Parts of a Plant

Learn about plants in this quiz.

Parts of a Plant

This Science quiz is called 'Parts of a Plant' and it has been written by teachers to help you if you are studying the subject at middle school. Playing educational quizzes is a fabulous way to learn if you are in the 6th, 7th or 8th grade - aged 11 to 14.

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All plants are made up of five parts. These include its root, its stem, the leaves, the flower and, finally, the seeds and/or fruits.

What is a plant? A plant is any living organism that synthesizes its food from inorganic substances. It is a multi-cellular organism and is a member of the Plantae Kingdom.

Each part of a plant plays a unique and vital role in the entire functioning of the plant.

Root System: The part of the plant that is typically found underground is the root system.

The root has several functions. First, it anchors the plant from being blown away from its position. Second, it stretches itself through the soil in search of water and nutrients and then transports the water and the nutrients to the stem.

The Stem: As the root transports water and nutrients to the stem, the stem absorbs those food items and then transports them to the leaves through two different forms of cells. These cells are the xylem cells, which moves up the water through the stem and out to the leaves, and the phloem cells which moves the nutrients through the same process. The stem’s other function is to support the upper part of the plant so that it can receive the proper amount of sunlight. The sunlight also provides nutrients to the plant.

The Leaves: Leaves have one sole purpose and that is to make more food for the plant through a process known as photosynthesis. As the leaves absorb sunlight, it affects the plant’s color (generally green). The leaves use the energy of the sun, carbon dioxide from the air and water from the soil to make glucose which is a sugar that the plant uses as food.

The Flower: The flower is the reproductive part of all plants. Flowers are either female, meaning they have what is called a pistil, or male, meaning they have a stamen. The stamen produces a substance known as pollen. In order for a plant to reproduce, the pollen must go from the stamen to the top of the pistil which is also called a stigma. We call this process – pollination.

The Fruit/Seed: The fruit is the ripened ovary of a plant. This part contains the seeds. Each seed within the fruit is a tiny plant embryo with its own leaf, stem and root parts. The fruits a plant bears can then be used as a food source for both man and animals.

POLLINATION: There are two kinds of pollination, i.e., self-pollination and cross-pollination.

Self-pollination is when the pollen is transported from the stamen to the pistil in the same plant.

Cross-pollination is when the pollen is transported from the stamen of one plant to the pistil/stigma of another plant. This can occur through the blowing of wind or through the help of bees that buzz around from one plant to another.

Once a plant has been pollinated, the flower, seed and/or fruit can then begin to grow. Without pollination, there would be no flowers or fruits so it is the most critical part of the plant life.

1.
This part of a plant absorbs sunlight.
Flower
Stem
Leaves
Stigma
The leaves of a plant absorb sunlight giving the plant energy and color. Answer (c) is correct
2.
The process by which leaves make energy and which affect plant color is known as __________.
pollination
photosynthesis
xylem
phloem
Photosynthesis is the process by which the leaves of a plant make energy. It also affects the color of a plant. Answer (b) is correct
3.
Flowers are either _______ or _____.
female or male
fruits or seeds
pistils or stamen
xylem or phloem
Almost all flowers are either female or male. Answer (a) is correct
4.
This part of a plant anchors the plant from being blown away.
Fruit
Stem
Leaves
Root
Typically found underground, the root system of a plant anchors it in place to withstand the elements. Answer (d) is correct
5.
All plants are made up of ___ parts.
3
4
5
6
All plants are made up of 5 essential parts, the root, stem, leaves, flower and fruit/seed. Answer (c) is correct
6.
When the pollen is transported from the stamen to the pistil in the same plant it is known as ______________.
ovary of the plant
self-pollination
cross-pollination
transportation of nutrients
Self-pollination is when the pollen that is produced by the stamen is transported to the pistil in the same plant. Answer (b) is correct
7.
When the pollen is transported from the stamen of one plant to the pistil/stigma of another plant it is known as _________________.
cross-pollination
photosynthesis
self-pollination
organisms
Cross-pollination is when the pollen of one plant is transported to the pistil of another plant by means of the wind or bees. Answer (a) is correct
8.
This part of the plant transports water and nutrients to the leaves.
Sun
Root
Flower
Stem
The stem of the plant absorbs water and nutrients through the plant’s roots and then transports them to the leaves. Answer (d) is correct
9.
The stem transports water and nutrients to the leaves through two kinds of cells known as _______.
pistil and stigma
stamen and pollen
xylem and phloem
ovary and pistil
The two cells that transport water and nutrients through the stem and out to the leaves are the xylem cells which move the water and the phloem cells which move the nutrients. Answer (c) is correct
10.
This is the most critical part of the plant’s life.
Water
Pollination
Nutrients
Phloem
Without pollination, a plant would not bear any fruit or seeds so its life-cycle would cease. It would also cause great food shortages for both man and animals. Answer (b) is correct
Author:  Christine G. Broome

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