Science Quiz For Grade 3 Plants

Reviewed by Lindsey Block

Lindsey Block, PhD (Cellular & Molecular Biology) |

Lecturer | Molecular Biologist | Reproductive Scientist

Review Board Member

Lindsey, Ph.D. in cellular and molecular biology from the University of Wisconsin-Madison, specializes in Zika's impact on conception and preterm birth biomarkers. She completed courese on Advanced Cell Biology at the University of Illinois at Urbana-Champaign and Advanced Virology at University College Cork. Lindsey's accolades include three first-author papers, three fellowships, and active participation in five conference presentations. Currently associated with the University of Pennsylvania through a T32 NIH Postdoctoral Fellowship, she continues to contribute significantly to her field, combining academic rigor with practical research to advance understanding in reproductive health and prenatal care. Currently, she is a full time lecturer at Northwestern University - The Feinberg School of Medicine.

, PhD (Cellular & Molecular Biology)

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Questions: 10 | Attempts: 36,226 | Updated: Nov 11, 2024

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Below is a "Science quiz for grade 3 plants" made of ultimate questions about plants! Plants and animals form the living things on planet earth, and there are a lot of benefits that animals and humans derive from plants. By taking this quiz, you stand a chance at refreshing your memory on the different parts of a plant and how humans use plans. Check it out and see what more you might learn!

Questions and Answers

1.

What are three (3) parts of a plant?
- A.
  
  Stem
- B.
  
  Flower
- C.
  
  Rose
- D.
  
  Leaf
Correct Answer(s)
A. Stem
B. Flower
D. Leaf

Explanation
The question asks for three parts of a plant, and the answer includes stem, flower, and leaf. These three components are indeed parts of a plant. The stem provides support and transportation of nutrients and water, the flower is the reproductive structure of the plant, and the leaf is responsible for photosynthesis and gas exchange. The inclusion of "Rose" in the answer is incorrect, as it is a specific type of flower and not a general part of all plants.

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49
1
2.

Photosynthesis is how plants make their own ____.
- A.
  
  Water
- B.
  
  Food
- C.
  
  Oxygen
- D.
  
  All of these
Correct Answer
B. Food

Explanation
Plants use photosynthesis to convert sunlight, carbon dioxide, and water into glucose (a type of sugar) and oxygen. This glucose serves as food for the plant, providing energy for growth and development. Therefore, the correct answer is "Food."

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60
0
3.

What three (3) plants do humans use for food?
- A.
  
  Corn
- B.
  
  Grass
- C.
  
  Peanuts
- D.
  
  Sunflowers
Correct Answer(s)
A. Corn
C. Peanuts
D. Sunflowers

Explanation
Corn, peanuts, and sunflowers are three plants that humans commonly use for food. Corn is a staple crop that is used in various forms, such as cornmeal, corn oil, and corn syrup. Peanuts are a legume that is consumed in many ways, including as peanut butter and oil. Sunflowers are cultivated for their seeds, which can be eaten as a snack or used in cooking and baking. These plants provide essential nutrients and are widely consumed in different cultures around the world.

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61
4
4.

List three (3) ways plants help the environment and humans?
- A.
  
  Plant roots hold the soil together to prevent erosion
- B.
  
  Plants provide oxygen for humans to breathe
- C.
  
  Plants smell nice
- D.
  
  Plants provide food
- E.
  
  Plants help control air pollution
Correct Answer(s)
A. Plant roots hold the soil together to prevent erosion
B. Plants provide oxygen for humans to breathe
E. Plants help control air pollution

Explanation
Plants play a crucial role in protecting the environment and benefiting humans in various ways. Firstly, plant roots hold the soil together, preventing erosion and maintaining the stability of the land. This helps to prevent soil degradation and the loss of fertile soil. Secondly, plants are responsible for producing oxygen through the process of photosynthesis, which is essential for humans and other living organisms to breathe. Lastly, while not mentioned in the question, plants also provide food for humans, contributing to our sustenance and nutrition.

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16
0
5.

Plants use energy from the ______________ to make food.
- A.
  
  Moon
- B.
  
  Electricity
- C.
  
  Sun
- D.
  
