5th Class General Science Chapter 3 Flowers and Seeds MCQs (پھول اور بیج) | PakMCQs

Flower is correct because it is the reproductive part of the plant that attracts insects for pollination with its colors and scents.

Rose is correct because in many varieties of roses, a single beautiful flower grows at the end of an individual stalk.

Mustard is correct because its flowers grow close together in groups or bunches rather than individually.

Pedicel is correct as it is the scientific name for the small stem that supports an individual flower.

Four is correct because a typical flower consists of four main structural parts arranged together on the pedicel.

In the form of four whorls is correct because the flower parts are arranged in circular patterns or rings around the center.

Sepals, Petals, Stamens, Carpel are the correct four parts that make up the complete structure of a flower.

Sepals is correct because these are the outermost green leaf-like structures that form the first whorl of a flower.

To protect the internal structures is correct because sepals cover and shield the delicate inner parts of the flower during the bud stage.

Petals is correct because they are the bright, coloured leaflets that make up the second whorl of the flower structure.

To attract insects and birds is correct because the bright colours of petals draw pollinators to the flower for reproduction.

Stamen is correct because it is the collective term for the male parts located in the third whorl of the flower.

It is the male reproductive part is correct because the stamen is responsible for producing the male gametes needed for plant reproduction.

It is round or oval sac-shaped is correct because anthers are tiny yellow structures that hold the pollen grains inside them.

Here, pollen grains are formed is correct because the anther is the specific site where male reproductive cells are produced.

Filament is correct because it is the thin, long stalk that carries and supports the anther at its tip.

To give support to the anther is correct because the filament holds the anther in the right position for pollen release.

Carpel is correct because it occupies the innermost fourth whorl and contains the essential female components.

It is the female sexual reproductive part is correct because the carpel is where fertilization happens and seeds eventually develop.

It is the bottle-shaped part is correct because the stigma is the top receptive portion of the carpel designed to catch pollen.

Pollen grains adhere to it and germinate is correct because the stigma provides a sticky surface for pollen to land and start growing a tube.

It is the neck-shaped part below the stigma is correct because the style connects the top stigma to the bottom ovary.

The pollen tube passes through it is correct because the style provides a path for the male gametes to reach the ovules.

Oval-shaped part below the style is correct because the ovary is the swollen base of the carpel.

It has one or more ovules is correct because the ovary protects the ovules which later turn into seeds after fertilization.

Anther is correct because it is the part of the stamen that produces and stores the tiny pollen grains.

Male sex cells is correct because each pollen grain carries the genetic material needed to fertilize the plant.

Stigma is correct because it is the sticky receiving part of the carpel where pollen lands to begin the fertilization process.

Pollination is correct because it is the essential biological step that allows plants to produce seeds and fruits.

Two is correct because plants use two different methods of transferring pollen based on whether it stays on the same plant or goes to another.

Self and cross pollination is correct because these are the two ways plants transfer pollen to ensure reproduction.

Self pollination is correct because the transfer of pollen occurs within the single flower, not moving to another plant.

Self pollination is correct because even if the flower is different, the plant remains the same, keeping the process internal.

Pea, cotton and tomato is correct because these specific plants have a flower structure that allows self pollination to happen easily.

Cross Pollination is correct because it involves the movement of pollen grains between two different plants of the same type.

Same type is correct because pollen from one species can only fertilize a flower of the same species or type.

Maize, papaya, and rose is correct as these plants rely on external agents to carry pollen from one plant to another for reproduction.

China rose is correct because it can contain multiple female reproductive parts (carpels) within a single flower structure.

Insects and air are correct because they are the primary natural carriers that transfer pollen grains between most plant species.

Different is correct because flowers adapt their physical shape and features based on whether they rely on the wind or insects to move pollen.

Bats and water are correct as they also serve as important biological and physical agents for pollen transfer in specific environments.

Male and female flowers are on separate plants is correct because for fruit to form, pollen must travel from a male plant to a female plant.

The ability of reproduction is correct because only living things can produce new offspring, while non-living things cannot.

Limited is correct because every living organism has a specific time to live and cannot stay alive forever.

