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Selina solutions for Concise Science Biology 1 Class 9 ICSE chapter 6 - Seeds - Structure and Germination [Latest edition]

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Concise Science Biology 1 Class 9 ICSE - Shaalaa.com

Chapter 6: Seeds - Structure and Germination

Multiple choice typeVery short answer typeShort answer typeLong answer type
Multiple choice type [Page 53]

Selina solutions for Concise Science Biology 1 Class 9 ICSE Chapter 6 Seeds - Structure and Germination Multiple choice type [Page 53]

Multiple choice type | Q 1 | Page 53

Which one of the following plants parts is correctly matched with one of its stated characteristic?

  • Mango seed ___________ aleurone layer

  • Bean seed __________ endosperm

  • Maize grain __________ coleoptile

  • Wheat grain ___________ exalbuminous

Multiple choice type | Q 2 | Page 53

Seeds sown very deep in the soil fail to germinate because they

  • cannot exert enough force to push the soil upward.

  • do not get enough sunlight.

  • get too much water.

  • do not get enough oxygen.

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Very short answer type [Page 53]

Selina solutions for Concise Science Biology 1 Class 9 ICSE Chapter 6 Seeds - Structure and Germination Very short answer type [Page 53]

Very short answer type | Q 1.2 | Page 53

Is the following statement true (T) or false (F)? 

Maize grain is fruit and not a seed. (T/F)

  • True

  • False

Very short answer type | Q 1.3 | Page 53

Is the following statement true (T) or false (F)? 

Seeds fell in a flower-bed from the previous crop usually do not germinate until the next sowing season. 

  • True

  • False

Very short answer type | Q 1.4 | Page 53

Is the following statement true (T) or false (F)?

Oxygen is necessary for the germination of seeds.

  • True

  • False

Very short answer type | Q 2.1 | Page 53

Name the following : 

A monocotyledonous endospermic seed.

Very short answer type | Q 2.2 | Page 53

Name the following : 

A chemical used in experiments which absorbs oxygen.

Very short answer type | Q 2.3 | Page 53

Name the following : 

Part of the plumule above the embryonic axis of the seed.

Very short answer type | Q 2.4 | Page 53

 Name the following : 

A plant that shows viviparous germination.

Very short answer type | Q 2.5 | Page 53

Name the following : 

The layer of the endosperm of maize rich in protein.

Very short answer type | Q 2.6 | Page 53

Name the following : 

A seed with folded plumule leaves.

Very short answer type | Q 3 | Page 53

Is the following statement true (T) or false (F)? 

Some seeds have no cotyledons at all.

  • True

  • False

Very short answer type | Q 3.1 | Page 53

Fill in the blanks: 

In bean seeds, ________ grows faster and the seeds are brought _________ ground.

Very short answer type | Q 3.2 | Page 53

Fill in the blanks:

_______ is a protective layer of radicle and ________ protects the rolled plumule.

Very short answer type | Q 3.3 | Page 53

Fill in the blanks: 

A seed is protected by ________ and __________ .

Very short answer type | Q 3.4 | Page 53

Fill in the blanks: 

Seeds absorb water through __________ which also helps in the diffusion of respiratory gases.

Very short answer type | Q 3.5 | Page 53

Fill in the blanks: 

Rich, wheat and maize are rich in _________ food.

Very short answer type | Q 4.1 | Page 53

Arrange the following set of a term in order, so as to be in a logical sequence. Rewrite the correct order.

Embryo, 1st male gamete, zygote, egg cell, micropyle.

Very short answer type | Q 4.2 | Page 53

Arrange the following set of a term in order, so as to be in a logical sequence. Rewrite the correct order.

Zygote, embryo, seed, allogamy, fusion of gametes.

Very short answer type | Q 4.3 | Page 53

Arrange the following set of a term in order, so as to be in a logical sequence. Rewrite the correct order.

Seed coat bursts, hypocotyls elongates, radicle grows downward, hypocotyls forms loop above the soil, epicotyls elongates.

