---
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knowledge_type: "chapter"
entity_type: "chapter"
id: "69bff54cfb5daab696da4e69"
title: "Life Processes in Plants"
board: "CBSE"
curriculum: "CBSE"
class: "Class 7"
subject: "Science"
book: "Curiosity"
chapter: "Life Processes in Plants"
chapter_slug: "life-processes-in-plants"
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source: "Edzy"
version: 1
last_updated: "2026-06-20"
---

# Life Processes in Plants
This chapter explores how plants grow and obtain nutrients essential for their development, focusing on their unique processes of growth, food production, respiration, and transport mechanisms.

---

## Knowledge Snapshot

| Field | Details |
| :--- | :--- |
| Class | Class 7 |
| Subject | Science |
| Book | Curiosity |
| Chapter | Life Processes in Plants |
| Pages | 137-152 |

---

## Chapter Summary

### Short Summary
The chapter discusses how plants grow, their methods of obtaining food, and the processes that facilitate these functions.

### Detailed Summary
In this chapter, we learn that plants grow and need nutrients like carbohydrates, fats, proteins, vitamins, and minerals, which are essential for their development. It explains the role of sunlight and water in plant growth and the significance of photosynthesis, where leaves act as food factories using chlorophyll to produce starch. The chapter also details how plants transport water and food through xylem and phloem, respectively.

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## Topic-Wise Explanation

### How Do Plants Grow?
Plants grow by developing new leaves and branches, increasing in height and stem thickness. Key factors stimulating this growth include water and sunlight.

### How Do Plants Get Food for their Growth?
Plants produce their food through photosynthesis, converting sunlight, carbon dioxide, and water into glucose.

### Leaves: the ‘food factories’ of plants
Leaves are primarily responsible for synthesizing food via photosynthesis, facilitated by chlorophyll which captures sunlight.

### Role of air in the preparation of food
Photosynthesis requires carbon dioxide from the air, which is essential for the production of starch in plants.

### Transport in Plants
Plants transport nutrients and water through specialized structures called xylem and phloem, essential for distributing food and water throughout.

### Do Plants Respire?
Respiration in plants is linked to photosynthesis, where oxygen is released as a by-product.

---

## Core Ideas

| Idea | Explanation |
| :--- | :--- |
| Growth Requirements | Plants need water, sunlight, and nutrients for growth. |
| Photosynthesis | The process by which plants make food using sunlight. |
| Starch Storage | Leaves store energy in the form of starch. |
| Nutrient Transport | Xylem and phloem transport water and food, respectively. |

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## Key Concepts

| Concept | Meaning |
| :--- | :--- |
| Photosynthesis | Process in which plants use sunlight to synthesize food from carbon dioxide and water. |
| Chlorophyll | Green pigment in plants responsible for capturing sunlight for photosynthesis. |
| Xylem | Tissue in plants responsible for transporting water and minerals.
| Phloem | Tissue responsible for transporting food. |

---

## Important Points for Revision
* Plants require water, sunlight, and nutrients for growth.
* Photosynthesis occurs in the leaves and produces starch as food.
* Chlorophyll is vital for the photosynthesis process.
* The transport of water in plants occurs through xylem, while food is transported through phloem.
* Oxygen is a by-product of photosynthesis, signifying plant respiration.
* Leaves act as ‘food factories’ in plants.
* Plants store food in the form of starch.
* Carbon dioxide from the air is crucial for photosynthesis.
* Environmental conditions affect plant growth significantly.

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## Practice Questions
### Short Answer Questions
1. How do plants grow?
2. What is the role of chlorophyll in photosynthesis?
3. What do plants transport through the xylem?
4. Describe how plants obtain food.
5. What is the significance of stomata in plants?

### Long Answer Questions
1. Explain the process of photosynthesis and the conditions required for it.
2. Discuss the importance of water and sunlight in the growth of plants.
3. Describe the transport system in plants and its functions.

---

## Source Attribution

| Field | Value |
| :--- | :--- |
| Source | Edzy |
| Reference Type | examSubjectBookChapter |
| Reference ID | 69bff54cfb5daab696da4e69 |
| Canonical URL | https://www.edzy.ai/cbse-class-7-science-curiosity-life-processes-in-plants |
| Markdown URL | https://www.edzy.ai/okf/chapter/cbse-class-7-science-curiosity-life-processes-in-plants.md |