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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 a

B

a, c and d

C

b and c

D

Only d

Text Solution

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The correct Answer is:
D
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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

Which of the following given statement(s) is/are correct for both fluorite and antifluorite structures? (i) coordination number of cation is 8 (ii) Number of formula unit is one unit cell is 4 (iii) 100% tetrahedral voids are occupied (iv) Radius ratio of cation and anion is 0.20

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.

CENGAGE BIOLOGY ENGLISH-NEET 2017 PAPER-MCQ
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