Font size
WorksheetsSCIENCE Modes of Reproduction in Plants
Total questions: 135
Worksheet time: 1hrs 14mins
True or False: Flowering plants have true roots ,stems ,and leaves. Their seeds are inside a fruit.
true
false
Most trees, bushes, and vegetables belong to what group?.
Flowering Plants
Non-flowering Plants
(a) is a part of a plant that makes seeds. Its function is to reproduce new plants. The attractive part of a plant
The male part of a flower is called (a) .
The female part of a flower is called (a) .
What are the two modes of reproduction of flowering plants?
(a)
How many percent of the species in the plant kingdom are flowering plant?
90%
60%
40%
___________have seed that are enclosed in a container or case called ovary.
Flowers are the most distinctive features of this type of plant.
Angiosperms
Gymnosperms
(a) are the reproductive structures of plants. Important function is to ensure fertilization of the egg cell within the ovule.
As the egg cell is fertilized the o____ develops into a seed, and the ovary that encloses the ovules, ripens and becomes a f____.
(a)
A flower is composed of 6 parts...
1. C______
2. C____
3. S_____
4. P_____
5. R_________
6. P_______
Corolla, Calyx, Stamen, Pistil, Receptacle, and Peduncle
Corola, Calix, Staman, Pishtil, Riciptacil, Piduncle
Colora, Carix, Stimen, Pestil, Roceptacle, Paduncle
_____ comprises or a group of PETALS of the flowers. Come in various shapes and sizes.
Corolla
Calyx
Receptacle
The function is for protection and attraction. Contain nectarines that give them the characteristic scent. Its bright colors and scent attract agents of pollination.
Corolla
Calyx
Receptacle
What is the name of flower part consists of stigma, style, ovary and ovules?
pistil
perianth
stamen
What is the name of flower part consists of petal or corolla and sepal or calyx?
pistil
perianth
stamen
What is the name of flower part consists of anther (connective, grains and pollen) and filament?
pistil
perianth
stamen
name the circled part
(a)
name the circled part
(a)
name the circled part
(a)
name the circled part
(a)
name the circled part
(a)
name the circled part
(a)
name the circled part
(a)
name the circled part
(a)
The calyx comprises or a group of _______ of the flowers. Typically green and protect the flower when it is still a bud and contribute to the process of photosynthesis of the plant.
sepal
receptacle
peduncle
p______ and s_____ form the floral envelope of a flower.
(a)
Supports the entire flower.
receptacle
peduncle or stalk
calyx or sepals
Connects the flower to the branch or stem.
receptacle
peduncle or stalk
calyx or sepals
Accessory parts of the flower protect and support the essential parts. Calyx/ Sepal, Corolla/ Petals, Receptacle, and Peduncle or Stalk are comprises of what parts?
Accessory Parts
Essential Parts
Stamen and Pistil or Carpel are reproductive organs of the flower which are comprises of what parts?
Accessory Parts
Essential Parts
The female reproductive structure of a flower. Made up of 3 parts (stigma, style and ovary).
(a)
The swollen knob tip of the pistil. This part is covered by sticky substance that the pollen grains can adhere to.
stigma
style
ovary
The long, slender tube that connects the stigma and ovary. Functions as a conveyor for the pollen tube.
(a)
The enlarged basal portion of the pistil that houses the ovule. It contains ovules(eggs)
stigma
style
ovary
The male reproductive structure of a flower. It is composed of 2 main parts ( anther and filament).
(a)
The expanded and lobular structure at the tip of the filament.
The pollen- producing organ of the flower. The head of the stamen that contains pollen grains.
(a)
The long stalk that holds the anther.
(a)
Occurs when the pollen grains of
one flower reaches the stigma of another flower same kind.
(a)
During pollination: (Arrange the PROCESS OF POLLINATION by letters)
A. The pollen grains grow a pollen tube
downward until it reaches an ovule and releases
two (2) sperms.
B. One (1) sperm fertilizes an egg cell and
Other sperm fertilizes the female structure
Called Polar nuclei.
C. The sperm cells from the pollen grain are
released on the stigma.
(a)
The pollen grains grow a pollen tube
downward until it reaches an ovule and releases two (2) sperms.
One (1) sperm fertilizes an egg cell. The union of the first sperm with the egg cell becomes a _______ which becomes plant
embryo.
plant zygote
endosperm
polar nuclei
The pollen grains grow a pollen tube
downward until it reaches an ovule and releases two (2) sperms.
The union of the second sperm with the
polar nuclei produces the ________ (the food
storage tissue around the embryo). Second sperms
also forms an outer coat the protects the new seed.
plant zygote
endosperm
polar nuclei
The female structure of the flower.
plant zygote
endosperm
polar nuclei
When pollen grains grow a pollen tube
downward until it reaches an ovule and releases two (2) sperms.
One fertilizes an egg cell and the other one fertilizes the polar nuclei ( female structure of plants). This is the reason why fertilization in flowering plants is referred to as ___________.
double fertilization
dual fertilization
twin fertilization
Happens when one sperm
cell of a pollen grain fertilizes an egg cell, while the
other cell combines with cell called endosperm.
