“How Plants Produce Oxygen” is an essential topic that students may be asked to write a paragraph about in school exams. Plants produce oxygen through photosynthesis, using sunlight, water, and carbon dioxide, essential for breathing and maintaining a healthy environment. Please check the various versions (in 100 words, 150 words, 200 words, and 300 words) provided below for the paragraph.
Paragraph on ‘How Plants Produce Oxygen’ in 100 Words
Plants produce oxygen through a process called photosynthesis. During photosynthesis, plants use sunlight, water, and carbon dioxide to make their food. The leaves of plants have a special green chemical called chlorophyll that helps them capture sunlight. When plants make food, they also release oxygen into the air. This oxygen is very important because we need it to breathe. Without plants, we would not have enough oxygen to live. That’s why plants are so important for the Earth. By taking care of plants, we help keep our air clean and healthy.
Paragraph on ‘How Plants Produce Oxygen’ in 150 Words
Plants make oxygen through a process called photosynthesis. This happens when plants use sunlight, water, and carbon dioxide to make food. The leaves of the plant have a green chemical called chlorophyll that helps them capture sunlight. When plants make food, they release oxygen as a byproduct. The oxygen goes into the air, and we breathe it in. Without plants, there wouldn’t be enough oxygen for people and animals to live. Plants also help clean the air by taking in carbon dioxide, which is bad for the Earth. This process helps make our world a better place. That’s why it’s important to have trees, flowers, and all kinds of plants in the world.
Paragraph on ‘How Plants Produce Oxygen’ in 200 Words
Plants make oxygen through a process called photosynthesis. Photosynthesis happens when plants use sunlight to help them make their food. They take in water from the ground through their roots and carbon dioxide from the air through tiny holes in their leaves. The leaves contain a green chemical called chlorophyll, which helps the plant capture sunlight. Using sunlight, water, and carbon dioxide, plants make food called glucose, which gives them energy to grow. As a result of making food, plants also release oxygen into the air. This is important because we need oxygen to breathe. Plants are like the Earth’s lungs. Without them, there would be no oxygen for animals or people to live. Plants also help reduce carbon dioxide in the air, which can be harmful in large amounts. So, plants do more than just make oxygen—they help keep the air clean and balanced. Taking care of plants and growing more trees can help make our planet healthier.
Paragraph on ‘How Plants Produce Oxygen’ in 300 Words
Plants play a big role in making oxygen. They do this through a process called photosynthesis. Photosynthesis is when plants use sunlight, water, and carbon dioxide to make their food. The process happens mostly in the leaves of plants. Inside the leaves, there is a green substance called chlorophyll. Chlorophyll helps plants capture the sunlight. Plants also take in water through their roots and carbon dioxide through small holes in their leaves. Once the plant has all the ingredients—sunlight, water, and carbon dioxide—it begins making food. This food is called glucose, and it gives the plant energy to grow. But making food isn’t the only thing plants do. As the plant makes glucose, it releases oxygen into the air. This oxygen is a byproduct or something that happens while making food. We need oxygen to breathe, so plants are very important to life on Earth. Without plants, there wouldn’t be enough oxygen for us or animals to survive. In addition to making oxygen, plants also help clean the air. They take in carbon dioxide, which can be harmful in large amounts. By taking in carbon dioxide and releasing oxygen, plants help keep the balance of gases in the atmosphere just right. That’s why it’s so important to protect plants, trees, and forests. They keep the Earth healthy and provide us with the oxygen we need to live. By planting more trees and taking care of the ones we have, we can help make sure our planet stays full of fresh, clean air.
MCQ’s on ‘How Plants Produce Oxygen’
1. What process do plants use to produce oxygen?
A) Respiration
B) Photosynthesis
C) Fermentation
D) Transpiration
2. What chemical in leaves helps capture sunlight?
A) Carotene
B) Chlorophyll
C) Glucose
D) Starch
3. What do plants take in from the air during photosynthesis?
A) Oxygen
B) Nitrogen
C) Carbon Dioxide
D) Sulfur
4. What is the food that plants produce called?
A) Fructose
B) Glucose
C) Sucrose
D) Lactose
5. Why are plants considered the Earth’s lungs?
A) They grow tall
B) They produce food
C) They release oxygen and absorb carbon dioxide
D) They are found everywhere
6. What happens to the oxygen produced by plants?
A) It is stored in the roots
B) It is released into the air
C) It is consumed by the plant
D) It is used for photosynthesis
7. What harmful gas do plants help reduce in the atmosphere?
A) Oxygen
B) Methane
C) Carbon Dioxide
D) Nitrogen
8. What do plants need to perform photosynthesis?
A) Sunlight, water, and carbon dioxide
B) Oxygen and nitrogen
C) Sunlight and soil
D) Water and minerals
9. Why is it important to protect plants?
A) They provide shade
B) They produce food
C) They keep the Earth healthy and provide oxygen
D) They are beautiful
10. What can we do to help ensure our planet has fresh air?
A) Cut down more trees
B) Plant more trees and care for existing ones
C) Ignore plants
D) Use more plastic
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