3.6.1 Reproduction of the Flowering Plant

– Pollination & Fertilisation

Follow-Me – iQuiz

Q. What happens to the two polar nuclei?

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

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Q. What happens to the ovule after fertilisation?

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

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Q. True or False. Endosperm is a food reserve in some seeds.

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. What is pollination?

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. From which structure in the seed did the root develop?

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. How are wind-pollinated flowers adapted?

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Name a structure through which the pollen tube grows in order to reach the embryo sac.

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. In which part of a flower does a seed form?

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Some flowers have nectaries. How are these flowers pollinated?

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. What is the difference between self-pollination and cross-pollination?

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Name two ways in which cross-pollination happens.

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Suggest why cross-pollination is preferable to self-pollination.

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. To which part of a flower is pollen carried?

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. What happens to the ovary after fertilisation?

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Give one location in a seed in which food is stored.

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. What is fertilisation?

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Name a carbohydrate that you would expect to be present in the food store of a seed.

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Give two ways in which pollen may be transported to another flower.

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. What forms in the ovary of a flower after pollination and fertilization?

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. What process follows pollination in the life cycle of a flowering plant?

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Name the part of the flower where fertilisation occurs.

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. Suggest a substance that flowers produce that may cause hay fever in some people.

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. What is the function of the sepals?

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

Please CLICK on THIS BOX

for the Next Question

Q. In which part of the flower is pollen produced?

Anther; Stamen

Carpel; Ovary

Fertilisation

FALSE

Endosperm; Cotyledon; Nucellus

Insects

Increases variation; Reduces chance of genetic problems

Fusion of gametes; Formation of zygote

Fuse with male gamete nucleus to form triploid

endosperm nucleus

Occurs on same plant or flower; Occurs between plants of same species

Protection; Photosynthesis

Seed; Zygote; Embryo; Food reserve

Starch

Stigma of the carpel

No colours; No scent; No nectar; Small or no petals; Long stamens; Long feathery stigmas

Wind; Insect; Artificial

Transfer of pollen from anther to stigma

Stigma; Style; Ovary; Micropyle

TRUE

Becomes the fruit

Pollen

Becomes the seed

Radicle

Embryo sac; Ovule; Ovary

CONGRATULATIONS

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