Quiz On Plants Pre-test
Plants are everywhere around us and we consume them to maintain a healthy body. As you have a quiz on plants coming up the pre-test below is set in a way that it will help you revise and ensure you get a high score in the upcoming exam. Give it a shot!
Questions and Answers
- 1.
Plants with roots, stems, leaves, and flowers reproduce with-
- A.
Spores.
- B.
Seeds.
- C.
Chloroplasts.
- D.
Cell walls.
Correct Answer
B. Seeds.Explanation
Plants with roots, stems, leaves, and flowers reproduce with seeds. Seeds are the reproductive structures of plants that contain an embryo and are capable of developing into a new plant under suitable conditions. Spores are another method of reproduction in plants, but they are not specific to plants with roots, stems, leaves, and flowers. Chloroplasts are organelles responsible for photosynthesis and are not directly involved in reproduction. Cell walls are present in plant cells but are not directly related to the reproductive process. Therefore, the correct answer is seeds.Rate this question:
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- 2.
Tiny bits of plant life that make reproduction possible in plants without seeds are -
- A.
Spores.
- B.
Sepals.
- C.
Stamens.
- D.
Pollen.
Correct Answer
A. Spores.Explanation
Spores are tiny bits of plant life that enable reproduction in plants without seeds. They are a form of asexual reproduction where a single parent produces spores that can develop into new individuals. Spores are typically small and lightweight, allowing them to be easily dispersed by wind or water. Once they land in a suitable environment, spores can germinate and grow into new plants. This method of reproduction is commonly observed in ferns, mosses, and fungi. Sepals, stamens, and pollen are all related to sexual reproduction in plants and are not involved in the production of spores.Rate this question:
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- 3.
What is the process by which pollen is transferred from the stamen to the stigma called?
- A.
Photosynthesis
- B.
Respiration
- C.
Reproduction
- D.
Pollination
Correct Answer
D. PollinationExplanation
Pollination is the process by which pollen is transferred from the stamen to the stigma. This is an essential step in plant reproduction, as it allows for the fertilization of the ovules and the production of seeds. During pollination, pollen grains are transported from the male reproductive organ (stamen) to the female reproductive organ (stigma), either by wind, water, or through the help of pollinators such as insects, birds, or bats. This process ensures the genetic diversity and survival of plant species.Rate this question:
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- 4.
What is the "male" part of the flower called?
- A.
Stamen
- B.
Stigma
- C.
Pistil
- D.
Sepal
Correct Answer
A. StamenExplanation
The "male" part of the flower is called the stamen. The stamen is responsible for producing pollen, which is necessary for fertilization. It consists of two parts: the anther, which produces the pollen, and the filament, which supports the anther. The stamen is considered the male reproductive organ of the flower, while the pistil is the female reproductive organ. The stigma is part of the pistil and is responsible for receiving the pollen during pollination. Sepals, on the other hand, are the outermost part of the flower and protect the bud before it blooms.Rate this question:
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- 5.
What is the "female" part of the flower called?
- A.
Stamen
- B.
Pistil
- C.
Sepal
- D.
Embryo
Correct Answer
B. PistilExplanation
The "female" part of the flower is called the pistil. It is the reproductive organ of the flower that contains the stigma, style, and ovary. The stigma is the sticky tip where pollen is received, the style is the slender tube that connects the stigma to the ovary, and the ovary contains the ovules which develop into seeds after fertilization. The pistil plays a crucial role in the reproduction of flowering plants by receiving pollen and facilitating the fertilization process.Rate this question:
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- 6.
Which part of the flower produces pollen?
- A.
Pistil
- B.
Stamen
- C.
Sepal
- D.
Petal
Correct Answer
B. StamenExplanation
The stamen is the part of the flower that produces pollen. It consists of two main parts: the anther and the filament. The anther is responsible for producing and releasing the pollen grains, while the filament supports the anther. The pollen is essential for the process of pollination, where it is transferred from the stamen to the pistil of another flower, enabling fertilization and the production of seeds.Rate this question:
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- 7.
The small leaves that form the housing of a developing flower are the-
- A.
Pistils.
- B.
Petals.
- C.
Sepals.
- D.
Stamens.
Correct Answer
C. Sepals.Explanation
The small leaves that form the housing of a developing flower are called sepals. Sepals are typically green in color and are located at the base of the flower, protecting the developing bud. They play a role in protecting the flower during its early stages of growth and may also provide support. Unlike petals, which are usually colorful and attract pollinators, sepals are usually more inconspicuous and serve a different purpose in the reproductive process of the flower.Rate this question:
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- 8.
What is the young plant inside the seed called?
- A.
Spore
- B.
Fruit
- C.
Stamen
- D.
