Cell shape is related to function. Give three examples:

1. Red blood cells – Biconcave shape increases surface area for oxygen transport.

2. Nerve cells – Long and branched structure helps in signal transmission.

3. Muscle cells – Elongated and flexible structure allows contraction and movement.

Related Questions:

  1. Why are mitochondria known as the powerhouse of the cell?
  2. What makes red blood cells more suitable for the transport of oxygen?
  3. Keeping in view the parts labeled 1 to 4 in the plant cell diagram, answer:
  4. The nucleus diagram questions:
  5. The science of Biology
  6. A Nobel Prize winner gave a hypothesis about the effects of the COVID-19 vaccine. Can it be wrong? Why? Develop a deduction from the hypothesis, “Vaccination of COVID-19 can reduce the severity of complications in case of infection.”
  7. Why is it impossible to eradicate malaria?
  8. The diagram shows one insect. Answer the following questions related to it.
  9. Why did Ross not allow infected mosquitoes to bite a healthy person?
  10. Hepatitis B virus was found in the blood of 10 persons, but only 6 of them were suffering from the disease. Why?
  11. How is biology related to other sciences? Show and explain the link.
  12. How can biology lead to careers in various fields?
  13. Explain that science is a collaborative field.
  14. Why is biology important for human welfare?
  15. Discuss the biological method of study and its applications.
  16. How is the biological method applied to find the cause of malaria?
  17. Explain the use of the biological method to understand the spread of malaria.
  18. Explain the three-domain system of classification.
  19. Write down the major characteristics of kingdom Plantae and kingdom Animalia?
  20. Give the modifications of epidermal cells for: