Flower lesson 2

Question 1

A flower is known as?…

Answer 1

blossom or bloom

Question 2

Name two famous bisexual flowers

Answer 2

Lily and sunflower

Question 3

What are sepals?

Answer 3

Small leaf structure used to enclose the flower bud

Question 4

What is pollen

Answer 4

Male reproductive cells

Question 5

What are the functions of flower?

Answer 5

Reproduction ​

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Herbal tea, Medicines ​

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Attracting pollinators for reproduction ​

Question 6

What is the stigma?

Answer 6

A place in the flower where pollen is received

Question 7

What is cross-pollination

Answer 7

cross-pollination is when 2 flowers from 2 different plants give pollen/recieve

Question 8

What are the classifications of flowers based on sexual expression?

Answer 8

• 1. Perfect (also called hermaphroditic): Contain both the pistil and stamens
• 2.Imperfect:
• Missing either stamens or pistil

Question 9

What are the classifications of flower based on the parts

Answer 9

Classification of flower based on parts
* 1. Complete:
* Contains sepals, petals, pistil and stamens.
* Most dicots have complete flowers
* 2.Incomplete:
* One or more of the four flower parts is missing
* All grass flowers are incomplete because they have no sepals

Question 10

What is the process of fertilization?

Answer 10

A pollen grain begins to grow when it lands on a stigma. It sends a pollen tube down through the style to an ovule. The male gamete’s nucleus moves down through this tube, enters an egg cell, and fuses with the egg cell nucleus. This is fertilisation.