Question 1 What is fission? Question 2 Describe asexual reproduction in amoeba? Question 3 What is multiple fission? Question 4 Name few organism which show binary fission? Fission Many single celled organism like protozoa and bacteria just split into two identical halves during cell division,leading to the creation of new organism. For Ex:Amoeba,paramecium, … [Read more...] about Fission
How do organism Reproduce
Birth Control Method
Question 1 What are Sexually transmitted diseases? Give example? Question 2 Give the full form of AIDS? Question 3 Explain barrier method of birth control? Question 4 Explain chemical method of birth control? Question 5 Explain surgical method of birth control? Birth Control Method The diseases which are spread by sexual contact with an infected person are … [Read more...] about Birth Control Method
Menstruation
Question 1 Define the term menstruation? Question 2 Define the term ovulation? Question 3 What is menstrual flow? Menstruation When a girl child is born,her ovaries contain thousand of immature egg which are contained in immature follicles. When a girl reaches puberty,then one follicle develops at a time to form mature egg. On maturing follicle bursts and egg … [Read more...] about Menstruation
Puberty
Question 1 What is puberty? Question 2 Define the term adolescence? Question 3 What common changes occur in girls during puberty? Question 4 What common changes occur in boys during puberty? Puberty The age at which sex hormones(or gametes) begin to be produced and boy and girl become sexually mature is called puberty. Boys = 13 - 14 years Girls = 10 - 12 … [Read more...] about Puberty
Female Reproductive System
Question 1 Explain female reproductive system? Question 2 What are ovaries? Question 3 Name the female gametes in human being? Female Reproductive System It consist of Ovaries, oviduct, fallopian tubes, uterus, vagina. (1) Ovaries They are oval shaped organ, inside abdominal cavity. There are 2 ovaries, makes egg or ova and sex hormones, composed of thousand of … [Read more...] about Female Reproductive System