Junior Cert Science - Biology - Plant Reproduction

A plant's organ of sexual reproduction is in its
1. shoot
2. stem
3. root
4. flower
Which one of the following is not a stage in sexual reproduction?
1. Photosynthesis
2. Pollination
3. Fertilisation
4. Germination
Asexual reproduction involves
1. a single parent plant
2. two gametes
3. fertilisation
4. a single sex cell
Which one of the following statements is FALSE?
1. All plants reproduce by either sexual or asexual reproduction
2. In sexual reproduction, the offspring of a plant is identical to one of the parents only.
3. A zygote is formed during the process of fertilization.
4. Reproduction in a plant results in the formation of a new plant.
Which one of the following plants reproduces by means of bulbs?
1. The spider plant
2. The potato
3. The strawberry
4. The daffodil
In the diagram shown, the parts labelled A and B are
1. A = runner, B = parent plant
2. A = parent plant, B = shoot
3. A = root, B = parent plant
4. A = shoot, B = runner
Geraniums and hedges may reproduce by
1. cuttings
2. producing extra bulbs in the soil
3. producing runners
4. projecting stalks
The plant shown in the diagram is
1. a daffodil
2. a spider plant
3. a strawberry plant
4. a hedge
The parts of the flower labelled X and Y in the diagram are
1. X = sepal, Y = anther
2. X = petal, Y = stalk
3. X = petal, Y = anther
4. X = sepal, Y = carpel
Which part of the plant protects the flower when it is in bud?
1. sepal
2. petal
3. carpel
4. stamen
One of the functions of a petal in a flowering plant is to
1. protect the internal parts of the flower
2. connect the stigma to the ovary
3. make pollen grains
4. support the anther
The egg cell in a flowering plant is produced in the
1. carpel
2. stamen
3. anther
4. filament
The diagram shows the carpel of a flowering plant. Parts C and D in the diagram are
1. C = stigma, D = ovule
2. C = style, D = stigma
3. C = stigma, D = style
4. C = ovule, D = stigma
Which one of the following statements about the ovary is INCORRECT?
1. Pollen is produced in the ovary.
2. The ovary contains one or more ovules.
3. The stigma is connected to the ovary by the style.
4. Fertilization takes place in the ovary.
The transfer of pollen from a stamen to a carpel is known as
1. pollination
2. fertilization
3. seed dispersal
4. germination
For sexual reproduction in a plant, which one of the following conditions must be met?
1. The male and female gametes must meet.
2. There must be nectar or scent present in the flower.
3. The stamens must be inside the petals.
4. The pollen must be transferred by insects.
Which one of the following is a feature of a wind-pollinated flower?
1. The flower has a large amount of pollen grains.
2. The stamen are located inside the petals.
3. The petals are brightly coloured.
4. The carpels are located inside the petals.
Which one of the following plants does not have its flowers pollinated by insects?
1. Oak tree
2. Buttercup
3. Rose
4. Dandelion
The diagram shows a typical wind pollinated flower. What are the labelled parts?
1. A = Carpel, B = Ovary.
2. A = Stamen, B = Carpel.
3. A = Sepal, B = Carpel.
4. A = Stamen, B = Petal.
The joining of the male and female gametes form a zygote is known as
1. fertilization
2. pollination
3. neutralization
4. germination
The parts labelled X and Y in the diagram are
1. X = style, Y = ovule.
2. X = ovary, Y = pollen.
3. X = style, Y = pollen.
4. X = pollen, Y = style.
Which one of the following statements is correct?
1. After fertilisation, the ovule forms a seed.
2. The plumule forms the future root of the plant.
3. The radicle of the seed grows upwards.
4. The embryo of a seed consists of the testa and radicle.
Which one of the following fruits contains a seed called a stone?
1. Peach
2. Apple
3. Tomato
4. Strawberry
The tough outer coat of the broad bean seed is called the
1. testa
2. plumule
3. radicle
4. zygote
The spreading of a seed as far away as possible from the parent plant is known as
1. dispersal
2. germination
3. fertilisation
4. asexual reproduction
