Class 12 Biology - Chapter Human Reproduction NCERT Solutions | How many eggs do you think were released
Welcome to the NCERT Solutions for Class 12th Biology - Chapter Human Reproduction. This page offers a step-by-step solution to the specific question from Excercise 1 , Question 21: how many eggs do you think were released by the ov....
Question 21
How many eggs do you think were released by the ovary of a female dog which gave birth to 6 puppies?
Answer
Dogs and rodents are polyovulatory species. In these species, more than one ovum is released from the ovary at the time of ovulation. Hence, six eggs were released by the ovary of a female dog to produce six puppies.
More Questions From Class 12 Biology - Chapter Human Reproduction
- Q:- What is spermatogenesis? Briefly describe the process of spermatogenesis.
- Q:- Describe the structure of a seminiferous tubule.
- Q:- What is oogenesis? Give a brief account of oogenesis.
- Q:- Identify True/False statements. Correct each false statement to make it true.
(a) Androgens are produced by Sertoli cells. (True/False)
(b) Spermatozoa get nutrition from Sertoli cells. (True/False)
(c) Leydig cells are found in ovary. (True/False)
(d) Leydig cells synthesise androgens. (True/False)
(e) Oogenesis takes place in corpus luteum. (True/False)
(f) Menstrual cycle ceases during pregnancy. (True/False)
(g) Presence or absence of hymen is not a reliable indicator of virginity or sexual experience. (True/False) - Q:- What are the major components of seminal plasma?
- Q:- Write two major functions each of testis and ovary.
- Q:-
What is menstrual cycle? Which hormones regulate menstrual cycle?
- Q:- What are the major functions of male accessory ducts and glands?
- Q:- Name the functions of the following.
(a) Corpus luteum
(b) Endometrium
(c) Acrosome
(d) Sperm tail
(e) Fimbriae - Q:- Name the hormones involved in regulation of spermatogenesis.
Popular Questions of Class 12 Biology
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6 Comment(s) on this Question
Kaustubh
2019-09-15 22:26:37
Great fabulaus
Simran Kant
2019-05-18 20:03:03
Really thank-you
Zeeshan raees
2019-05-08 21:52:28
Thanks
Sowmi
2019-01-22 21:08:10
Sema. Appð
Aynal Hoque
2018-10-23 10:29:16
Thank\'s, I was confused...
Nilesh Sehrawat
2018-06-12 07:21:57
nice answers:-)
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