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Plant Reproduction and Floral Anatomy Quiz

#1

Which part of a flower produces pollen?

Stamen
Explanation

The stamen is the male reproductive organ of a flower, responsible for producing pollen.

#2

What is the primary purpose of nectar in a flower?

Serving as a food reward for pollinators
Explanation

Nectar serves as a food reward for pollinators such as bees, butterflies, and birds.

#3

Which hormone is responsible for the initiation of flowering in plants?

Gibberellin
Explanation

Gibberellin is a plant hormone responsible for initiating flowering.

#4

Which type of pollination involves the transfer of pollen by wind?

Anemophily
Explanation

Anemophily is a type of pollination where pollen is transferred by wind.

#5

What is the purpose of the calyx in a flower?

Protecting the flower bud
Explanation

The calyx protects the flower bud during its development.

#6

What is the function of the sepals in a flower?

Protect the flower bud
Explanation

Sepals protect the flower bud and support it as it develops.

#7

In which plant reproductive structure are eggs produced?

Pistil
Explanation

Eggs are produced in the pistil, the female reproductive organ of a flower.

#8

Which part of a flower develops into a fruit after fertilization?

Ovary
Explanation

The ovary develops into a fruit after fertilization, containing seeds.

#9

What is the significance of double fertilization in angiosperms?

It forms a triploid cell leading to endosperm formation
Explanation

Double fertilization in angiosperms leads to the formation of a triploid cell, which develops into endosperm, providing nutrients to the developing embryo.

#10

What is the purpose of the anther in a flower?

Produce pollen
Explanation

The anther produces pollen, which contains the male gametes in flowers.

#11

Which process is crucial for the formation of viable seeds after fertilization?

Embryogenesis
Explanation

Embryogenesis is the process crucial for the development of embryos from fertilized eggs, leading to the formation of viable seeds.

#12

What is the process by which pollen is transferred from the male to the female reproductive organs of a flower?

Pollination
Explanation

Pollination is the transfer of pollen from the male reproductive organs to the female reproductive organs of a flower.

#13

What is apomixis in plant reproduction?

Asexual reproduction without fertilization
Explanation

Apomixis is a form of asexual reproduction in plants where seeds are produced without fertilization.

#14

Which type of pollination involves the transfer of pollen within the same flower or between flowers of the same plant?

Self-pollination
Explanation

Self-pollination involves the transfer of pollen within the same flower or between flowers of the same plant.

#15

What is the purpose of the style in a flower's reproductive system?

Connecting the ovary to the stigma
Explanation

The style connects the ovary to the stigma, facilitating the transfer of pollen during fertilization.

#16

What is the purpose of the stigma in a flower?

Receive pollen for fertilization
Explanation

The stigma receives pollen for fertilization, facilitating the union of male and female gametes.

#17

What is the significance of gametophyte in the life cycle of plants?

It produces gametes
Explanation

The gametophyte generation in plants produces gametes, which are necessary for sexual reproduction.

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