PARTS OF A SEED AND FUNCTIONS BEAN SEED

OBJECTIVES: 1. Write a scientific definition for a seed. 2. Dissect a black eye seed and identify seven parts. 3. Briefly explain the function of each part of the seed. 4. Draw and label seven parts of the seed

Introduction Review parts of the flower

1. What is the reproductive part of the plant? (Flower) 2. Which part of the flower becomes the fruit? (Ovary) 3. Which part of the flower becomes the seed? (Ovule) 4. What is used to get new plants in sexual reproduction? (Seed)

Parts of a bean seed and their function ;

Definition for a seed A seed is a fertilized ovule

Parts of a bean seed

The function of the parts of the seed Testa /seed coat- gives protection to the cotyledon and the embryo in the early stages. Cotyledon/ seed leaf- stores food material for the young plant. Embryo-consist of the plumule and the radicle and give rise to the new plant. Plumule- grows into the shoot. Radicle –grows into the root. Micropyle -takes in water for germination. Hilum -scar which shows point of attachment to seed.

CONCLUSION: Answer the following questions. 1. Define a seed. 2. Name three parts of a seed. 3. Name the parts that form the embryo. 4. What is the function of the micropyle? 5. What is another name for the testa? 6. Identify parts of seed on word search.

Word puzzle on the seed Identify the six parts of the seed M E M B R Y O L N P S E Y T I A B D F H J Z Q F L E D U C C Q V B Z K R T C A L P D R E R B F P S D I L V O L W O G W J G C U D E K Q M U P P I T E S T A W B V C O M I Y K X I H R U S L A H E U R L M E A J M G N P T N O L X E O C O T Y L E D O N S E Y

Unscramble these words on parts of the seed 1. acrdiel _________ 2. llpmeuu ________ 3. yobrem_________ 4. ttsea __________ 5. lemipcyor ________ 6. doenlytoc ________ 7. mhilu _________

Label the parts of the seed a b c d e f

1. Another name for cotyledon is: A. hilum B. seed coat C. seed leaf D. embryo 2. Which part of the seed stores food for the young plant? A. testa B. cotyledon C. embryo D. Plumule 3. What protects the cotyledon and the embryo in a seed? A. plumule B. testa C. micropyle D. Radicle

4. Which part of the seed grows into the root? A. testa B. plumule C. cotyledon D. Radicle 5. The part of the seed that grows into the shoot is the: A. cotyledon B. radicle C. plumule D. Hilum 6. The part of the seed consisting of the plumule and the radicle is known as the: A. testa B. cotyledon C. embryo D. endosperm