Essential Whorls of Flowers

Q.

Label the parts of the flower:

1. 1 - Peduncle, 2 - Filament, 3 - Petal, 4 - Stigma, 5 - Style, 6 -Ovary, 7 - Anther , 8 - Sepal
2. 1 - Receptacle, 2 - Petal, 3 - Sepal, 4 - Style, 5 - Stigma, 6 - Ovule, 7 - Pollen sac, 8 - Filament
3. 1 - Peduncle, 2 - Sepal, 3 - Petal, 4 - Stigma, 5 - Style, 6 - Ovary, 7 - Anther, 8 - Stamen
4. 1 - Receptacle, 2 - Sepal, 3 - Petal, 4 - Stigma, 5 - Style, 6 - Ovary, 7 - Stamen, 8 - Filament

Q.

The male and female gametes fuse to form a _____(a)______ during the process of _____(b)______. This grows into an _____(c)______ which is enclosed within a seed. After fertilisation the ovules develop into _____(d)______ and the ovary develops into a _____(e)______ .

Q. The floral appendage which produces egg cell in plants is

1. Carpel
2. Calyx
3. Stamen
4. Corolla

Q. In a seed, the part which is considered as future shoot is

1. Cotyledon
2. Radicle
3. Stigma
4. Plumule

Q. Which part of the flower contains the female gamete?

1. Petals
2. Ovule
3. Style
4. Stigma

Q.

Pollen grains are produced in the _____________.

1. Style.

2. Stigma.

3. Ovary.

4. Anther.

Q. The swollen part of the pistil is known as ovary.

1. True
2. False

Q. Which one of the following is called as the accessory whorl of a flower?

1. 
   Calyx
2. 
   Anther
3. 
   Gynoecium
4. 
   Androecium