  None of these
Correct Answer
C. Sun

Explanation
Plants use energy from the Sun to make food through a process called photosynthesis. During photosynthesis, plants capture sunlight using a pigment called chlorophyll, which allows them to convert the energy from sunlight into chemical energy. This chemical energy is then used to convert carbon dioxide and water into glucose, a form of sugar that plants use as food. Therefore, the correct answer is Sun.

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39
0
6.

Plants give off ____, which animals and people breathe in.
- A.
  
  Carbon dioxide
- B.
  
  Nitrogen
- C.
  
  Helium
- D.
  
  Oxygen
Correct Answer
D. Oxygen

Explanation
Plants undergo a process called photosynthesis, where they use sunlight, water, and carbon dioxide to produce oxygen and glucose. Oxygen is released as a byproduct of this process and is essential for the survival of animals and humans as it is required for cellular respiration. Therefore, plants give off oxygen, which animals and people breathe in.

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25
0
7.

What part of the plant is responsible for making food through the process of photosynthesis?
- A.
  
  Roots
- B.
  
  Stem
- C.
  
  Leaves
- D.
  
  Flowers
Correct Answer
C. Leaves

Explanation
The leaves of a plant are responsible for making food through a process called photosynthesis. They contain chlorophyll, a green pigment that captures sunlight, which is then used to convert carbon dioxide and water into glucose, a type of sugar that plants use for energy and growth. The roots absorb water and nutrients, the stem supports the plant, and the flowers are involved in reproduction, but it is the leaves that are the food factories of the plant.

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40
0
8.

The _____ of a plant absorbs and stores nutrients and support or anchor the plant.
- A.
  
  Root
- B.
  
  Leaves
- C.
  
  Branches
- D.
  
  None of these
Correct Answer
A. Root

Explanation
The root of a plant absorbs water and nutrients from the soil and stores them for the plant's growth and development. Additionally, the root provides support and anchors the plant in the ground, preventing it from being easily uprooted or toppled over. Therefore, the root is responsible for both nutrient absorption and support in plants.

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25
0
9.

The ____ of plants take in carbon dioxide from the air that animals give off.
- A.
  
  Branch
- B.
  
  Leaf
- C.
  
  Root
- D.
  
  Fruit
Correct Answer
B. Leaf

Explanation
Leaves of plants have small openings called stomata that allow them to take in carbon dioxide from the air. This process is known as photosynthesis, where plants convert carbon dioxide into oxygen and glucose using sunlight. Animals, including humans, release carbon dioxide as a waste product during respiration. Therefore, leaves play a crucial role in the exchange of gases between plants and animals.

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0
10.

The flower is the part of the plant that grows two (2) things:
- A.
  
  Nectar
- B.
  
  Fruit
- C.
  
  Seed
Correct Answer(s)
B. Fruit
C. Seed

Explanation
Flowers are the reproductive structures of plants. They produce nectar to attract pollinators like bees and butterflies, which helps in the process of pollination. After successful pollination, the flower develops into a fruit, which contains seeds. The fruit serves as a protective covering for the seeds and aids in dispersal. Therefore, it can be concluded that flowers grow fruits and seeds as part of their reproductive cycle.

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6

Lindsey Block |PhD (Cellular & Molecular Biology) |

Lecturer | Molecular Biologist | Reproductive Scientist

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Our quizzes are rigorously reviewed, monitored and continuously updated by our expert board to maintain accuracy, relevance, and timeliness.

Current Version
Nov 11, 2024

Quiz Edited by
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Expert Reviewed by
Lindsey Block
Oct 22, 2011

Quiz Created by
David Schenk

Science Quiz For Grade 3 Plants

What are three (3) parts of a plant?

Photosynthesis is how plants make their own ____.

What three (3) plants do humans use for food?

List three (3) ways plants help the environment and humans?

Plants use energy from the ______________ to make food.

Plants give off ____, which animals and people breathe in.

What part of the plant is responsible for making food through the process of photosynthesis?

The _____ of a plant absorbs and stores nutrients and support or anchor the plant.

The ____ of plants take in carbon dioxide from the air that animals give off.

The flower is the part of the plant that grows two (2) things: