NEET BIOLOGY

REPRODUCTION

REPRODUCTION IN ORGANISMS

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
Regeneration must always produce a new organism.
A
True
B
False
C
Either A or B
D
None of the above
Explanation: 

Detailed explanation-1: -(b) In complex multicellular organisms, the specialised cells form tissues, tissues form organs and organs coordinate to form a system. Due to this high degree of specialisation, multicellular organisms cannot reproduce by regeneration.

Detailed explanation-2: -Plants and some sea creatures, such as jellyfish, can replace missing parts by extensively remodeling their remaining tissues. Some animals such as lobsters, catfish, and lizards replace missing parts by first growing a specialized bud of cells, called a blastema.

Detailed explanation-3: -Regeneration is different from reproduction as reproduction does not involve the loss of mother organism to form the offspring. In the case of regeneration, the body of a mother organism gets segregated to produce new generation of offspring which causes the loss of mother organism.

Detailed explanation-4: -Regeneration is considered as a method of reproduction because it is the ability of an organism to give rise new individual organism from their body parts.

There is 1 question to complete.