Embryo
Correct Answer
D. EmbryoExplanation
The young plant inside a seed is called an embryo. This is the stage of development where the plant begins to form and grow. As the seed germinates, the embryo absorbs water and nutrients, allowing it to sprout and develop into a mature plant. The embryo contains all the necessary genetic information and structures to eventually grow into a fully formed plant.Rate this question:
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- 9.
What is a period of suspended life processes called?
- A.
Migration
- B.
Dormancy
- C.
Fertilization
- D.
Adaptation
Correct Answer
B. DormancyExplanation
Dormancy refers to a period of suspended life processes. During dormancy, an organism enters a state of reduced activity, often to conserve energy or survive unfavorable conditions. This state can be observed in various organisms, such as plants during winter or animals during hibernation. Dormancy allows organisms to temporarily halt their normal metabolic functions until conditions become more favorable for growth and reproduction.Rate this question:
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- 10.
Which part of the plant produces food?
- A.
Root
- B.
Stem
- C.
Leaf
- D.
Flower
Correct Answer
C. LeafExplanation
Leaves are the primary site of photosynthesis in plants, where they produce food through the process of converting sunlight, water, and carbon dioxide into glucose and oxygen. This glucose is then transported to other parts of the plant to provide energy for growth and development. The stem and root have other important functions such as providing support and absorbing water and nutrients, but they do not directly produce food like the leaves do. Flowers are involved in reproduction, not food production.Rate this question:
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- 11.
Which part of the plant holds the plant in place?
- A.
Stem
- B.
Root
- C.
Leaf
- D.
Seed
Correct Answer
B. RootExplanation
The root is the part of the plant that holds it in place. It anchors the plant into the ground, providing stability and support. The roots also absorb water and nutrients from the soil, which are essential for the plant's growth and survival. Additionally, roots store food and energy for the plant, allowing it to sustain itself during periods of drought or harsh conditions. Overall, the root plays a crucial role in the plant's structure and function.Rate this question:
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- 12.
Ferns and mosses reproduce by -
- A.
Spores.
- B.
Seeds.
- C.
Chloroplasts.
- D.
Flowers.
Correct Answer
A. Spores.Explanation
Ferns and mosses reproduce by spores, which are tiny reproductive cells that can develop into new individuals without the need for fertilization. Spores are produced by the parent plant and are dispersed by wind or water. Once a spore lands in a suitable environment, it germinates and grows into a new plant. Unlike seeds, spores do not contain an embryo, and they are not protected by a seed coat. This method of reproduction allows ferns and mosses to colonize diverse habitats and adapt to different environmental conditions.Rate this question:
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- 13.
The process by which plants use the sun's energy to make sugar is -
- A.
Photosynthesis.
- B.
Respiration.
- C.
Pollination.
- D.
Migration.
Correct Answer
A. pHotosynthesis.Explanation
Photosynthesis is the correct answer because it is the process by which plants convert sunlight, water, and carbon dioxide into glucose (sugar) and oxygen. This process occurs in the chloroplasts of plant cells and is crucial for the plant's growth and survival. Respiration is the process of breaking down glucose to release energy, pollination refers to the transfer of pollen for fertilization, and migration is the movement of animals from one place to another.Rate this question:
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- 14.
Which substance makes plants green?
- A.
Vacuole
- B.
Carbon dioxide
- C.
Oxygen
- D.
Chlorophyll
Correct Answer
D. ChloropHyllExplanation
Chlorophyll is the pigment that gives plants their green color. It plays a crucial role in photosynthesis, the process by which plants convert sunlight into energy. Chlorophyll absorbs light energy and uses it to convert carbon dioxide and water into glucose and oxygen. Without chlorophyll, plants would not be able to carry out photosynthesis and would not be green. Therefore, chlorophyll is the substance that makes plants green.Rate this question:
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- 15.
Which gas is used by plants to make food?
- A.
Oxygen
- B.
Carbon dioxide
- C.
Helium
- D.
Hydrogen
Correct Answer
B. Carbon dioxideExplanation
Plants use carbon dioxide to make food through the process of photosynthesis. During photosynthesis, plants use sunlight, water, and carbon dioxide to produce glucose (sugar) and oxygen. Carbon dioxide is absorbed through tiny openings in the leaves called stomata and is then converted into energy-rich molecules that plants use for growth and development. Oxygen is released as a byproduct of this process. Therefore, carbon dioxide is the gas used by plants to make food.Rate this question:
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- 16.
Which part of the plant allows for the movement of water and nutrients through the plant?
- A.
Stem
- B.
Leaf
- C.
Petal
- D.
Flower
Correct Answer
A. StemExplanation
The stem of a plant allows for the movement of water and nutrients through the plant. It acts as a conduit, transporting water and minerals from the roots to the leaves, where photosynthesis takes place. Additionally, the stem also supports the plant and provides structure.Rate this question:
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Quiz Review Timeline +
Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.
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Current Version
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Mar 21, 2023Quiz Edited by
ProProfs Editorial Team -
Dec 05, 2016Quiz Created by
JPalmer
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