1. How many types of plant reproduction?
Ans: Two types of reproduction.
i) Sexual
ii) Asexual
2. Write the main parts of the flower.
Ans: i) Sepals
ii) Petals
iii) Stamen ( Androecium )
iv) Pistil ( Gynoecium )
3. Write about Stamen.
Ans: Male part of the flower is called Stamen. It has two parts Anther and Filament. It contains pollen grain.
4. Write about pistil.
Ans: Female part of the flower is called pistil. It has three parts - stigma, style, and ovary. Ovules are present inside the ovary. Ovary convert into fruits and ovules into seeds.
5. Draw the all parts of the flower and Pistil.
Ans: See from your textbook.
6. Differentiate unisexual and bisexual flowers.
Ans: Unisexual flower - One reproductive part contains by flower. ( male or female )
Example - Papaya
Bisexual flower - Both reproductive parts contain by flower. ( male and female )
Example - Hibiscus
7. What is Pollination?
Ans: Pollen is transferred from anther to stigma ( same flower or another flower ) is called pollination. If same flower - self-pollination, another flower - cross-pollination.
8. How many types of agents of pollination?
Ans: i) Insect - Banana, Sunflower ( large, coloured, and scented flower )
ii) Wind - Palm (a large amount of pollen with light weight )
iii) Water - Hydrilla ( need a large amount of pollen grain )
9. What is complete flower? Give example.
Ans: If four parts ( sepal, petal, stamen, and pistil ) are present in the flower is called complete flower.
Example - Hibiscus, pea.
10. What is incomplete flower? Give example.
Ans: If any one part is absent in the flower is called incomplete flower ( pumpkin, and papaya )
11. Write some uses of flower.
Ans: i) Decoration - like Rangoli.
ii) Medicine - lotus flower is used in Ayurveda.
iii) Spices - Dry cloves.
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