CBSE Questions for Class 12 Medical Biology Reproductive Health Quiz 10 - MCQExams.com

A.chlamydiosis is a bacterial disease caused by Chlamydia psittaci, which is carried commonly by birds. Humans can catch the disease by breathing in dust containing dried saliva, feathers, mucous and droppings from infected birds. Infection in humans is called Psittacosis.

B. Trichomoniasis is a very common sexually transmitted disease (STD). It is caused by infection with a protozoan parasite called Trichomonas vaginalis.

C. Gonorrhea is a sexually transmitted disease (STD). It’s caused by infection with the bacterium Neisseria gonorrhoeae.

$$\textbf{Correct option:B}$$ 

$$\textbf{Solution:}$$

$$\textbf{Option (A)}$$

$$\bullet$$ Puberty

$$\textbf{Option (B)}$$

$$\bullet$$ azoospermia is a condition seen in males in which testes coud not desced the scrotal sac and thus sperm production is obstructed ,as the scrotum provides the microenvironment for the formation of sperm (requires 2.5-3 degree celcius).

Due to

$$\textbf{Option (C)}$$

$$\bullet$$ Secondary sexual characters

$$\textbf{Option (D)}$$

$$\bullet$$ Marriage

$$\textbf{Hence, the correct option is (B)}$$

• Gamete Intra Fallopian Transfer (GIFT) refers to the transfer of an ovum collected from a donor into the fallopian tube of another female who cannot produce ova or egg but can provide a suitable environment for the fertilization as well as further development of the embryo.
• So, the correct answer is 'GIFT'.

• In vitro fertilization is the fertilization of the sperms and eggs outside the human body where eggs and the sperms are recollected from the parents and fertilized outside the body. After which the embryo formed is transferred back into the uterus of the mother where normal pregnancy is continued. This method is used by couples where there is less sperm count or the egg formation is irregular.
• Zygote intrafallopian transfer is the method whereafter in vitro fertilization the embryo formed is transferred in the fallopian tubule of the uterus and then continues into normal pregnancy when they are attached to the uterine wall of the uterus after reaching the blastomere stage.
• Gamete intrafallopian transfer is where the ovum is collected from another female and is transferred into the fallopian tubule of another female who is not able to produce eggs but will be able to provide a suitable environment for the development of the child.