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WorksheetsFORMATION OF POLLEN GRAIN TO MALE GAMETE
Total questions: 15
Worksheet time: 8mins
Mature pollen grain consists of pollen tube cell and generative cell.
True
False
Each pollen miscrospore mother cell (2n) divides through meiosis to produce 4 haploid cells called ------------
Macrospores
Microspores
Megaspores
Identify the figure
Carpel
Stamen
Pistil
Calyx
Label the part A
Pollen grain
Tapetum
Connective
Stomium
Which part of flower pollen grain is produced?
Pollen sac in anther
Ovule in ovary
Style
Filament
What is the process involved to form a haploid microspore?
Mitosis
Meiosis
How many male gamete are formed in one pollen grain?
2
4
6
8
The process of transfer of pollen grains onto the stigma is known as .........................
pollination
hybernation
germination
fertilisation
Which nucleus responsibles in the formation of pollen tube from a pollen grain?
Generative nucleus
Pollen tube nucleus
Polar nuclei
Triploid nuclei
Does pollen grain and male gamete are the same?
yes
no
Which nucleus inside a pollen grain responsible in the formation of male gamete through mitosis?
Pollen tube nucleus
Generative nucleus
Sperm nucleus
Ovum nucleus
When does a pollen grain starts to germinate (pollen tube and male gamete form)?
When pollen grain mature
When pollen grain lands on stigma
When nucleus is ready
When enough food
How many compartments does each anther has?
1
2
3
4
What are the function of male gametes?[more than one answer]
To fertilise with egg cell
To fertilise with sperm cell
To form fruit
To fertilise with polar nuclei
Male gametophyte of a flowering plant is
(a)
