Class 7 Science — Chapter 10: Life Processes in Plants

What you'll learn

• ▸Essential Requirements for Plant Growth
• ▸Leaves as 'Food Factories'
• ▸Starch as the Food Produced by Plants
• ▸The Iodine Test for Starch
• ▸Role of Sunlight and Chlorophyll in Starch Production
• ▸Role of Carbon Dioxide in Starch Production

Chapter Summary

--- PAGE 1 --- 10 Life Processes in Plants In Grade 6, we learnt that all living beings grow and need food for their growth. Also, in the previous chapter, we discussed the process through which animals obtain nutrition. We know that animals eat food to grow, but what about plants? Have you ever seen plants eating food like animals do? As animals grow, their size and weight usually increase, and their bodies undergo various changes. What changes do you notice in plants when they grow? We learnt that food provides nutrients like carbohydrates, fats, proteins, vitamins, and minerals, which, along with water, are all essential for growth. Let us explore how plants obtain nutrients for their growth. 0777CH10 NOT TO BE REPUBLISHED --- PAGE 2 --- 10.1 How Do Plants Grow? Look around your neighbourhood. Have you observed any changes in a plant during its life span? As a plant grows, new leaves and branches emerge, its height increases, and its stem thickens. What do you think causes the…

Practice Questions from this Chapter

Tap "Get Solution" on any question to ask our AI tutor.

1. Explain photosynthesis simply. Get Solution →
2. Show plant growth examples. Get Solution →
3. Describe plant nutrient absorption. Get Solution →
4. What is the name of the green pigment in leaves that helps capture sunlight? Get Solution →
5. In what form do plants typically store their food? Get Solution →
6. What gas is released by plants during the process of photosynthesis? Get Solution →
7. According to Activity 10.1, what two things are essential for a plant's growth? Get Solution →
8. What is the process by which plants prepare their own food using sunlight? Get Solution →

Did you know?

• 💡 A single large tree can release hundreds of gallons of water into the air daily.
• 💡 Some bamboo plants can grow over three feet in just one day.
• 💡 The 'corpse flower' smells like rotting meat to attract pollinating insects.
• 💡 Certain plants can communicate with each other using underground fungal networks.
• 💡 Earth's oldest living organism is a bristlecone pine tree over 5,000 years old.

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