1. SEEDS AND SEEDS
LESSON-5

2. Seeds are of different shapes, sizes, colours and textures.

3. Some seeds have only one seeds while others have a number of seeds

4. Some seeds have only one seeds while others have a number of seeds

5. Seeds are used as spices, food grains,pulses.

7. Some plants can grow without seeds
MONEYPLANT
ROSE
BOGAINVILLAE

8. There are somep plants which trap and eat frogs,insects and mice
There are somep plants which trap and eat frogs,insects and mice. The pitcher plant(Nepenthse) is one such plant .It is found in Australia, Indonesia and Meghalaya in India.

9. SEED DISPERSAL BY WIND
Seeds are light. They are flown from one place to another by wind. Some seeds have hair and wings over their covering. They help them to fly long distances.

10. DISPERSAL BY WIND

11. Seeds dispersal by water
Some seeds grow near a river, lake and sea. Their fruits or seeds fall into water and carried away over long distances.

12. Seeds Dispersal by birds, animals and human beings.
Animals, birds and human beings after eating a fruits and vegetables, generally leave behind or throw away the seeds present inside them. These seeds either grow into a plant there itself or carried from one place to another by wind and water. Some seeds are not digestible, so the birds and animals pass out these seeds in their droppings at different places. These seeds get dispersed. Some seeds have hook and spies They stick to the body of the animals or to the people’s clothings and are carried to different places

13. BIRDS
ANIMALS
HUMAN BEINGS

16. FROM SEED TO SEEDLING

18. STRUCTURE OF A SEED
EMBRYO
COTYLEDONS
SEED COAT

20. STRUCTURE OF A SEED SEED COAT--- PROTECTS THE SEED
COTYLEDON---SUPPLY FOOD TO THE
BABY PLANT.
EMBRYO DEVELOPS INTO SEEDLING.

22. TYPES OF SEEDS MONOCOT DICOT SEEDS WITH ONLY ONE COTYLEDON
EX- PADDY, WHEAT,
MAIZE ETC,.
SEEDS WITH TWO
COTYLEDONS.
EX-BENGAL GRAM,
GREEN GRAM,
GROUNDNUT ETC,.

24. GERMINATION OF SEED PLUMULE – DEVELOPS RADICAL – DEVELOPS
INTO SHOOT SYSTEM.
RADICAL – DEVELOPS
INTO ROOT SYSTEM.

26. STAGES OF GERMINATION

28. CONDITIONS REQUIRED FOR GERMINATION OF SEED
SUFFICIENT WATER
SUNLIGHT (WARMTH)
AIR

30. NAME THE FOLLOWING
seedcoat
1.Protects the seed
2.Baby plant is called
3.Supplies food for the embryo
4.Seeds with one cotyledon is called
5.Seeds with two cotyledons is called
embryo
cotyledons
Dicot seed
Monocot
seeds

32. ARRANGE IN PROPER SEQUENCED C A E B A B C D E