Statement I :
Paedogenesis is the retention of larval characters in the adults.

Statement II :
Neoteny refers to the accelerated gonadal maturation in the larvae.

In the light of the above statements, choose the
correct answer from the options given below :

1. Both Statement I and Statement II are true
2. Both Statement I and Statement II are false
3. Statement I is true but Statement II is false
4. Statement I is false but Statement II is true

   Statement I is true but Statement II is false.

   Paedogenesis correctly describes adult retention of larval traits, while neoteny involves delayed somatic development with normal gonadal maturation—not acceleration as stated in II.

   Statement Verification

   Statement I (True): Paedogenesis means adults morphologically resemble larvae due to precocious sexual maturity before complete development. Classic examples include gall midges where larvae reproduce while retaining larval form.​

   Statement II (False): Neoteny features retarded somatic (body) growth while gonads mature normally on schedule. The opposite of “accelerated gonadal maturation”—gonads develop typically while body stays larval (axolotl salamanders).

   Option Analysis

   Option	Result	Explanation
   Both true	Incorrect	II reverses neoteny definition
   Both false	Incorrect	I correctly defines paedogenesis
   I true, II false	Correct	Matches textbook distinctions ​
   I false, II true	Incorrect	Both definitions swapped

   Introduction to Paedogenesis and Neoteny Definitions

   Paedogenesis is the retention of larval characters in the adults while neoteny refers to delayed body maturation with normal reproductive timing—not acceleration. These heterochronic processes confuse students, but Statement I correctly defines paedogenesis while II misstates neoteny. Critical for NEET, CSIR NET, GATE Life Sciences exams.​

   Paedogenesis: Larval Form Reproduces

   Paedogenesis = precocious gonadal maturity in larvae that retain juvenile morphology into adulthood.

   • Gall midge larvae (Heteropeza) produce fertile daughters from unfertilized eggs

   • Larval salamanders reproduce before metamorphosis
     Morphology stays larval; reproduction starts early.​

   Neoteny: Body Delayed, Gonads Normal

   Neoteny = somatic development retarded while gonadal maturation proceeds normally.

   • Axolotl retains gills, aquatic lifestyle, larval tail—but breeds successfully

   • Opposite of Statement II’s “accelerated gonadal maturation”
     Classic: body clock slows, reproductive clock unchanged.

   Key Distinctions Table

   Process	Somatic Development	Gonadal Development	Example
   Paedogenesis	Normal → adult	Accelerated	Gall midges
   Neoteny	Retarded → larval	Normal timing	Axolotl

   Exam Memory Aid

   • Paedogenesis = “Paedo” (child) + genesis (birth) = larval reproduction

   • Neoteny = “Neo” (new) + teny (stretch) = stretched juvenile period

   • Statement I ✓ | Statement II ✗ = Answer C

   Master paedogenesis retention larval characters vs neoteny for assertion-reason success.