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Seed Structure and Germination

ICSE · Class 9 · Biology

Practice quiz for Seed Structure and Germination — ICSE Class 9 Biology. MCQs and questions with answers to test your preparation.

41 questions32 flashcards5 concepts

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A comparison illustrating the key differences between a fruit, a seed, and a grain, focusing on their structural components and how they enclose the embryo.
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Quick Quiz: Seed Structure and Germination

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1

Which part of the seed develops into the root system of the plant?

2

How many cotyledons are present in a bean seed?

3

What is the protective covering around the radicle in maize grain called?

4

Maize grain is an example of which type of seed?

41 Questions·
multiple choicemultiple correcttrue false

Sample Questions

1multiple correct

Which of the following are essential conditions for seed germination?

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Water, Suitable temperature, Oxygen

The three essential conditions for seed germination are water (for swelling and enzyme action), suitable temperature (25-35°C), and oxygen (for respiration). Sunlight is not needed initially as seeds have stored food.

2multiple choice

The scar on the seed coat marking the point of attachment to the ovary is called:

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Hilum

Hilum is the scar on the seed coat where the seed was attached to the ovary wall. Micropyle is a small opening, testa is the outer seed coat, and tegmen is the inner seed coat.

3true false

In epigeal germination, the cotyledons are pushed above the ground.

Show answer

True

In epigeal germination, the hypocotyl elongates and pushes the cotyledons above the ground. This happens in bean and castor seeds. In hypogeal germination, cotyledons remain underground.

4multiple choice

Which part of the maize grain stores food for the embryo?

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Endosperm

In maize grain, the large endosperm stores food (mainly starch) for the embryo. The scutellum (cotyledon) absorbs food from the endosperm and transfers it to the embryo.

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What are the important topics in Seed Structure and Germination for ICSE Class 9 Biology?
Key topics in Seed Structure and Germination include Seed Structure - Complete Hierarchy, Seed Structure and Germination — Chapter Overview, Overview of Seed Structure and Germination. These are the concepts ICSE Class 9 examiners draw on most — study them first, then practise related questions.
How to score full marks in Seed Structure and Germination — ICSE Class 9 Biology?
Understand the core concepts first, then work through the 41 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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