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Short answer type [Pages 53 - 54]

Selina solutions for Concise Science Biology 1 Class 9 ICSE Chapter 6 Seeds - Structure and Germination Short answer type [Pages 53 - 54]

Short answer type | Q 1 | Page 53

What is the difference between an embryo and a seed?

Short answer type | Q 2 | Page 53

Give any two examples each of endospermic (albuminous) seeds, and non-endospermic (exalbuminous) seeds.

Short answer type | Q 3 | Page 53

Germinated grams are considered highly nutritive. What is the reason for this belief?

Short answer type | Q 4 | Page 54

Why do we not use the terms maize fruit and maize seed? What do we say instead?

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Long answer type [Page 54]

Selina solutions for Concise Science Biology 1 Class 9 ICSE Chapter 6 Seeds - Structure and Germination Long answer type [Page 54]

Long answer type | Q 1.1 | Page 54

What is the function of the following in a seed?

Seed coat

Long answer type | Q 1.2 | Page 54

What is the function of the following in a seed?

Micropyle

Long answer type | Q 1.3 | Page 54

What is the function of the following in a seed?

Cotyledons

Long answer type | Q 1.4 | Page 54

What is the function of the following in a seed?

Radicle

Long answer type | Q 1.5 | Page 54

What is the function of the following in a seed?

Plumule

Long answer type | Q 2 | Page 54

Suggest an experiment to prove that a suitable temperature is necessary for germination.

Long answer type | Q 3 | Page 54

Sometimes the potatoes kept in a basket during the late rainy season start giving out small shoots. Would you call it germination? Give reasons in support of your answer.

Long answer type | Q 4.1 | Page 54

Give two differences in the following pairs :

Epigeal germination and hypogeal germination 

Long answer type | Q 4.2 | Page 54

Give Two Differences in the Following Pairs:

Coleorhiza and coleoptile 

Long answer type | Q 4.3 | Page 54

Give two difference in the following pairs:

Bean seed and maize grain

Long answer type | Q 5 | Page 54

Differentiate between germination and vivipary.

Long answer type | Q 6 | Page 54

Justify the statement that the maize grain is a 'one-seeded fruit'. 

Long answer type | Q 7 | Page 54

What is the role played by the hypocotyl in epigeal germination?

Long answer type | Q 8.1 | Page 54

With regard to germination in bean seed, answer the following question: 

State the function of the 'micropyle'.

Long answer type | Q 8.2 | Page 54

With regard to germination in bean seed, answer the following question:

Name the part of the seed that grows into the seedling.

Long answer type | Q 8.3 | Page 54

With regard to germination in bean seed, answer the following question:

Draw a neat labelled diagram of the structure named above. 

Long answer type | Q 8.4 | Page 54

With regard to germination in bean seed, answer the following question:

Name the part of the seed that provides nutrition for the growing seedling.

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Chapter 6: Seeds - Structure and Germination

Multiple choice typeVery short answer typeShort answer typeLong answer type
Concise Science Biology 1 Class 9 ICSE - Shaalaa.com

Selina solutions for Concise Science Biology 1 Class 9 ICSE chapter 6 - Seeds - Structure and Germination

Selina solutions for Concise Science Biology 1 Class 9 ICSE chapter 6 (Seeds - Structure and Germination) 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 Science Biology 1 Class 9 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 Science Biology 1 Class 9 ICSE chapter 6 Seeds - Structure and Germination are Seeds, Concept of Fruit, Grain, Dicot Seed Structure (Bean Seed), Monocot Seed Structure (Maize Grain), Classification and Structure of Seeds, Concept of Germination, Seed Germination, Types of Germination.

Using Selina Class 9 solutions Seeds - Structure and Germination 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 9 prefer Selina Textbook Solutions to score more in exam.

Get the free view of chapter 6 Seeds - Structure and Germination Class 9 extra questions for Concise Science Biology 1 Class 9 ICSE and can use Shaalaa.com to keep it handy for your exam preparation

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