Organisms And Population Question 147
Question: Read the assertion and reason carefully to mark the correct option out of the options given below:
Assertion : Regeneration blastema is a bud-like structure formed during regeneration of limb in salamander. Reason : Formation of regeneration blastema involves dedifferentiation.
Options:
A) If both the assertion and the reason are true and the reason is a correct explanation of the assertion
B) If both the assertion and reason are true but the reason is not a correct explanation of the assertion
C) If the assertion is true but the reason is false
D) If both the assertion and reason are false
Show Answer
Answer:
Correct Answer: B
Solution:
Formation of a conical bulge called regeneration blastema or bud below the newly formed epidermal cover so that the epidermis starts bulging during the regeneration of limb of salamander.
A number of evidence have supported that the mitotically proliferating cell in a regenerating limb are derived by a regressive process called transformation of dedifferentiation of specialized or fully differentiated cells of the skin, muscles, bones etc.