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Adult humen RBCs are enucleate . Which o...

Adult humen RBCs are enucleate . Which of
the following statement (s) is /are most appropriate
explanation for this featrue ?
(i) They do not need to reproduce
(ii) They are somatic cells
(iii) They do not metabolize
(iv) All their space is available for
oxygen transport

A

only (d)

B

Only (a)

C

(a), (c) and (d)

D

(b) and (c)

Text Solution

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The correct Answer is:
A
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Adult human RBCs are enucleate. Which of the following statement (s) is/are most appropriate explanation for this feature ? (1) They do not need to reproduce (2) They are somatic cells (3) They do not metabolise (4) All their internal space is available for oxygen transport.

Adult human RBCs are enucleate. Which of the following statement (s) is/are most appropriate explanation for this feature ? (1) They do not need to reproduce (2) They are somatic cells (3) They do not metabolise (4) All their internal space is available for oxygen transport.

Which of the following statements are true for flowers? (i) Flowers are always bisexual (ii) They are the sexual reproductive organs (iii) They are produced in all groups of plants (iv) After fertilisation they give rise to fruits

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Which of the following statements are correct regarding secretion oxyntic cells? (i) It denatures proteins and softens fibrous connective tissues in the blood. (ii) It activates rennin. (iii) It has a role in maturation of RBCs. (iv) It activates trypsin.

Which of the following is NOT the property of equipotential surface? (i) They do not cross each other. (ii) The rate of change of potential with distance on them is zero. (iii) For a uniform electric field they are concentric spheres. (iv) They can be imaginary spheres.

Which of the following is NOT the property of equipotential surface? (i) They do not cross each other. (ii) The rate of change of potential with distance on them is zero. (iii) For a uniform electric field they are concentric spheres. (iv) They can be imaginary spheres.

Which of the following statements are correct regarding Na^+ - K^+ pump ? (i)Needs energy (ATP) to work (ii)Expels 3 Na^+ for every 2K^+ ions imported (iii)Works against a concentration gradient (iv)Maintains resting potential

Identify the quantifers used in the following statements and write the negation of the statements : (i) there exists a number which is equal to its cube. (ii) for all states in india, there is a capital in india. (iii) there exists a man whose age is 150 years. (iv) all students are of 25 years or more.

AAKASH SERIES-BODY FLUIDS AND CIRCULATION-Exercise -III (Previous AIPMT/NEET Questions)
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  2. Adult humen RBCs are enucleate . Which of the following statement (...

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  3. A decrease in blood pressure / volume will not cause the release of :

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  4. Blood pressure in the pulmonary artery is

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  5. In mammals, which blood vessel would normally carry largest amount of ...

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  6. Which of the following is correct?

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  7. Erythropoiesis starts in

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  8. BP in systemic aorta is maximum during

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  9. Person with blood group AB is considered as universal recipient becaus...

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  10. How do parasympathetic neural signals affect the working of the heart?

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  11. The given figure shows schematic plan of blood circulation in humans w...

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  12. The figure shows blood circulation in humans with labels A to D. Selec...

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  13. The diagram given here is the standard ECG of a normal person.The P-wa...

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  14. The figure shows a human blood cell. Identify it and give its characte...

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  15. A certain road accident partient with unknown blood group needs immedi...

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  16. Which one of the following human organs is often called the "graveyard...

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  17. 'Bundle of His' is a part of which one of the following organs in huma...

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  18. Which one of the following plasma proteins is involved in coagulation ...

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  19. Arteries are best defined as the vessels which

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  20. Which one of the following statements is correct regarding blood press...

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