Welcome to the NCERT Solutions for Class 12 Biology - Chapter Reproduction in Organisms. This page offers a step-by-step solution to the specific question from Exercise 1, Question 12: . With detailed answers and explanations for each chapter, students can strengthen their understanding and prepare confidently for exams. Ideal for CBSE and other board students, this resource will simplify your study experience.
Define external fertilization. Mention its disadvantages.
External fertilization: It means fertilization takes place outside the body.
In external fertilization, eggs have less chances of fertilization. This can lead to the wastage of a large number of eggs produced during the process.
Further, there is an absence of proper parental care to the offspring, which results in a low rate of survival in the progenies.
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the fusion of compatible gametes outside the body of the parents is called external fertilization.
Thanks for the update I will be in the update I will be there at like comment about everything and everyone
Must need to add- Amphibians syngamy occurs in external medium (water),I.e.,outside the body of the organisms is called external fertilization