Leaving Certificate BiologySexual Reproduction in Plants 1

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Sexual reproduction involves how many parents?

Two

One Zero

Four

The male part of the flower is the …

Petal

Carpel Stamen

Sepal

Brightly coloured flowers are pollinated by …

Water Insects

Wind Self

Pea seeds are dispersed by …

Animals Self-dispersal

Wind Water

The union of male and female gametes to form a zygote is called

…

Dispersal Germination

Pollination Fertilisation

A resting period when seeds undergo no growth is called …

Dispersal Dormancy

Germination Respiration

The outer covering of a seed is the …

Plumule Pericarp

Testa Cotyledon

Which of the following is not always needed for germination?

Oxygen Light

Suitable temperature Water

The plumule of a seed develops into the …

Shoot Root

Endosperm Fruit

The zygote is …

Haploid Triploid

Diploid Tetraploid

A fertilised ovule becomes the …

Fruit Seed

Flower Embryo sac

Water is absorbed into a seed through the …

Radicle Cotyledon

Root Micropyle

The embryo sac produces the …

Pollen grain Egg cell

Tube nucleus Sepals

After fertilisation the polar nuclei becomes the …

Zygote Embryo

Endosperm Embryo sac

If the diploid number of chromosomes of a plant is 20, then an endosperm cell has how many

chromosomes?

10 30

20 40

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Sexual Reproduction in Plants 1 iQuiz