Which of the following is correctly matched?

$Statement\; 1$: $A$ plant can be retained and multiplied indefinitely without any change or variation through asexual reproduction.
$Statement\; 2$: Asexual reproduction does not involve meiosis and syngamy.

Reproduction is a biological process in which an organism gives rise to young ones (offspring) similar to itself. An organism's method of reproduction depends upon which of the following factors?

Identify the correct sentence.

The external stimulus which induces cleavage in an unfertilized ovum is called:

The disadvantage of parthenogenesis is: