Q2 of 63 Page 154

Choose the odd one in each of the following:

(a) Oestrogen; progesterone; testosterone; prolactin.


(b) Ovary; fallopian tube; ureter; uterus.


(c) Seminiferous tubule; ovum; epididymis; sperm duct; urethra.


(d) Sperm; implantation; fertilization; ovum; after birth.

(a) Testosterone is the odd one out.


Explanation: Oestrogen; progesterone; prolactin. are female reproductive hormones whereas Testosterone is a male reproductive hormone.


(b) Ureter is the odd one out.


Explanation: Ovary; fallopian tube; uterus belongs to the reproductive system (female) whereas the ureter belongs to the Excretory system.


(c) Ovum is the odd one out.


Explanation: Ovum is a part of the female reproductive system whereas the rest is a part of the male reproductive system.


(d) After birth is the odd one out.


Explanation: After birth is the discharge after the birth takes place whereas the rest of the terms are processes, and structures involved in reproduction. After-birth occurs after reproduction takes place.


More from this chapter

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3

In the female, after how much time after fertilization, does the fertilized egg get implanted in the uterine wall?

 1

Name the following:

(a) The body part in which the testes are present in a human male.


(b) The part where the sperms are produced in the testes.


(c) The fully developed part of the ovary containing a mature egg.


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


(e) The tubular knot fitting like a cap on the upper side of the testis.

 3

Rewrite the terms in the correct order so as to be in a logical sequence.

(a) Sperm duct, penis, testes, sperms, semen.


(b) Puberty, menopause, menstrual, menarche, reproductive age.


(c) Graafian follicle, ostium, uterus, fallopian tube.

 4

Write in sequence, the regions through which a mature sperm travels from the seminiferous tubules up to the urethral opening in the human male.