Question 35
Would a Planaria cut vertically into two halves regenerate into two individuals? Complete Figure D and E by indicating the regenerated regions.

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Solution

Yes, a Planaria cut vertically into two halves regenerate into two individuals. Planaria can be cut into pieces and each piece can regenerate into a complete organism.The shaded part in the figures D and E represents the regenerated halves.

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Q. A planaria worm is horizontally cut into two halves A and B such that A contains the head portion. Another planaria worm is vertically cut into two halves C and D such that each half contains half of the head. Which among the following will regenerate to form a new worm?

A Planaria worm is cut horizontally in the middle into two halves P and Q such that the part P contains the whole head of the worm. Another Planaria worm is cut vertically into two halves R and S in such a way that both the cut pieces R and S contain half head each. Which of the cut pieces of the two Planaria worms could regenerate to form the complete respective worms?
(a) only P
(b) only R and S
(c) P, R and S
(d) P, Q, R and S

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Ans. a) When planaria gets cut into two pieces, each of the pieces regenerate to produce individual organisms.
b) When a mature spirogyra filament attains considerable length, it splits into two or more parts. Each part grows substantially.
(I got only 1 out of 2 marks, 1/2 each)
What should I add?

If you cut a planaria vertically, you will get two equal halves. What does this indicate?

If you cut Planaria vertically, you get two equal halves. What does this indicate?

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Question 35 Would a Planaria cut vertically into two halves regenerate into two individuals? Complete Figure D and E by indicating the regenerated regions.

Yes, a Planaria cut vertically into two halves regenerate into two individuals. Planaria can be cut into pieces and each piece can regenerate into a complete organism.The shaded part in the figures D and E represents the regenerated halves.

Question 35
Would a Planaria cut vertically into two halves regenerate into two individuals? Complete Figure D and E by indicating the regenerated regions.