Plants around Us Chapter Notes | Science Class 2 ICSE PDF Download

Introduction

Types of Plants

• Trees are very big, tall, and strong plants.
• They have a thick, brown, woody stem called a trunk.
• They have many branches with leaves, flowers, and fruits.
• Trees have thick and strong roots.
• They live for many years.
  Examples: mango, banyan, coconut, neem.

Shrubs

• Shrubs are smaller than trees and are also called bushes.
• They have many thin, brown, woody stems.
• Most shrubs live for a few years.
  Examples: rose, croton, hibiscus.

Herbs

• Herbs are very small and weak plants.
• They have thin, green, and soft stems.
• They live for three to four months.
  Examples: mint, coriander.

Climbers

• Climbers have weak stems and cannot stand straight.
• They climb on other plants, sticks, or walls to grow.
  Examples: pea plant, grapevine, money plant.

Creepers

• Creepers are weak plants that grow along the ground.
• They have weak stems and thin branches.
• They usually bear big fruits.
  Examples: bottle gourd, pumpkin.

Water Plants
​Some plants grow in water.
Examples: lotus, water hyacinth.

Parts of a Plant

• Roots give support to the plant.
• They collect water and minerals from the ground.
• They send water and minerals to other parts of the plant.
• Roots usually grow under the ground.

Stem

• The stem is the main body of the plant.
• Leaves, branches, and flowers grow from it.
• It grows above the ground.
• It carries food and water to all parts of the plant.

Leaf

• Leaves make food for the plant.
• They are called the kitchen of the plant.

Flower

• Flowers are the colorful parts of a plant.
• They produce fruits or seeds.

Fruit

• Fruits are the fleshy parts of a plant.
• They grow from flowers and contain seeds.

Seed : Seeds can grow into new plants.

Plants Make Their Own Food

• Leaves of green plants make food using air, sunlight, and water.
• The stem carries this food to all parts of the plant.
• Unused food is stored in roots, stems, leaves, fruits, flowers, and seeds.

Lifespan of Plants

• Plants are living things that grow from seeds.
• They live for a few months to many years before they die.
• Trees can live for many years, some even over a thousand years.
• Herbs like mint and coriander live for a few months.
• The age of a tree can be found by counting the rings in its trunk.