Formation of a sporophyte from gametophyte and vice versa is termed as
Sexual reproduction
Asexual reproduction
Alternation of generation
Transformation
Genetically identical progeny is produced when an individual
Which of the following statements are correct regarding female reproductive cycle?
$A$. In non-primate mammals cyclical changes during reproduction are called oestrus cycle.
$B$. First menstrual cycle begins at puberty and is called menopause.
$C$. Lack of menstruation may be indicative of pregnancy.
$D$. Cyclic menstruation extends between menarche and menopause.
Choose the most appropriate answer from the options given below.
Parthenogenesis is observed in
Which one of the following generates new genetic combinations leading to variation?
Anisogamous means both gametes are