Which one of the following is not the function of placenta ? It:

  • Option 1)

    secretes oxytocin during parturition.

  • Option 2)

    facilitates supply of oxygen and nutrients to embryo.

  • Option 3)

    secretes estrogen.

  • Option 4)

    facilitates removal of carbon dioxide and waste material from embryo.

 

Answers (1)

As learnt in

Sperms -

Sperms released from the seminiferous tubules, are transported by the accessory ducts. Secretions of epididymis, vas deferens, seminal vesicle and prostate are essential for maturation and motility of sperms. maturation and motility of sperms. 

- wherein

The human male ejaculates about 200 to 300 million sperms during a coitus of which, for normal fertility, at least 60 per cent sperms must have normal shape and size and at least 40 per cent of them must show vigorous motility. 

 

 Oxytoxin is secreted by the pituitary gland. 


Option 1)

secretes oxytocin during parturition.

This option is correct.

Option 2)

facilitates supply of oxygen and nutrients to embryo.

This option is incorrect.

Option 3)

secretes estrogen.

This option is incorrect.

Option 4)

facilitates removal of carbon dioxide and waste material from embryo.

This option is incorrect.

Preparation Products

Knockout JEE Main April 2021

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 22999/- ₹ 14999/-
Buy Now
Knockout JEE Main April 2022

An exhaustive E-learning program for the complete preparation of JEE Main..

₹ 34999/- ₹ 24999/-
Buy Now
Test Series JEE Main April 2021

Take chapter-wise, subject-wise and Complete syllabus mock tests and get in depth analysis of your test..

₹ 6999/- ₹ 4999/-
Buy Now
JEE Main Rank Booster 2021

This course will help student to be better prepared and study in the right direction for JEE Main..

₹ 13999/- ₹ 9999/-
Buy Now
Knockout BITSAT 2021

It is an exhaustive preparation module made exclusively for cracking BITSAT..

₹ 4999/- ₹ 2999/-
Buy Now
Boost your Preparation for JEE Main 2021 with Personlized Coaching
 
Exams
Articles
Questions