$CATEGORY: Science - Khan Academy/8.How do Organisms Reproduce?/8.How do Organisms Reproduce?--Sexual Reproduction

//Multiple Choice

What is the male reproductive part of a flower? {
    =Stamen
    ~Carpel
    ~Ovary
    ~Petal
}

Which part of the stamen produces pollen grains? {
    ~Filament
    =Anther
    ~Ovule
    ~Style
}

What is the function of the filament in a flower? {
    ~Produces ovules
    =Supports the anther
    ~Protects the ovary
    ~Attracts pollinators
}

Which part of the carpel receives the pollen during pollination? {
    ~Ovary
    ~Style
    =Stigma
    ~Filament
}

What is the female reproductive part of a flower called? {
    ~Stamen
    =Carpel
    ~Sepal
    ~Petal
}

The ovary of the carpel develops into which structure after fertilization? {
    =Fruit
    ~Seed
    ~Flower
    ~Pollen grain
}

Which part of the carpel connects the stigma to the ovary? {
    =Style
    ~Anther
    ~Filament
    ~Sepal
}

What do pollen grains contain? {
    ~Female gametes
    =Male gametes
    ~Ovules
    ~Seeds
}

Which of the following is NOT a part of the stamen? {
    ~Anther
    ~Filament
    =Ovary
    ~None of the above
}

Where are ovules found in a flower? {
    ~Anther
    ~Stigma
    =Ovary
    ~Petal
}

//True or False

The stamen is the male reproductive part of the flower. {T}

The carpel consists of the stigma, style, and ovary. {T}

Pollen grains are produced in the ovary. {F}

The ovules are located inside the ovary of the carpel. {T}

The filament supports the stigma. {F}

The stigma is the sticky surface that captures pollen grains during pollination. {T}

After fertilization, the ovule develops into a fruit. {F}

The stamen consists of the anther and filament. {T}

The style is a part of the stamen. {F}

Pollination is the transfer of pollen grains from the anther to the stigma. {T}

//Fill in the blanks

The stamen consists of two main parts\: _______ and _______. {
    ~Anther, Ovary
    =Filament, Anther
    ~Stigma, Style
    ~Ovule, Style
}

The _______ is the female reproductive part of the flower. {
    ~Stamen
    =Carpel
    ~Sepal
    ~Petal
}

The _______ is the sticky part of the carpel that receives pollen. {
    ~Ovary
    =Stigma
    ~Style
    ~Anther
}

Pollen grains are produced in the _______ of the stamen. {
    ~Filament
    =Anther
    ~Ovary
    ~Style
}

The ovary contains _______ which develop into seeds after fertilization. {
    ~Pollen grains
    =Ovules
    ~Petals
    ~Stigma
}

The _______ is a tube-like structure that connects the stigma to the ovary. {
    =Style
    ~Anther
    ~Filament
    ~Sepal
}

The male gametes are present in the _______. {
    ~Ovary
    =Pollen grains
    ~Ovules
    ~Sepals
}

After fertilization, the ovary develops into a _______. {
    ~Seed
    =Fruit
    ~Flower
    ~Root
}

The stamen is also known as the _______ reproductive part of the flower. {
    =Male
    ~Female
    ~Neutral
    ~None of the above
}

The _______ protects the flower in its bud stage. {
    =Sepals
    ~Petals
    ~Anther
    ~Ovules
}

//Numericals

A flower has 5 stamens. If each anther produces 200 pollen grains, how many pollen grains are produced in total? {
    =1000
    ~500
    ~2000
    ~2500
}

If a plant has 10 ovules in its ovary and all ovules are fertilized, how many seeds will the fruit contain? {
    ~5
    =10
    ~15
    ~20
}

A flower produces 3 carpels. Each carpel contains 4 ovules. How many ovules are present in total? {
    =12
    ~7
    ~9
    ~15
}

If a flower produces 50 pollen grains and only 20% are viable, how many viable pollen grains are produced? {
    =10
    ~20
    ~30
    ~40
}

In a flower with 6 stamens, each filament is 3 cm long. What is the total length of all filaments combined? {
    ~9 cm
    =18 cm
    ~12 cm
    ~6 cm
}

If a flower produces 8 ovules and 75% of them are fertilized, how many ovules develop into seeds? {
    ~4
    =6
    ~8
    ~5
}

A flower has 4 carpels, and each carpel has 5 ovules. How many seeds will form if all ovules are fertilized? {
    ~10
    =20
    ~15
    ~25
}

If a single anther produces 1000 pollen grains, how many pollen grains will 5 anthers produce? {
    ~2000
    ~3000
    ~4000
    =5000
}

A flower produces 2 fruits, and each fruit contains 12 seeds. How many seeds are produced in total? {
    ~10
    =24
    ~20
    ~30
}

If a flower has 10 stamens and each stamen produces 500 pollen grains, how many pollen grains are produced in total? {
    =5000
    ~3000
    ~6000
    ~7000
}


//Match the following

Match the following items from Column A with their correct corresponding options from Column B\:
{
=Stamen -> Male reproductive part
=Carpel -> Female reproductive part
=Anther -> Produces pollen grains
=Ovary -> Contains ovules
}


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