Q1: 1. What is the primary source of energy for living organisms?

• A) Water
• B) Soil
• C) Sun
• D) Air

Q2: 2. Which part of the plant is responsible for absorbing water and nutrients from the soil?

• A) Leaves
• B) Roots
• C) Stem
• D) Flowers

Q3: 3. How do plants use sunlight to make their food?

• A) Photosynthesis
• B) Respiration
• C) Transpiration
• D) Germination

Q4: 4. Which of the following is a product of photosynthesis?

• A) Oxygen
• B) Carbon dioxide
• C) Nitrogen
• D) Hydrogen

Q5: 5. Which of the following is not a macronutrient essential for plant growth?

• A) Nitrogen
• B) Phosphorus
• C) Zinc
• D) Potassium

Q6: 6. What is the process by which plants take in water through their roots?

• A) Osmosis
• B) Photosynthesis
• C) Transpiration
• D) Respiration

Q7: 7. Which of the following is a primary function of leaves in a plant?

• A) Absorbing water
• B) Storing food
• C) Producing flowers
• D) Making food through photosynthesis

Q8: 8. What is the role of soil in plant growth?

• A) Providing support
• B) Absorbing sunlight
• C) Storing water
• D) Reproducing seeds

Q9: 9. Which part of the plant is responsible for transporting water and nutrients throughout the plant?

• A) Roots
• B) Leaves
• C) Stem
• D) Flowers

Q10: 10. Which of the following is an example of a root vegetable?

• A) Carrot
• B) Lettuce
• C) Tomato
• D) Broccoli

Q11: 11. What is the purpose of flowers in a plant?

• A) Attracting insects for pollination
• B) Absorbing sunlight
• C) Storing water
• D) Producing fruits

Q12: 12. Which of the following is an example of a legume?

• A) Peanut
• B) Cucumber
• C) Potato
• D) Onion

Q13: 13. What is the role of fruits in plants?

• A) Storing water
• B) Attracting sunlight
• C) Protecting seeds
• D) Absorbing nutrients

Q14: 14. Which of the following is a process involved in seed germination?

• A) Transpiration
• B) Photosynthesis
• C) Respiration
• D) Germination

Q15: 15. Which of the following is a common staple food crop worldwide?

• A) Quinoa
• B) Kiwi
• C) Mango
• D) Pineapple

Q16: 16. What is the main source of carbohydrates in the human diet?

• A) Fruits
• B) Vegetables
• C) Grains
• D) Dairy

Q17: 17. Which of the following is a source of protein in a vegetarian diet?

• A) Chicken
• B) Tofu
• C) Fish
• D) Beef

Q18: 18. Why is it important to have a variety of foods in our diet?

• A) To reduce food waste
• B) To support local farmers
• C) To ensure a balanced intake of nutrients
• D) To save money

Q19: 19. What is the primary function of fats in the body?

• A) Providing energy
• B) Building muscles
• C) Regulating body temperature
• D) Strengthening bones

Q20: 20. Which of the following is a source of vitamin C?

• A) Oranges
• B) Eggs
• C) Milk
• D) Beef

Q21: 21. What is the role of minerals in the human body?

• A) Providing energy
• B) Building bones
• C) Digesting food
• D) Carrying oxygen

Q22: 22. How do enzymes help in the digestion of food?

• A) Breaking down nutrients into smaller molecules
• B) Transporting nutrients to cells
• C) Storing excess nutrients
• D) Regulating body temperature

Q23: 23. Which of the following is a source of fiber in the diet?

• A) White bread
• B) Soda
• C) Broccoli
• D) Potato chips

Q24: 24. What is the significance of water in the human body?

• A) Providing minerals
• B) Regulating body temperature
• C) Building muscles
• D) Transporting oxygen

Q25: 25. Why is it important to read food labels before purchasing products?

• A) To support local businesses
• B) To check for expiration dates
• C) To track nutritional content
• D) To save time