1. What is the powerhouse of the cell?
- a) Nucleus
- b) Mitochondria
- c) Endoplasmic Reticulum
- d) Golgi Apparatus
2. What is the basic unit of life?
- a) Atom
- b) Cell
- c) Organ
- d) Tissue
3. Which organ in the human body pumps blood?
- a) Brain
- b) Heart
- c) Lungs
- d) Stomach
4. Which of the following is a plant hormone responsible for growth?
- a) Insulin
- b) Auxin
- c) Adrenaline
- d) Thyroxine
5. Which of these is the main function of red blood cells?
- a) Fighting infections
- b) Producing hormones
- c) Carrying oxygen
- d) Clotting blood
6. What is the process by which plants make their food?
- a) Respiration
- b) Fermentation
- c) Photosynthesis
- d) Digestion
7. Which of these is a characteristic of mammals?
- a) Cold-blooded
- b) Warm-blooded
- c) Lays eggs
- d) No backbone
8. Which part of the human brain controls balance and coordination?
- a) Cerebrum
- b) Medulla Oblongata
- c) Cerebellum
- d) Thalamus
9. Which of the following is the largest organ in the human body?
- a) Heart
- b) Skin
- c) Liver
- d) Brain
10. DNA stands for:
- a) Deoxyribonucleic acid
- b) Dioxyribonucleic acid
- c) Deoxyribonucleic acid
- d) Deoxyribose acid
11. Which of the following is NOT a part of the human digestive system?
- a) Stomach
- b) Pancreas
- c) Kidney
- d) Small intestine
12. What is the main component of the cell membrane?
- a) Proteins
- b) Lipids
- c) Carbohydrates
- d) Nucleic acids
13. What do the white blood cells in the body do?
- a) Carry oxygen
- b) Help in digestion
- c) Fight infections
- d) Aid in clotting
14. What type of cells are responsible for carrying oxygen in the blood?
- a) White blood cells
- b) Platelets
- c) Red blood cells
- d) Nerve cells
15. Which organ in the human body is responsible for filtering blood?
- a) Kidneys
- b) Liver
- c) Heart
- d) Lungs
16. Which of the following organisms performs photosynthesis?
- a) Animals
- b) Fungi
- c) Plants
- d) Bacteria
17. What is the main function of the chloroplast in plant cells?
- a) To control cell activity
- b) To store food
- c) To perform photosynthesis
- d) To transport nutrients
18. Which of the following is an example of an inherited trait?
- a) Language
- b) Eye color
- c) Education
- d) Haircut
19. Which of the following is NOT a part of the circulatory system?
- a) Heart
- b) Blood vessels
- c) Lungs
- d) Blood
20. What is the process by which an organism changes and develops over time?
- a) Reproduction
- b) Evolution
- c) Respiration
- d) Digestion