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Published on: 24/05/2021
QB365 Provides the updated NCERT Examplar Questions for Class 12 Biology, and also provide the detail solution for each and every ncert examplar questions , QB365 will give all kind of study materials will help to get more marks
Download CBSE Class 12th Standard CBSE Biology question papers, sample papers, important questions, and previous year solved papers in PDF format. Get free study materials, NCERT solutions, and exam preparation resources for Class 12th Standard CBSE Biology
Questions + Answers key
Take MCQ Biology Test1.
The method of directly injecting a sperm into ovum in assisted reproductive, technology is called
GIFT
ZIFT
ICSI
ET
2.
Intensely lactating mothers do not generally conceive due to the
suppression of gonadotropins.
hyper secretion of gonadotropins.
suppression of gametic transport.
suppression of fertilisation.
3.
Condoms are one ofthe most popular contraceptives because of the following reasons
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.
4.
The correct surgical procedure as a contraceptive method is:
Ovariectomy
Hysterectomy
Vasectomy
Castration
5.
Choose the correct answer regarding the ZIFT procedure?
Ova collected from a female donor are transferred to the fallopian tube to facilitate zygote formation.
Zygote is collected from a female donor and transferred to the fallopian tube.
Zygote is collected from a female donor and transferred to the uterus
Ova collected from a female donor and transferred to the uterus
1.
(c)
ICSI
2.
(a)
suppression of gonadotropins.
3.
(d)
all of the above.
4.
(c)
Vasectomy
5.
(b)
Zygote is collected from a female donor and transferred to the fallopian tube.
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