Post on 22-Dec-2015
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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
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