Advertisements
Advertisements
प्रश्न
Choose the Odd One Out:
विकल्प
Ovum
Corpus luteum
Scrotal sacs
Ovary
Advertisements
उत्तर
Scrotal sacs
APPEARS IN
संबंधित प्रश्न
Find the odd one out and write it: vagina, uterus, vas deferens, ovary
List two functions ovary of human female reproductive system.
Write the site of fertilization and the part where the zygote gets implanted in the human female.
Mention the total number of chromosomes along with the sex chromosomes that are present in a human female and a human male. Explain how in sexually producing organisms the number of chromosomes in the progeny remains the same as that of the parents.
Write the names of female sex hormones.
What changes are seen in boys at the time of puberty?
When a female child is born, her ovaries already contain thousands of immature eggs (or ova) contained in immature structures A. On maturing, A bursts open and an egg shoots out of the ovary in a process called B. The process B starts in the females at puberty and occurs again and again after a time period x. Before every occurrence of process B, the inner lining of uterus becomes thick and soft with lots of blood vessels in it. When the egg cell gets fertilised by a sperm, then an event C occurs in the life of mature human female which lasts for time period y leading to the birth of baby. If, however, the egg cell released by the ovary does not get a sperm to fuse with, then the thick and soft inner lining of uterus breaks down and comes out of the female's body in an event called D. The occurrence of event D is controlled by chemical substances E.
(a) What are A?
(b) What is process B?
(c) What is the time period x?
(d) Name the event C.
(e) How much is the time period y?
(f) What is the name of process D?
(g) Name the chemical substances E.
Mention the two functions of human testis.
Define the following:
Parthenogenesis
Define the following:
Monoceious
