Uses of Plants – Basic 3 Basic Science Lesson Note (Third Term)

Classes of Plants Based on Life Span

Annual Plants (Live 1 Year):

• Complete their life in one growing season
• Plant → Grow → Flower → Seeds → Die
• Examples: Maize, beans, pepper, tomato, okra
• Farmers must plant new ones every year

Biennial Plants (Live 2 Years):

• Take two years to complete their life
• Year 1: Grow leaves and strong roots
• Year 2: Produce flowers and seeds, then die
• Examples: Carrots, onions, sweet potato

Perennial Plants (Live Many Years):

• Live for more than two years
• Can produce fruits/seeds many times
• Examples: Mango, orange, coconut, cashew trees
• Plant once, enjoy for many years

Uses of Plants

Food Uses:

• Fruits: Banana, orange, apple, pineapple

• Vegetables: Spinach, lettuce, cucumber

• Cereals: Rice, wheat, millet

• Spices: Pepper, ginger, garlic

Medicine Uses:

• Bitter leaf – treats stomach problems

• Pawpaw leaves – for malaria treatment

• Scent leaf – helps with cough

• Moringa – gives vitamins and strength

Industrial Uses:

• Cotton – for making clothes and fabric
• Rubber tree – makes car tires and shoes
• Wood – furniture, houses, paper
• Coconut – oil for cooking and soap

Exercise 1:

1. How long do annual plants live? _______
2. Name one biennial plant: _______
3. Which plant is used to make clothes? _______