Biology questions about cells, plants, humans, animals (e.g…
1. What is the basic unit of life in all living organisms?
Answer: Cell
2. What planet is known as the Red Planet?
Answer: Mars
3. What gas do humans inhale that is essential for survival?
Answer: Oxygen
4. Which organ in the human body pumps blood?
Answer: Heart
5. What force pulls objects toward the center of the Earth?
Answer: Gravity
6. What is the chemical symbol for water?
Answer: HO
7. What type of energy is stored in food?
Answer: Chemical energy
8. What is the process by which plants make their own food using sunlight?
Answer: Photosynthesis
9. Which part of the plant absorbs water and nutrients from the soil?
Answer: Roots
10. What type of celestial body is the Sun?
Answer: Star
11. What is the main gas responsible for global warming?
Answer: Carbon dioxide (CO)
12. Which part of the human body helps you see?
Answer: Eyes
13. What is the boiling point of water at sea level in Celsius?
Answer: 100C
14. What do we call animals that eat only plants?
Answer: Herbivores
15. What is the largest organ in the human body?
Answer: Skin
16. What natural phenomenon causes rainbows?
Answer: Refraction and dispersion of sunlight in water droplets
17. Which planet is the largest in our solar system?
Answer: Jupiter
18. What are the building blocks of proteins?
Answer: Amino acids
19. What is the process called when a solid turns directly into a gas?
Answer: Sublimation
20. What type of rock is formed from cooled lava or magma?
Answer: Igneous rock
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