JAC 12th Biology Ch 3 Important Questions: Human Reproduction

JAC 12th Biology Ch 3 Important Questions: झारखण्ड बोर्ड कक्षा 12th सभी विद्यार्थियों के लिए Biology में Chapter 3 Human Reproduction के पिछले वर्षो में जो भी प्रश्न पूछे गए हैं, उनकी चर्चा हम इसमें करेंगे तो इन Important Questions को पढ़ लीजिए.

JAC 12th Biology Ch 3 Important Questions: Human Reproduction

विद्यार्थी इसका उत्तर स्वयं करें। ये सारे प्रश्न आपके परीक्षा (JAC 12th Biology Important Questions For Board Exams) में बार – बार पूछे जा रहे है। इसमें आपको सभी chapter का अलग-अलग पिछले 16 वर्षों के महत्वपूर्ण प्रश्न मिलेंगे। यानि 2006-2020 इसमें आपको ये भी बताया जा रहा है कि कौन से प्रश्न किस तरह से एवं कितने Biology के पूछे जा रहें है.

Name of Organisation	Jharkhand Academic Council Ranchi
Category	Important Question
Article	JAC 12th Biology Important Questions
State	Jharkhand
Question Types	Previous Year & Important Questions
Class	12th(Inter)
Stream	Science
Subject	Biology
Chapter	3rd Chapter
Chapter Name	Human Reproduction
Telegram	Join Us

JAC 12th Biology Ch 3 Previous Years Important Questions

Chapter:-3 Human Reproduction

Q1.With the help of a diagram describe the structure of human sperm. [JAC 2020]
Q2. Write the differences between spermatogenesis and oogenesis.[JAC 2020]
Q3. The structure which provides vascular connection between foetus and uterus is called as:-
a) Placenta
b) fallopian tube
c) Trophoblast
d) Endometrium [JAC 2020]

Q4. How many sperms are produced from a single spermatogonium?
a) 6
b) 1
c) 4
d) 3 [JAC 2020,2015]
Q5.Describe the process of oogenesis with suitable diagram? [JAC2010,2012,2014,2019]
Q6.Name chief layers of human ovum. [JAC, 2016,2019]

Q7. Which of the following antibodies is found in abundance in colosterum (mother’s milk)
a) IgG
b) IgM
c)IgE
d) IgA [JAC 2019]
Q8.How does the sex -determination take place in human? [JAC-2018,2011]
Q9.Describe the process of spermatogenesis with suitable diagrams (JAC 2018,2011]
Q10. Leydig cells are present in –
a) Ovary
b) Testis
c) kidney
d) uterus [JAC 2018]

Q11.The chromosomal type of sex – determination in human being is –
a) XX-XO
b) XX-XY
c) ZZ-ZO
d) ZZ-ZW [JAC 2018]
Q12.Stroma is present in :-
a) Testis
b) Ovary
c) uterus
d) Epididymis [JAC 2017]
Q13.label the diagram given below [JAC 2017]

Q14.Write the name of component cells of an Embryo sac [JAC 2017]
Q15.label the diagram given below:-[JAC 2016]

Q16.Corpus lute secretes :-
a) Progesterone
b) Insulin
c) pepsin
d) saliva [JAC 2015]

Q17. The process of formation of a mature female. gamete is called:-
a) Oogenesis
b) spermatogenesis
c) Oogonia
d) spermatocyte [JAC 2015]
Q18.Write the technical term for intimate connection between the developing foetus and maternal uterine wall for exchange materials [JAC 2015]

Q19. Which one is female gametophyte?
a) Embryo
b) Egg
c) Embryo-sac
d)Antipodal cell [JAC 2015,2014]
Q20.Write the technical term used for male and female gametogenesis [JAC 2014]
Q21.sertoli cells are present in :-
a) Testes
b) kidney
c) Ovary
d) liver [ JAC 2014]

Q22.Total number of chromosomes in fertilized eggs of human beings is:- [JAC 2014]
Q23.what is fertilisation? How does implantation occur after fertilisation in human being? [JAC 2013]
Q24.a) Name the type of placenta found in human?
b) Name the two hormone released from placenta during pregnancy?
c) At what time of preganancy do limbs and digit develops in foetus?
d) Name the hormonr which helps in parturition? [JAC 2013]

Q25.Number of chromosomes found in human being is :-
a) Four pairs
b) twenty two pairs
c) twenty three pairs
d) twenty four pairs [JAC 2013]
Q26.which secondary sex organs are found in female? [JAC 2012]
Q27.The gap in between two menstrual period is roughly
a) 10 days
b) 20 days
c) 24 days
d) 30 days
[JAC 2012]

Q28.Draw a labelled diagram of menstral cycle in female [ JAC 2011,2009]
Q29.where does leydig cells are found What are it’s functions? [JAC 2011,2009]
Q30.write the names of hormones which control the menstrual cylce in females? [JAC 2011]
Q31.Draw a labelled diagram of female reproductive system. [JAC 2010]

Q32.what are steroids? [JAC 2010]
Q33. Name the harmones which regulate different stages or menstrual cycle in female. [JAC 2009]
Q34.what are the different phases of menstrual cyle? [JAC 2008]

Q35. Name different types of foetal membranes present around human embryo [JAC 2006]
Q36. Match the following:-

1. Spermatogonia :-sperm [JAC 2019,2015]
2. Testis:- spermatogenesis [JAC 2018]
3. Sertoli cell:- Testis [JAC 2017]
4. fertilization :- Zygote [JAC 2015]

Conclusion

उम्मीद करते हैं या आर्टिकल(JAC 12th Biology Important Questions Chapter 3) आपको पसंद आया होगा अगर आया हो तो कृपया करके अपना प्यारा सा कंमेंट नीचे कर दे उसके साथ ही अधिक अपडेट जानने के लिए हमारे टेलीग्राम ग्रुप में ज्वाइन कर ले.