There are 8 țeachers in a school. When a 35 year old teacher was transferred and ahother teacher joined, the average age was Increased by 2 years. How. old is the new teacher?

The average age of a child in a class of 35 is 11. The average age, including the teacher is 12. How old is the teacher?

Read the following statements and find out the incorrect statement(s). a. Humans are sexually reproducing and viviparous. b. Transfer of sperm in female genital tract (vagina) is called ejaculation. c. There are remarkable differences between the reproductive events in the male and in the female. d. Sperm formation continues even in old men, but formation of ovum ceases in women around the age of fifteen years. e. The male and female reproductive systems are located in the pelvic region.

A 9 year old girl accidentally consumes contraceptive pills regularly for 2 months. (Hint: Contraceptive pills contains estrogen) How it affects her reproductive development?