MCQ
Environmental resistance includes factor
- AShortage of food
- BDiseases and predation
- CLimited space
- ✓All the above
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$I$. Infertility is the inability to produce viable offsprings due to the defects in the female partner
$II$. Complete lactation helps in contraception
$III$. Spreading awareness can help to create a reproductively healthy society

$I.$ Cancer can be detected by the use of antibodies against cancer specific antigens for certain type of cancer
$II.$ The tumor cells are surgically removed to reduce the load of cancerous cells
$III.$ Certain chemotherapeutic drugs are used to kill the cancerous cells, but majority of the drugs have side effects like hair loss, anaemia, etc.