Which is not true for a human sperm
Motile gamete
Micro gamete
Live for 2-3 days inside the female body cavity
Stores its own food
What is true about voice in adoloscent boys and girls.
High pitched voice in girls and low pitched in boys
Low pitched voice in girls and high poitched in boys
Both boys and girls have same pitch in their voice
The pitch of the voice does not change during adolescence but changes with individuals
Menstruation occurs
Weekly
Fortnightly
Once is 30-38 days
Once in 28-30 days
