CLASS-XII BIOLOGY CHAPTER END TEST
CHAPTER-03: REPRODUCTIVE HEALTH
Emergency contraceptives are effective if used within: (1M)
From the sexually transmitted diseases mentioned below, identify the one which does not specifically affect the sex organs: (1M)
Syphilis
AIDS
Gonorrhea
Genital warts
Condoms are one of the most popular contraceptives because of the following reasons: (1M)
These are effective barriers for insemination
They do not interfere with coital act
These help in reducing the risk of STDs
All of the above
A national level approach to build up a reproductively healthy society was taken up in our country in: (1M)
1950s
1960s
1980s
1990s
At the time of Independence, the population of India was 350 million, which exploded to over one billion by May, 2000. List any two reasons for the rise in population and any two steps taken by the government to check this population explosion. (2M)
How do ‘implants’ act as an effective method of contraception in human females? Mention its one advantage over contraceptive pills. (2M)
Explain the three natural methods of contraception. (3M)
IVF is a process in which viable eggs are removed from the ovary of a female and fused with viable sperm in artificial laboratory conditions outside the uterus. The embryos are grown in the laboratory for several days and then either placed in a woman's uterus. It is done to help a woman become pregnant. It is used to treat many causes of infertility, including Advanced age of the woman (advanced maternal age) Damaged or blocked fallopian tubes (can be caused by pelvic inflammatory disease or prior reproductive surgery) (4M)
What is the full form of IVF?
Invitro fertilization
Invivo fertilization
Invitro formation of fetus
Invivo formation of the fetus
Identify the process which belongs to IVF
Amniocentesis
Embryo transfer
Tubectomy
All of these
In ZIFT at what stage zygote is transferred to the fallopian tube
2 celled stage
4 celled stage
6 celled stage
8 celled stage
identify the correct pair of techniques that belong to ART
IVF and ET
ET and amniocentesis
IVF and Cu
ET and Vasectomy
Answer the following (5M)
Expand the following : ICSI ; GIFT; ZIFT ; IUI
Which of these methods will be employed when a female who cannot produce a functional egg, but can provide a suitable environment for fertilisation and further development.
How can infertility be corrected if the infertility is either due to inability of the male partner to inseminate the female or due to very low sperm counts in the ejaculates. Explain the process.
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