REPRODUCTIVE SYSTEM

Detailed Study:

Brief Revision - Important Question Solving:

https://www.youtube.com/watch?v=W3IgJth-ArY

Important Diagrams:

  • Arrangement of Male Reproductive Organs

  • Longitudinal Section of Testis

  • Arrangement of Female Reproductive Organs

  • Structure of Sperm

  • Developing Foetus

Frequently Tested Topics:

  • Site of fertilization

  • Menstrual cycle

  • Functions of placenta

  • Types of twins

  • Functions of male accessory glands

  • Function of epididymis, seminiferous tubules, sperm duct

  • Structure of female reproductive systems, testes

Important Past Questions:

  • Name the following:

i) The structure that connects the placenta and the foetus. (2019)

ii) The place where fertilization occurs in the female reproductive system. (2010)

iii) The pituitary hormone which stimulates contraction of uterus during child birth. (2017)

iv) The cells of the testes that produce the male hormones. (2011, 2014)

v) The structure formed by the villi of the embryo and the uterus of the mother. (2015)

  • Give biological terms for the following:

i) The onset of menstruation in a young girl. (2018)

ii) The fluid which surrounds the foetus. (2018) 

iii) The kind of twins formed from two fertilized eggs. (2010, 2017) 

iv) Fixing of developing zygote on uterine wall. (2015)

v) Cessation of menstruation in females. (2010, 2014, 2015)

vi) The period of complete intrauterine development of the embryo. (2010)

vii) Membrane that protects the foetus and secretes a protective fluid. (2010)

viii) Thin walled sac of skin that covers the testes. (2014)

ix) The accessory gland in human males whose secretion activates the sperms. (2017)

x) The phase in the menstrual cycle in which the remnant of follicle in the ovary turns to corpus luteum. (2012)

  • Choose the correct answer:

i) In a human male, a sperm will contain:

A) Both X and Y chromosomes

B) Only Y chromosome

C) Only X chromosome

D) Either X or Y chromosome

(2019)

ii) A single highly coiled tube where sperms are stored, gets concentrated and mature is known as:

A) Epididymis

B) Vas efferentia

C) Vas deferens

D) Seminiferous tubule

(2014, 2015)

iii) The technical term for the fertilized egg is:

A) Placenta

B) Zygote

C) Morula

(2010)

iv) On which day of the menstrual cycle does ovulation take place?

A) 5th day

B) 28th day

C) 14th day

D) 1st day

  • Choose the odd one out from the following terms given and name the category to which the others belong:

i) Prostate gland, Cowper's gland, seminal vesicle, seminiferous tubules (2018)

ii) Oxytocin, insulin, prolactin, progesterone. (2014)

  • Rewrite the correct statement by changing the underlined words:

i) The Graafian follicle after ovulation turns into a hormone producing tissue called Corpus callosum. (2017)

ii) Gestation is the process of fixing of the zygote to the uterine wall. (2011)

  • Rewrite the terms in logical sequence as directed at the end of each statement:

i) Implantation, parturition, ovulation, gestation, fertilization (stages leading to formation of foetus and birth)  (2012)

ii) Vagina, ovary, uterus, oviduct, cervix (pathway of egg after ovulation)   (2010)

  • State the main function of the following -

i) sperm duct. (2014)

ii) seminiferous tubule (2012)

iii) placenta (2013)

  • Give biological explanations for:

i) the placenta is an important structure for the development of a foetus. (2018)

ii) When an ovum gets fertilized, menstrual cycle stops temporarily in women. (2016

  • Given below is an example of a certain structure and its special functional activity:

Ribosomes and protein synthesis.

On a similar pattern complete the following:

Seminiferous tubule and _______.

(2010)

  • Differentiate between the following on the basis of what is given in the brackets:

i) Sperm duct and fallopian tube. (function) (2016)

ii) Testosterone and oestrogen (organ which secretes) (2018) 

DIAGRAM BASED QUESTIONS

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