MCQ
The nutritive medium for the ejaculated sperms is given by:
- ASeminal fluid
- BVaginal fluid
- CUterine lining
- DFallopian tube
Explanation:
Seminal fluid, i.e., semen contain spermatozoa and is secreted by males.
Seminal fluid contains many components apart from spermatozoa like proteolytic enzymes and other enzymes, fructose, ascorbic acid, prostaglandins, etc., and some substances promote the survival of spermatozoa.
On the other hand, vaginal fluid, uterine lining and fallopian tube are components of female reproductive system.
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$I$. Ovulation do not occur during the lactational period
$II$. Chances of the failure of contraception are almost nil upto six months following parturition
$III$. Side effects are almost nil
$IV$. It is a natural method of contraception
$V$. It increases phagocytosis of sperms
$I.$ 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?