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WorksheetsTerminologies in Plant Sexual Reproduction
Total questions: 20
Worksheet time: 10mins
1. Microsporangium are also known as ___.
embryo sacs
pouches
anther
pollen sacs
2. Male gametophyte develops in the anther, each of which contains ____ megasporangia.
1
2
4
8
3. Microsporocytes are also known as ______.
megaspore mother cell
microspore mother cell
male gametes
pollen grain
4. Microsporocytes will undergo meiosis and gives rise to ____.
microspores
megaspores
microsporangium
pollen grain
5. Each microspore contains ____ number of chromosomes.
haploid
diploid
triploid
6. A tetrad is ______.
Four anthers on the same filament
Four microsporangia in the same anther
Four functional microspores
Four generative nuclei
7. A pollen grain consist of two cells and a spore wall. The two cells are ____________.
sperm cell and tube cell
two polar nuclei
tube cell and megaspore
tube cell and generative cell
8. A male gametophyte refers to
anther
megasporocyte
megaspore
pollen grain
9. During pollination, the pollen grain germinates and _________.
the tube cell grows pollen tube towards ovule
the tube cell grows pollen tube towards filament
generative cell travels down the style on its own
bursts at the stigma
10. During pollination, the pollen tube grows and the generative cell travels down the pollen tube and _______.
divides by mitosis into two pollen grains
divides by meiosis into two sperm cells
divides by mitosis into two sperm cells
divides by mitosis into four daughter cells
11. Megasporangium is a tissue which _____.
contains a large diploid megasporocyte
contains a small microspore
contains ovary
contains fruit cells
12. Megasporocyte is also called a _____.
megaspore mother cell
microspore mother cell
embryo
seed
13. Megasporocyte will divide by meiosis and produces ____.
4 functional haploid megaspores
2 functional megaspores & 2 non-surviving megaspores
8 daughter cells
1 functional haploid megaspores & 3 non-surviving megaspores
14. The embryo sac in flowering plants is the ___.
female gametophyte
male gametophyte
fruit
15. The embryo sac contains:
egg cell, synergid cells, polar nuclei, and antipodal cells
sperm cell, egg cell, synergid cell, and polar nuclei
antipodal cell, polar nuclei, and generative nucleus
egg cell, synergid cell, and antipodal cells
16. Antipodal cells migrate to one end of the embryo sac ___.
near the micropyle
away from the micropyle
17. Polar nuclei are _____ located in the centre of the embryo sac
two haploid nuclei sharing a cytoplasm
two diploid nuclei sharing a cytoplasm
18. Egg cell in embryo sac ___.
will fuse with one sperm cell to form zygote
will fuse with two sperm cells to form triploid endosperm
will fuse with tube nucleus to form zygote
will fuse with generative cell to form zygote
19. Synergid cells function to:
flank the egg cell and guide pollen tube to the embryo sac
supply nutrients to egg cell
fertilise with sperm cells
digest tube nucleus
20. The zygote formed will develop into embryo which will eventually develop into __.
plumule and radicle in offspring plant
seed coat
fruit
cotyledon in seed
