MCQ
Cleistogamous flowers are self-pollinated, why ?
- ✓These are bisexual flowers that never open
- BThese are bisexual and always open flowers
- CThese are unisexual
- DStigma matures before dehiscence of anthers
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$A$. Tropical latitudes have remained relatively undisturbed for millions of years, hence more time was available for species diversification.
$B$. Tropical environments are more seasonal.
$C$. More solar energy is available in tropics.
$D$. Constant environments promote niche specialization.
$E$. Tropical environments are constant and predictable.
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