MCQ
Which one produce androgenic haploids in anther cultures?
- AAnther wall.
- BTapetal layer of anther wall.
- CYoung pollen grains.
- DConnective tissue.
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$I.$ In a population, birth rate and death rate refer to per capita births and death respectively
$II.$ In nature, we rarely find isolated single individuals of any species
$III.$ The size of population for any species is stable phenomena
$IV.$ Ecological effects of any factors on a population growth are generally reflected in its size/population density