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Which of the following statement is false?
- a)Erythryocytes are the most abundant of all the cells in blood
- b)The number of RBCs in adult man per millimeter cube of blood is 5 million to 5.5 million
- c)RBS are formed in the red bone marrow in the adults
- d)RBCs are enucleated in mammals but have mitochondria
Correct answer is option 'D'. Can you explain this answer?
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Which of the following statement is false?a)Erythryocytes are the most...
Explanation- 11th class ncert page- 279
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Which of the following statement is false?a)Erythryocytes are the most...
RBCs don't have mitochondria and as a result not containing mitochondria,these cells use none of the oxygen they transport,instead they produce the energy carrier ATP from glucose by a glycolysis pathway that ends with lactic acid production.
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Which of the following statement is false?a)Erythryocytes are the most...
Understanding Red Blood Cells (RBCs)
Red blood cells (RBCs), also known as erythrocytes, play a crucial role in the transportation of oxygen and carbon dioxide in the bloodstream. Let's break down the statements to identify the false one.
Statement A: Erythrocytes are the most abundant of all the cells in blood
- True. Erythrocytes are indeed the most numerous cells in the blood, with a typical count of about 5 million per millimeter cube.
Statement B: The number of RBCs in adult man per millimeter cube of blood is 5 million to 5.5 million
- True. This range is generally accepted for adult males, with slight variations in females.
Statement C: RBCs are formed in the red bone marrow in adults
- True. The red bone marrow is the primary site for erythropoiesis (the production of red blood cells) in adults.
Statement D: RBCs are enucleated in mammals but have mitochondria
- False. While it is correct that mammalian RBCs are enucleated (do not have a nucleus), they also lack mitochondria. This absence of mitochondria allows RBCs to maximize space for hemoglobin, the protein responsible for oxygen transport. Instead of using oxygen for respiration, RBCs rely on anaerobic glycolysis to produce energy.
Conclusion
In summary, the false statement is option D. Mammalian RBCs are not only enucleated but also devoid of mitochondria, thereby optimizing their function in oxygen transport.
Red blood cells (RBCs), also known as erythrocytes, play a crucial role in the transportation of oxygen and carbon dioxide in the bloodstream. Let's break down the statements to identify the false one.
Statement A: Erythrocytes are the most abundant of all the cells in blood
- True. Erythrocytes are indeed the most numerous cells in the blood, with a typical count of about 5 million per millimeter cube.
Statement B: The number of RBCs in adult man per millimeter cube of blood is 5 million to 5.5 million
- True. This range is generally accepted for adult males, with slight variations in females.
Statement C: RBCs are formed in the red bone marrow in adults
- True. The red bone marrow is the primary site for erythropoiesis (the production of red blood cells) in adults.
Statement D: RBCs are enucleated in mammals but have mitochondria
- False. While it is correct that mammalian RBCs are enucleated (do not have a nucleus), they also lack mitochondria. This absence of mitochondria allows RBCs to maximize space for hemoglobin, the protein responsible for oxygen transport. Instead of using oxygen for respiration, RBCs rely on anaerobic glycolysis to produce energy.
Conclusion
In summary, the false statement is option D. Mammalian RBCs are not only enucleated but also devoid of mitochondria, thereby optimizing their function in oxygen transport.
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Which of the following statement is false?a)Erythryocytes are the most abundant of all the cells in bloodb)The number of RBCs in adult man per millimeter cube of blood is 5 million to 5.5 millionc)RBS are formed in the red bone marrow in the adultsd)RBCs are enucleated in mammals but have mitochondriaCorrect answer is option 'D'. Can you explain this answer? for NEET 2026 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following statement is false?a)Erythryocytes are the most abundant of all the cells in bloodb)The number of RBCs in adult man per millimeter cube of blood is 5 million to 5.5 millionc)RBS are formed in the red bone marrow in the adultsd)RBCs are enucleated in mammals but have mitochondriaCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statement is false?a)Erythryocytes are the most abundant of all the cells in bloodb)The number of RBCs in adult man per millimeter cube of blood is 5 million to 5.5 millionc)RBS are formed in the red bone marrow in the adultsd)RBCs are enucleated in mammals but have mitochondriaCorrect answer is option 'D'. Can you explain this answer?.
Which of the following statement is false?a)Erythryocytes are the most abundant of all the cells in bloodb)The number of RBCs in adult man per millimeter cube of blood is 5 million to 5.5 millionc)RBS are formed in the red bone marrow in the adultsd)RBCs are enucleated in mammals but have mitochondriaCorrect answer is option 'D'. Can you explain this answer? for NEET 2026 is part of NEET preparation. The Question and answers have been prepared according to the NEET exam syllabus. Information about Which of the following statement is false?a)Erythryocytes are the most abundant of all the cells in bloodb)The number of RBCs in adult man per millimeter cube of blood is 5 million to 5.5 millionc)RBS are formed in the red bone marrow in the adultsd)RBCs are enucleated in mammals but have mitochondriaCorrect answer is option 'D'. Can you explain this answer? covers all topics & solutions for NEET 2026 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for Which of the following statement is false?a)Erythryocytes are the most abundant of all the cells in bloodb)The number of RBCs in adult man per millimeter cube of blood is 5 million to 5.5 millionc)RBS are formed in the red bone marrow in the adultsd)RBCs are enucleated in mammals but have mitochondriaCorrect answer is option 'D'. Can you explain this answer?.
Solutions for Which of the following statement is false?a)Erythryocytes are the most abundant of all the cells in bloodb)The number of RBCs in adult man per millimeter cube of blood is 5 million to 5.5 millionc)RBS are formed in the red bone marrow in the adultsd)RBCs are enucleated in mammals but have mitochondriaCorrect answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for NEET. Download more important topics, notes, lectures and mock test series for NEET Exam by signing up for free.
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