MCQ
Persistant calyx is characteristics of
- AAllium/Liliaceae
- BHibiscus/Malvaceae
- CDalbergia/Papilionatae
- ✓Solanum/Solanaceae
It can be accrescent (sepals grow in size, remain green and may cover the fruit, e.g.,$ Brinjal, Chillies$) or marcescent (sepals do not grow with the growth of fruit and become dry, e.g., $Guava, Piper$).
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$1.$ It is character of non living
$2.$ It is character of living organism
$3.$ It could not be physical, chemical or biological
$(i)$ is released by sympathetic fibers
$(ii)$ is released by parasympathetic fibers
$(iii)$ increases the heart rate
$(iv)$ decreases blood pressure.
Which of the above statements are correct ?