(a)
Only flowering plants form seeds through double
fertilization.
true
false
* After fertilization occurred: (Arrange the next steps will happen)
1. The ovary grows and becomes the fruit.
2. The rest of the flower dries up and falls.
3. The fertilized ovules become the seeds.
(a)
A kind of Pollination occurs when the pollen is
transferred from the stamen of one flower to the
pistil of the SAME FLOWER.
(a)
A kind of Pollination occurs when pollen grain is
transferred from the anther of one flower to the
stigma of ANOTHER FLOWER of the same kind. It is the most common method of pollination. It requires agents to carry the pollen from flower to flower.
(a)
Identify the agents of pollination
bees, butterflies, dragonflies and other insects
water
wind
people
Process by which seeds
are scattered, moved, or transported
away from the parent plant to a much
wider area.
(a)
This is done by plants to prevent
overcrowding of the same plants in a
specific area. Prevents competition
among same types of plants in order
to increase the species’ chances of
survival.
Self-pollination
Cross-pollination
Seed dispersal
During this period the seed stops doing
any type of activity, this dormancy
continues until the seed meets the
requirements in order to germinate.
Self-pollination
Cross-pollination
Seed dispersal
Basic Parts of the Plant:
Absorbs water and nutrients from the soil.
(a)
Basic Parts of the Plant:
Transports water and nutrients.
(a)
Basic Parts of the Plant:
Make food, site of photosynthesis.
(a)
Basic Parts of the Plant:
Makes plant seeds, attract pollen-carrying insects.
(a)
Basic Parts of the Plant:
Contain seeds
(a)
Basic Parts of the Plant:
Food storage and it grows into a new plant.
(a)
(a)
Plants that have flowers as their reproductive parts are called
(a)
Angiosperms have seed that are enclosed in a container or case called
ovary
ovule
pistil
The (a) are the most distinctive features of angiosperm.
petals
corolla
sepal
sepals or calyx
petals or corolla
peduncle or stalk
(a)
(a)
(a)
(a)
(a)
(a)
Name the circled part
(a)
Name the circled part
(a)
Name the circled part
(a)
Name the circled part
(a)
Name the circled part
(a)
Name the circled part
(a)
Name the circled part
(a)
Name the circled part
(a)
Name the circled part
(a)
Name the circled part
(a)
Name the circled part
(a)
Name the circled part
(a)
Name the circled part
(a)
The top of the pistil. Sticky surface that receives the pollen.
stigma
anther
ovary
4 (Four) Steps in Sexual Reproduction of Flowering Plants
1. P (a)
2. Fertilization
3. Seed dispersal
4. Germination
4 (Four) Steps in Sexual Reproduction of Flowering Plants
1. Pollination
2. Fertilization
3. S___ d________
4. Germination
(a)
4 (Four) Steps in Sexual Reproduction of Flowering Plants
1. Pollination
2. F (a)
3. Seed dispersal
4. Germination
4 (Four) Steps in Sexual Reproduction of Flowering Plants
1. Pollination
2. Fertilization
3. Seed dispersal
4. G (a)
After pollination, the pollen releases male gametes in the stigma, which go down through the style, to the ovule, for f (a) . When the ovule is fertilized, the flower withers and develops into a fruits that contains seeds.
After pollination, the pollen releases male gametes in the stigma, which go down through the style, to the ovule, for fertilization. When the o (a) is fertilized, the flower withers and develops into a fruits that contains seeds.
The seed needs to be distributed to other places to avoid competition for space and nutrition.
(a)
When a seed starts to sprout due to favorable environment conditions, (a) happen.
In ______ ____________ new plants are produced without the egg and the sperm uniting, no sex cells, no seeds are involved. It is a form of reproduction that requires only one parent and produces an organism that is genetically identical to the parent.
(a)
Asexual reproduction involves producing new plants using.
leaves
stems
roots
seeds
A natural vegetative propagation. Horizontal stem with buds. It grows along the surface of the ground.
runners or stolon
suckers
bulb
When bud from runners or stolon touch the soil; roots, stems, and leaves develop to form a new independent plant. What are the following plants produce runners?
bermuda grass and carabao grass
Bananas
onions, garlic, and lilies
A natural vegetative propagation. These are small plants that grow around the main plants. These shoots grow their own roots and can be separated from the main plant.
runners or stolon
suckers
bulb
Suckers are small plants that grow around the main plants. These shoots grow their own roots and can be separated from the main plant. What are/is the following plant/s grow from suckers?
bermuda grass and carabao grass
Bananas
onions, garlic, and lilies
A natural vegetative propagation. It is a round, fleshy stem found underneath the ground surrounded by fleshy leaves. _______ store nutrients for the plants
runners or stolon
suckers
bulbs
Plants can grow from these bulbs by simply taking one bulb from a plant and planting it. What are/is the following plant/s grow from bulbs?
bermuda grass and carabao grass
Bananas
onions, garlic, and lilies
A natural vegetative propagation. An enlarge portion of an underground stem that contains stored food. Along the surface of a tuber are tiny holes called “eyes”. These eyes are actually tiny buds.