Seed dispersal does not reduce competition between the seedlings and the parent plant for
1. light
2. oxygen
3. water
4. minerals
An example of a seed dispersed by the wind is
1. dandelion
2. strawberry
3. burdock
4. coconut
Which one of the following plants self-disperses its seeds?
1. Gorse
2. Apple
3. Dandelion
4. Strawberry
The coconut is an example of fruit being dispersed by
1. water
2. wind
3. animal
4. self
The growth of a seed to form a new plant is known as
1. germination
2. reproduction
3. pollination
4. fertilisation
Which one of the following does successful germination NOT depend upon?
1. Water
2. Minerals
3. Oxygen
4. Warmth
In which season is germination least likely to occur outdoors?
1. Spring
2. Summer
3. Autumn
4. Winter
The tough outer coat of the broad bean seed is called
1. the testa
2. the plumule
3. the radicle
4. the zygote
The spreading of seeds as far away as possible from the parent plant is known as
1. dispersal
2. germination
3. fertilization
4. asexual reproduction
Seed dispersal does not reduce competition between the seedlings and the parent plant for
1. light
2. oxygen
3. water
4. minerals
In an experiment to determine the conditions necessary for germination, one of the test tubes had seeds placed under cooled boiled water. Why was the water boiled?
1. To remove oxygen from the water.
2. To remove carbon dioxide from the water.
3. To kill germs in the water.
4. To get the water to a suitable temperature for germination.
Which pair of words are missing from the following statement:"Strawberries produce __________ which allows them to __________ reproduce".
1. runners, asexually
2. runners, sexually
3. pollen grains, asexually
4. fruit, sexually
The function of the carpel is to
1. produce egg cells containing female gametes
2. produce male gametes in the ovary
3. protect the bud
4. attract insects for pollination
The stigma, the style and the ovary are contained in the
1. carpel
2. stamen
3. seed
4. petals
The filament and the anther make up the
1. stamen
2. carpel
3. seed
4. ovary
Which one of the following characteristic(s) would you associate with insect-pollination?
1. Highly coloured petals with nectar and scent
2. Small green petals
3. Large amounts of small pollen
4. Stamen and carpels found outside the flower
In the carpel, the male gamete makes its way to the female gamete by passing down through the
1. pollen tube
2. nectar
3. filament
4. sepal
Which one of the following is not part of a seed?
1. zygote
2. plumule
3. radicle
4. testa
Which one of the following is the correct order in which a plant may reproduce?
1. Germination, pollination, seed dispersal, fertilisation, seed formation.
2. Pollination, fertilisation, seed formation, dispersal, germination.
3. Fertilisation, pollination, germination, seed dispersal, seed formation.
4. Pollination, seed formation, fertilisation, germination, seed dispersal.
The production of pollen grains is a function of the
1. anther
2. filament
3. style
4. ovule
Sexual reproduction involves the fertilisation of
1. two gametes
2. two sperm
3. two eggs
4. two ova
A strawberry plant may successfully reproduce through
1. sexual reproduction only
2. asexual reproduction only
3. both sexual and asexual reproduction
4. wind-pollination
A wind-pollinated flower will have
1. small petals, large anthers and have a feathery stigma
2. large petals, small anthers and produce scent
3. small petals, nectar and produce scent
4. large anthers, coloured petals and produce nectar
The part of the plant involved in sexual reproduction is
1. stem
2. flower
3. shoot
4. root
Which one of the following is NOT a method of seed dispersal?
1. animal
2. wind
3. self
4. germination
Which one of the following is NOT part of a seed?
1. food store
2. stigma
3. plumule
4. testa
Name the parts labelled X and Y in the seed shown.
1. X = plumule, Y = testa.
2. X = food store, Y = radicle.
3. X = plumule, Y = radicle.
4. X = radicle, Y = testa.
How are dandelion seeds dispersed?
1. wind
2. self
3. water
4. animal

Junior Cert Science - Biology - Plant Reproduction

Multiple Choice Quiz