- ✓Suppress sperm motility
- BIncrease phagocytosis of sperms
- Cprevent ovulation
- DMake uterus unsuitable for implantation
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Assertion $A$: Endometrium is necessary for implantation of blastocyst.
Reason $R$: In the absence of fertilization, the corpus luteum degenerates that causes disintegration of endometrium.
In the light of the above statements, choose the correct answer from the options given below:
$I.$ Organic farming promotes the use of crop rotations and cover crops and encourages balanced host/predator relationships
$II.$ Integrated pest and weed management and soil conservation systems are valuable tools on an organic farm
$III.$ Organic farming protects the environment, minimize soil degradation and erosion and decrease pollution
Which of the statements given above are correct?