tubers
rhizomes
bulbs
The young shoot of tuber uses the stored food of the tuber until it develops sufficiently to carry on photosynthesis. What are/is the following plant/s grow from tuber?
whole potatoes and sweet potatoes
ginger and bamboo
onions, garlic, and lilies
A natural vegetative propagation. Which stem that grows horizontally underground. It is usually thick and fleshy and contains stored food. Along are enlarge portions called NODES. The lower surface produces roots.
tubers
rhizomes
bulbs
Buds produced at nodes on the upper surface of the rhizome give rise to leaf-bearing branches. The lower surface of the rhizomes produces roots . What are/is the following plant/s grow from rhizomes?
whole potatoes and sweet potatoes
ginger and bamboo
onions, garlic, and lilies
An artificial vegetative propagation. Any vegetative part of a plant – stem, leaf, or root – used to produce a new plant.
cutting
layering
grafting
In stem cutting, a branch or slip is cut from a plant and placed in water or moist sand. What plant/s are/is propagated in this manner.
geraniums, rose, ivies, and grapevines
african violets, snake plants, and begonias
raspberries, roses, and honeysuckles
In leaf cutting, a leaf or part of a leaf is places in water or moist soil. After a while, a new plant develops from a certain cells in the leaf. What plant/s are/is propagated in this manner.
geraniums, rose, ivies, and grapevines
african violets, snake plants, and begonias
raspberries, roses, and honeysuckles
An artificial vegetative propagation. A stem is bent over so that a part of it is covered with soil. After the covered part forms roots, the new plant may be cut from the parent plant. With the used of this raspberries, roses, and honeysuckles are reproduce, this also occurs naturally.
cutting
layering
grafting
An artificial vegetative propagation. This is one of the most widely used methods of producing woody plants. Two healthy stems from different plants are taken and put together.
cutting
layering
grafting
By grafting, the attached stem becomes a part of the other plant, which will supply it with needed water and nutrients for its nourishment. Grafting is used to propagate what plant/s?.
geraniums, rose, ivies, and grapevines
roses, oranges and grapes
raspberries, roses, and honeysuckles
An artificial vegetative propagation. This is done by removing a portion of the bark of a healthy stem. The exposed part of the stem where the bark used to be is covered with coconut husk containing a small amount of good soil.
marcotting
layering
grafting
Reproduction in Non-FloweringPlants
(a) are seeds of non-flowering plants that are exposed to the air. It is a term which means “naked”.
One of the major groups of gymnosperm plant is the (a) . It produce woody cones that hold their seeds. Example: Pine trees
There are some non-flowering plants that produce seeds. Instead, they use spores to reproduce. Spore-producing plants include m_____ and f____.
(a)
What is the colorful part of the flower that protects the lower parts where the seeds are made?
Petal
Pistil
Sepal
Which of the following plants is grown from bulb?
Onion
Ginger
Potato
What is the female part of the flower?
Pistil
Stamen
Sepal
Small leaf-like structures forming an outer circle at the base of a flower.
Stamen
Petal
Sepal
These are all underground stems; the "eyes" grow in to new roots and shoots to grow a new plan.
Runners
Tubers
Rhizomes
Which of the following is needed by seedless plant to reproduce?
pollen grains
spores
stamen
Which of these take place when zygote is formed?
fertilization
germination
pollination
Which of these is contained in a pollen grain?
a male sex cell
a male sex cell and spores
a male sex cell and an egg cell
Which part of a plant contains the reproductive cells of conifers?
cone
leaf
stem
Which of these factors are needed for seed germination?
water and soil
soil, water, and proper temperature
soil, water, sunlight, and proper temperature
Which of these should take place first before flower can produce fruits?
fertilization
seed dispersal
pollination
How do the male sex cells reach the ovules the plant during pollination?
through the anther
through the ovary
through the stigma
Where does a papaya fruit come from?
anther
pollen grains
a ripened ovary
Why are squash, cucumber, and green pepper classified as fruits?
They are edible
They contain seeds
They came from plants
Which of the following plants is nonvascular?
conifer
fern
flowering plant
moss
In a flower, petal function to __________.
attract pollinators
produce pollen
protect the seeds
David has a pine tree in the backyard. He wants to grow more pine trees. He wonders how the pine tree reproduces since it has no flowers. What information will you give to David?
Look for seeds in its cone.
Pine trees reproduce by cutting.
Continue to water it every day.
A farmer wanted his mango trees to produce more and larger fruits. What will you advice this farmer?
Plant more mango seedlings.
Cut the branches and wait for leaves to grow.
Spray the tree with plant hormone.
Which of the following sequences shows the correct order of events that occur after an insect brings pollen to a flower?
germination, fertilization, pollination
pollination, germination, fertilization
pollination, fertilization, germination
The life cycle of gymnosperms is different from the life cycle of angiosperms because ______.
gymnosperms have to be pollinated
gymnosperms do not undergo fertilization
gymnosperms produce spores during the sporophyte stage
When does fertilization occur?
When the pollen tube grows larger.
When the pollen grains falls on the stigma.
When the sperm unites with the egg cell inside the ovule.
