Download App

STD 11 - 19. Chemical coordination and integration — BIOLOGY STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceBIOLOGYSTD 11 - 19. Chemical coordination and integration1 Mark
MCQ
Pregnancy hormone is
  • A
    Oestrogen
  • B
    Androgen
  • ✓
    Progesterone
  • D
    Gestron
✓

Answer

Correct option: C.
Progesterone
c
(c) Progesterone a hormone produced by mammalian corpus luteum maintains pregnancy.

It is responsible for the implantation of embryo and formation of uterine bed and placenta, as well as for inhibiting of ovulation and action of oxytocin on uterus during pregnancy.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from STD 11 - 19. Chemical coordination and integration→STD 11 - 19. Chemical coordination and integration — all question types→BIOLOGY STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

The vertical section of a dorsoventral leaf through the lamina shows three main parts namely, epidermis, ...$A$... and vascular system. The epidermis, which covers the upper surface is ...$B$... and lower surface is covered by ...$C$... of the leaf.

Choose the correct combination of $A , B$ and $C$

→
Most of the unicellular organisms are kept under
→
The periderm includes
→
In some endosperm development of plants, nuclear division takes place successively and many nuclei are formed. An example of this is:
→
Methanogens belong to :
→
Identify the wrong statement in context of heartwood.
→
What is found in a sponge
→
In which process, the $C-C$ bonds of complex compounds break through oxidation within the cells and it is leading to release of considerable amount of energy?
→
Which of the following is a hormone secreted by adenohypophysis?
→
$A -$ The pituitary gland is located in bony cavity called sella tursica and is attached to hypothalanus by a stalk

$R -$ Adenohypophysis consists of two portions, pars distalis and pars intermedia

→