What difference will be noticed?
Short Answer Question | Q 12.1 | Page 12

State whether the following statement is true or false. Rewrite the false statement correctly.

Water absorption mainly occurs through the root-hair.

  • True

  • False

Short Answer Question | Q 12.2 | Page 12

State whether the following statement is true or false. Rewrite the false statement correctly.

Water enters the root-hair by osmosis.

  • True

  • False

Short Answer Question | Q 12.3 | Page 13

State whether the following statement is true or false. Rewrite the false statement correctly.

Water absorbed by the roots reaches the leaves and is used in producing food for the entire plant.

  • True

  • False

Short Answer Question | Q 12.4 | Page 13

State whether the following statement is true or false. Rewrite the false statement correctly.

A semi-permeable membrane allows larger molecules to pass through, but prevents the smaller ones.

  • True

  • False

Short Answer Question | Q 12.5 | Page 13

State whether the following statement is true or false. Rewrite the false statement correctly.

Transpiration is the loss of water from the roots of the plant.

  • True

  • False

Short Answer Question | Q 12.6 | Page 13

State whether the following statement is true or false. Rewrite the false statement correctly.

Transpiration cools the plant when it is hot outside.

  • True

  • False

Short Answer Question | Q 13.1 | Page 13

Fill in the blank with the suitable term given below:

Transportation in plants is carried out by a __________ system.

  • Fast

  • Leaves

  • Stomata

  • Conducting

  • Ascent

  • Humid

Short Answer Question | Q 13.2 | Page 13

Fill in the blank with the suitable term given below:

The upward movement of sap that contains water and minerals is called _______ of sap.

  • Fast

  • Leaves

  • Stomata

  • Conducting

  • Ascent

  • Humid

Short Answer Question | Q 13.3 | Page 13

Fill in the blank with the suitable term given below:

Transpiration is more when the wind is blowing _____.

  • Fast

  • Leaves

  • Stomata

  • Conducting

  • Ascent

  • Humid

Short Answer Question | Q 13.4 | Page 13

Fill in the blank with the suitable term given below:

Most water gets evaporated from the plant from its __________.

  • Fast

  • Leaves

  • Stomata

  • Conducting

  • Ascent

  • Humid

Short Answer Question | Q 13.5 | Page 13

Fill in the blank with the suitable term given below:

Transpiration is reduced if the air is __________.

  • Fast

  • Leaves

  • Stomata

  • Conducting

  • Ascent

  • Humid

Short Answer Question | Q 13.6 | Page 13

Fill in the blank with the suitable term given below:

The leaves have more__________ on their lower surface.

  • Fast

  • Leaves

  • Stomata

  • Conducting

  • Ascent

  • Humid

Long Answer Question [Page 13]

Selina solutions for Concise Biology Class 8 ICSE Chapter 1 Transportation in Plants Long Answer Question [Page 13]

Long Answer Question | Q 1 | Page 13

Draw a magnified view of the root-hair, and describe, how it helps in the absorption of water from the soil.

Long Answer Question | Q 2 | Page 13

How does transpiration help the roots absorb water and minerals from the soil?

Long Answer Question | Q 3 | Page 13

Define the three processes by which plants absorb water and minerals from the soil.

Long Answer Question | Q 4 | Page 13

How water absorbed by the roots is important for the plants?

Long Answer Question | Q 5 | Page 13

Name the factors which affect the rate of transpiration? State their role in each case.

Long Answer Question | Q 6 | Page 13

Mention the two ways in which transpiration helps the plants.

Long Answer Question | Q 7 | Page 13

Describe an experiment to show that the plant loses water through its leaves.

Long Answer Question | Q 8 | Page 13

Name any three minerals whose deficiency causes diseases in plants. Give the symptoms of each deficiency.

Long Answer Question | Q 9 | Page 13

List out the differences between xylem and phloem.

Chapter 1: Transportation in Plants

Multiple Choice QuestionShort Answer QuestionLong Answer Question
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Concise Biology Class 8 ICSE - Shaalaa.com

Selina solutions for Concise Biology Class 8 ICSE chapter 1 - Transportation in Plants

Selina solutions for Concise Biology Class 8 ICSE chapter 1 (Transportation in Plants) 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 8 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 8 ICSE chapter 1 Transportation in Plants are Concept of Diffusion, Semipermeable Membrane, Concept of Root Pressure, Concept of Active Transport, Concept of Transpiration, Importance and Factors Affecting Transpiration, Structure and Function of Xylem and Phloem in Detail, Importance of Minerals: Macro and Micro Nutrients, Lack of These Essential Nutrients, Concept for Osmosis, Transport of Food and Minerals in Plants Questions.

Using Selina Class 8 solutions Transportation in Plants 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 8 prefer Selina Textbook Solutions to score more in exam.

Get the free view of chapter 1 Transportation in Plants Class 8 extra questions for Concise Biology Class 8 ICSE and can use Shaalaa.com to keep it handy for your exam preparation

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