They die is correct because death is the natural end of the life cycle for every living organism on Earth.

Life is correct because the process of reproduction ensures that new organisms are always born to replace those that die.

So that their generation continues is correct because reproduction allows a species to survive and exist through many generations.

Cut it into two or three pieces is correct because segmenting the rose stem allows you to create several potential new plants from a single parent branch.

At least two is correct because nodes are the points where roots and shoots grow, so having them in the soil helps the plant establish itself.

Buds is correct because these small growths will eventually develop into new leaves and branches as the stem grows.

Its leaves is correct because removing leaves helps the stem focus its energy on growing new roots instead of maintaining existing foliage.

New leaves appear is correct because it indicates that the stem has successfully started growing and absorbing nutrients from the soil.

Stem cutting is correct because it is a method of plant propagation where a cut portion of the stem is used to grow a new individual.

Asexual reproduction is correct because stem cutting creates a new plant from a single parent part without the need for seeds or fertilization.

Only one plant is correct because asexual reproduction does not require the joining of male and female parts from two different plants.

Flowers is correct because they are the sexual reproductive organs of a plant, whereas asexual reproduction uses vegetative parts.

Root, stem, and leaves is correct as these are vegetative parts that can grow into a complete new plant under the right conditions.

They have a great similarity is correct because the new plant is a genetic clone of the single parent plant it grew from.

Layering, bulb, and tuber is correct because these are natural and artificial methods to grow plants without using seeds.

Layer is correct because it refers to the specific part of a shrub's branch that stays underground to start the reproduction process.

New roots is correct as the buried branch develops its own root system while still attached to the parent plant.

It develops into a new plant is correct because once it has roots, it can survive and grow as a separate individual.

Layering is correct because it is a vegetative propagation method where a branch is rooted while still attached to the parent.

It is also done artificially is correct because gardeners and farmers often manually bury branches to produce more plants.

Lemon, jasmine, and lychee is correct because these plants respond well to the layering technique for producing new offspring.

Onion and garlic are correct because they belong to the bulb category of plants, which are used to study vegetative reproduction in science.

At the base is correct because the stem of an onion is a very short, disc-like structure found at the very bottom of the bulb.

Thick fleshy leaves is correct because these layers store food for the plant and make up the bulk of the onion bulb.

At the start of suitable season is correct because specific environmental conditions are needed for the stem to begin growing new roots.

By cutting the base with roots and burying it in soil is correct because this part contains the active stem and roots required to grow a new plant.

An underground thick stem is correct because a tuber is a modified stem that grows beneath the soil to store nutrients for the plant.

Potato is correct because it is a classic example of an underground tuber that stores starch and helps in asexual reproduction.

Buds is correct because the 'eyes' on a potato tuber are the growth points from which new shoots and leaves emerge.

New plants develop from them is correct because the buds (eyes) use the stored energy in the potato piece to grow into a complete plant.

Flowers is correct because they are the specialized reproductive structures where sexual reproduction occurs in flowering plants.

Stigma is correct because it is the receiving part of the flower where pollen grains land during the pollination process.

Pollen tube is correct because it is the narrow structure that grows from the pollen grain to carry male gametes to the ovary.

Ovary is correct because the pollen tube must travel through the style to reach the swollen base where fertilization happens.

Ovule is correct because the pollen tube enters this specific structure inside the ovary to deliver male gametes for fertilization.

Pollen tube is correct because it is the site where male gametes are produced during their journey towards the female part.

Ovule is correct because this structure inside the ovary is responsible for producing and protecting the female gametes.

Zygote is correct because it is the initial cell formed by the fusion of male and female gametes during fertilization.

Embryo is correct because multiple cell divisions of the zygote eventually develop into the young plant inside the seed.

Seed is correct because after fertilization, the ovule develops a hard coat and stores the embryo as a seed.

Fruit is correct because the ripened ovary becomes the fleshy or dry part that surrounds and protects the seeds.

Two parents is correct because sexual reproduction requires the contribution of genetic material from both a male and a female source.

Asexual reproduction is correct because it allows a single plant to produce offspring without the need for another parent.

Male and female gametes fuse is correct because the joining of these two sex cells is necessary to form a new plant in this process.

