Chapter Wise Topics

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
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