Assertion (A): Carrot is a biennial plant which stores food material in its roots in the first year.

Reason (R): This food is utilized in the second year to produce flowers and viable seeds, i.e. to reproduce sexually.

1. Both A and R are true.
2. Both A and R are false.
3. A is true and R is false.
4. A is false and R is true.

Assertion (A): Calyx is the outermost whorl of a flower which consists of large, fragrant and brightly coloured petals.

Reason (R): As petals are brightly coloured and fragrant, they can be noticed by insects easily and help in cross pollination.

1. Both A and R are true.
2. Both A and R are false.
3. A is true and R is false.
4. A is false and R is true.

Assertion (A): Vallisneria is a good example of wind-pollinated flower, even though the plant is aquatic.

Reason (R): Both male and female flowers of Vallisneria float on the surface of water and get pollinated with the help of wind.

1. Both A and R are true.
2. Both A and R are false.
3. A is true and R is false.
4. A is false and R is true.

Fill in the blanks by selecting suitable words: (unisexual, fertilisation, fruit, stamen, anther, bisexual, pollination, seed, ovary)

(a) A flower that bears both the male and the female parts is known as …………… flower.

(b) A flower bearing only male or female parts is known as …………… flower.

(c) Transfer of pollen grains from the anther to the stigma is known as ……………

(d) Fusion of male cell with female cell is called ……………

(e) The ovule develops into a ……………

(f) The ovary of the flower develops into a ……………