Seed Structure and Germination
ICSE · Class 9 · Biology
Flashcards for Seed Structure and Germination — ICSE Class 9 Biology. Quick Q&A cards covering key concepts, definitions, and formulas.
Interactive on Super Tutor
Studying Seed Structure and Germination? Get the full interactive chapter.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan — built for flashcards and more.
1,000+ Class 9 students started this chapter today
This is just one of 8+ visuals inside Super Tutor's Seed Structure and Germination chapter
Explore the full setWhat is a seed? Provide its definition and significance.
Answer
A seed is a mature ovule after fertilization. It contains a tiny living plant called the embryo (developed from fused sperm nucleus and egg nucleus). The seed remains dormant until exposed to favorabl…
Distinguish between fruit, seed, and grain with examples.
Answer
Fruit: Enlarged ripened ovary with ovarian wall forming fruit wall, protects and helps in seed dispersal (e.g., mango, pea pod). Seed: Ripened ovule containing embryo that develops into new plant (e.g…
What are the two main types of seeds based on cotyledons?
Answer
Monocotyledonous seeds: Contain one cotyledon (seed-leaf), examples include maize and grasses. Dicotyledonous seeds: Contain two cotyledons, examples include pea, gram, and bean.
Explain the difference between albuminous and exalbuminous seeds.
Answer
Albuminous (endospermic): Cotyledons are thin and membranous, endosperm persists (e.g., poppy, cereals, palm). Exalbuminous (non-endospermic): Cotyledons store food and become thick and fleshy, no end…
Describe the structure of a bean seed and identify its main parts.
Answer
Bean seed has: Seed coat (testa - outer hard brownish covering, tegmen - thin inner protective layer), Hilum (whitish oval scar where ovule was attached), Micropyle (tiny pore near hilum for water abs…
What are the functions of micropyle in a seed?
Answer
Micropyle serves two important functions: 1) Water absorption - When seeds are soaked, they absorb water mainly through micropyle making it available to embryo for germination. 2) Gas exchange - It pr…
Describe the structure of maize grain and its main components.
Answer
Maize grain is a one-seeded fruit with fused fruit wall and seed coat. It contains: Small light-colored oval area (embryo location), Large endosperm (rich in starch), Aleurone layer (protein-rich oute…
Compare bean seed and maize grain - list 4 major differences.
Answer
Bean vs Maize: 1) Two cotyledons vs One cotyledon (scutellum), 2) No endosperm vs Large endosperm present, 3) Large embryo vs Small embryo, 4) Hilum and micropyle visible vs not visible, 5) Seed separ…
+17 more flashcards available
Practice AllFrequently Asked Questions
What are the important topics in Seed Structure and Germination for ICSE Class 9 Biology?
How to score full marks in Seed Structure and Germination — ICSE Class 9 Biology?
How many flashcards are available for Seed Structure and Germination?
Sources & Official References
Content is aligned to the official syllabus. Refer to the board website for the latest curriculum.
More resources for Seed Structure and Germination
Important Questions
Practice with board exam-style questions
Syllabus
What topics to cover
Revision Notes
Key points for last-minute revision
Study Plan
Step-by-step plan to ace this chapter
Formula Sheet
All formulas in one place
Chapter Summary
Understand the chapter at a glance
Practice Quiz
Test yourself with a quick quiz
Concept Maps
See how topics connect visually
NCERT Solutions
Every textbook question solved step by step
For serious students
Get the full Seed Structure and Germination chapter — for free.
Quizzes, flashcards, AI doubt-solver and a step-by-step study plan for ICSE Class 9 Biology.