Biology · Textbook solutions

Human Reproduction

Every solved example, exercise, and miscellaneous question, in the order the textbook teaches them. · 41 questions

Exercises

41 q

Fill in the blanks:
Ex 2 Q1 (a) $Humans reproduce _______ (asexually/sexually)$
Ex 2 Q1 (b) $Humans are _______ (oviparous, viviparous, ovoviviparous)$
Ex 2 Q1 (c) $Fertilisation is _______ in humans (external/internal)$
Ex 2 Q1 (d) $Male and female gametes are _______ (diploid/haploid)$
Ex 2 Q1 (e) $Zygote is _______ (diploid/haploid)$
Ex 2 Q1 (f) $The process of release of ovum from a mature follicle is called _______$
Ex 2 Q1 (g) $Ovulation is induced by a hormone called _______$
Ex 2 Q1 (h) $The fusion of male and female gametes is called _______$
Ex 2 Q1 (i) $Fertilisation takes place in _______$
Ex 2 Q1 (j) $Zygote divides to form _______which is implanted in uterus.$
Ex 2 Q1 (k) $The structure which provides vascular connection between foetus and uterus is called _______$
Ex 2 Q2 $Draw a labelled diagram of male reproductive system.$
Ex 2 Q3 $Draw a labelled diagram of female reproductive system.$
Ex 2 Q4 $Write two major functions each of testis and ovary.$
Ex 2 Q5 $Describe the structure of a seminiferous tubule.$
Ex 2 Q6 $What is spermatogenesis? Briefly describe the process of spermatogenesis.$
Ex 2 Q7 $Name the hormones involved in regulation of spermatogenesis.$
Ex 2 Q8 $Define spermiogenesis and spermiation.$
Ex 2 Q9 $Draw a labelled diagram of sperm.$
Ex 2 Q10 $What are the major components of seminal plasma?$
Ex 2 Q11 $What are the major functions of male accessory ducts and glands?$
Ex 2 Q12 $What is oogenesis? Give a brief account of oogenesis.$
Ex 2 Q13 $Draw a labelled diagram of a section through ovary.$
Ex 2 Q14 $Draw a labelled diagram of a Graafian follicle?$
Name the functions of the following:
Ex 2 Q15 (a) $Corpus luteum$
Ex 2 Q15 (b) $Endometrium$
Ex 2 Q15 (c) $Acrosome$
Ex 2 Q15 (d) $Sperm tail$
Ex 2 Q15 (e) $Fimbriae$
Identify True/False statements. Correct each false statement to make it true.
Ex 2 Q16 (a) $Androgens are produced by Sertoli cells. (True/False)$
Ex 2 Q16 (b) $Spermatozoa get nutrition from Sertoli cells. (True/False)$
Ex 2 Q16 (c) $Leydig cells are found in ovary. (True/False)$
Ex 2 Q16 (d) $Leydig cells synthesise androgens. (True/False)$
Ex 2 Q16 (e) $Oogenesis takes place in corpus luteum. (True/False)$
Ex 2 Q16 (f) $Menstrual cycle ceases during pregnancy. (True/False)$
Ex 2 Q16 (g) $Presence or absence of hymen is not a reliable indicator of virginity or sexual experience. (True/False)$
Ex 2 Q17 $What is menstrual cycle? Which hormones regulate menstrual cycle?$
Ex 2 Q18 $What is parturition? Which hormones are involved in induction of parturition?$
Ex 2 Q19 $In our society the women are often blamed for giving birth to daughters. Can you explain why this is not correct?$
Ex 2 Q20 $How many eggs are released by a human ovary in a month? How many eggs do you think would have been released if the mother gave birth to identical twins? Would your answer change if the twins born were fraternal?$
Ex 2 Q21 $How many eggs do you think were released by the ovary of a female dog which gave birth to 6 puppies?$