What is the main function of white blood cells?
Answer and explanation
Correct answer: To defend against germs
White blood cells are immune cells that protect the body from pathogens such as bacteria, viruses, and other disease-causing agents. They may engulf foreign particles or help coordinate immune responses and antibody production. Hence option A is correct. Red blood cells primarily carry oxygen using haemoglobin, bile is produced by the liver, and starch is synthesized by green plants during photosynthesis, not by white blood cells.
Frequently asked questions
What is the correct answer to this question?
To defend against germs
Why is this the correct answer?
White blood cells are immune cells that protect the body from pathogens such as bacteria, viruses, and other disease-causing agents. They may engulf foreign particles or help coordinate immune responses and antibody production. Hence option A is correct. Red blood cells primarily carry oxygen using haemoglobin, bile is produced by the liver, and starch is synthesized by green plants during photosynthesis, not by white blood cells.
Which subject and chapter does this question cover?
This is a Class 10 Science question. Chapter: World of Living. Topic: Life Processes.
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