There is no fusion is correct because asexual reproduction relies on vegetative parts like stems or roots instead of sex cells.

They do not completely resemble is correct because sexual reproduction combines traits from two different parents, leading to variation.

Asexual reproduction is correct because asexual reproduction produces offspring that are genetic copies of the single parent plant.

It is a slow process is correct because sexual reproduction involves many stages like pollination, fertilization, and seed development.

It is a quick process is correct because asexual reproduction can rapidly produce new plants from parts like stems without waiting for seeds.

Seed coat or testa is correct because it is the hard protective outer layer that covers the entire seed from external damage.

To protect the tiny embryo is correct because the seed coat acts as a shield for the baby plant growing inside the seed.

Micropyle is correct because it is a tiny opening that allows water and air to enter the seed for growth.

Cotyledons is correct because these seed leaves store the necessary nutrients used by the young plant during early growth.

Between the two cotyledons is correct because the central part of the developing plant sits right in the middle of the food-storing leaves.

Radicle is correct as it is the part of the embryo axis that sits near the bottom pointed end of the seed.

Roots is correct because the radicle is the first part to grow downward into the soil to anchor the plant and absorb water.

Plumule is correct because it is the upper portion of the embryo axis that grows upward to become the plant's aerial parts.

Shoot is correct as the plumule develops into the stem and leaves of the young plant after germination.

Germination is correct because it describes the specific stage in a plant's life cycle when the seed begins to grow and develop into a young plant.

Micropyle is correct because it is a tiny pore in the seed coat that allows moisture to enter the seed and trigger growth.

It bursts is correct because the pressure of the swelling seed causes the outer seed coat to break open so the seedling can emerge.

Cotyledons is correct because they store the energy and nutrients needed by the young plant parts before they can make their own food.

Towards the ground is correct because the radicle naturally grows downward into the soil to establish the root system.

A tiny shoot is correct as the plumule is the part of the embryo that develops into the stem and leaves above the soil.

First leaflets is correct because the cotyledons emerge from the seed as the initial leaves to support the plant's growth.

Till the new leaves appear on the stem is correct because once the plant grows real leaves, it can produce its own food through photosynthesis.

Monocot plant is correct because maize belongs to the group of plants that have only one seed leaf (cotyledon) in their seeds.

One is correct because maize is a monocotyledonous plant, meaning its embryo has a single cotyledon to support early growth.

Oval and flat is correct because these terms accurately describe the physical appearance and structure of an individual maize grain.

Thin seed coat is correct as it is the protective outer layer that covers and shields the internal parts of the maize seed.

Endosperm is correct because it is the specialized tissue in monocot seeds where nutrients are stored for the developing embryo.

In the endosperm is correct because this part of the seed serves as the main food reservoir for the seedling during germination.

One cotyledon, a radicle, and a plumule is correct because these are the three essential components of the young plant found inside the seed.

Two is correct because a gram seed is a dicot, meaning its embryo contains two seed leaves or cotyledons.

Conical, pear-shaped and light brown is correct as it describes the typical physical appearance of a mature gram seed.

A thick seed coat is correct because the gram seed has a tough outer layer that protects the internal embryo from damage.

Micropyle is correct because it is the tiny pore present on the gram seed coat, even though the seed stores food in cotyledons instead of an endosperm.

Beneath the seed coat is correct because the cotyledons are the primary internal structures protected by the outer covering.

Between the two cotyledons is correct because the embryo axis, which contains the future root and shoot, is tucked between the food-storing leaves.

Radicle is correct because it is the part of the axis that grows downward to form the root system of the plant.

Plumule is correct as it is the part of the embryo axis that grows upward to become the stem and leaves of the seedling.

Gram has two, Maize has one is correct because gram is a dicot while maize is a monocot plant.

Gram Seed is correct because it stores its food in the cotyledons instead of an endosperm.

Endosperm is present is correct as it is the specialized tissue in maize seeds used for storing nutrients.

At the centre of the seed is correct because the gram embryo is positioned centrally between its two cotyledons.

At one side of the seed is correct because in monocot seeds like maize, the embryo is pushed to one corner or side.