Class XII Biology
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187 questions in this chapter
Question 31 of 187
π CLASS XII
The technology commonly known as the 'test tube baby' programme involves which of the following procedures?
In vitro fertilisation (IVF)βfertilisation outside the bodyβfollowed by embryo transfer (ET) is the method popularly known as the test tube baby programme.
Question 32 of 187
π CLASS XII
What does ZIFT stand for in the context of Assisted Reproductive Technologies (ART)?
In ZIFT, or zygote intra fallopian transfer, the zygote or early embryos (with up to 8 blastomeres) are transferred into the fallopian tube.
Question 33 of 187
π CLASS XII
In the ART procedure GIFT, what is transferred into the fallopian tube?
GIFT, or gamete intra fallopian transfer, is a method where an ovum collected from a donor is transferred into the fallopian tube of another female who cannot produce one.
Question 34 of 187
π CLASS XII
Intra cytoplasmic sperm injection (ICSI) is a procedure where:
ICSI is a specialised procedure to form an embryo in the laboratory in which a sperm is directly injected into the ovum.
Question 35 of 187
π CLASS XII
The artificial insemination (AI) technique is used to correct infertility cases due to:
Infertility cases due to the male partner's inability to inseminate the female or due to very low sperm counts can be corrected by the artificial insemination (AI) technique.
Question 36 of 187
π CLASS XII
What does IUI stand for?
In the IUI (intra-uterine insemination) technique, semen collected from the husband or a healthy donor is artificially introduced into the uterus of the female.
Question 37 of 187
π CLASS XII
A statutory ban on amniocentesis for sex-determination is in place to check:
The statutory ban on amniocentesis for sex-determination is intended to legally check the increasing menace of female foeticides.
Question 38 of 187
π CLASS XII
Which of the following is a reusable barrier contraceptive for females?
Diaphragms, cervical caps, and vaults are barrier methods for females made of rubber. They are reusable. Condoms, in contrast, are disposable.
Question 39 of 187
π CLASS XII
What is the most important step mentioned to overcome the problem of population growth?
The most important step to overcome the problem of rapid population growth is to motivate smaller families by using various contraceptive methods.
Question 40 of 187
π CLASS XII
Which slogan was popularized to promote the two-child norm in India?
Advertisements in the media, as well as posters, showed a happy couple with two children with the slogan Hum Do Hamare Do (we two, our two) to motivate smaller families.