Which of the following features differentiates a dicot stem from a monocot stem? a) the presence of a distinct pith and cortex in a monocot stem and an undifferentiated ground tissue in dicot stem b) the presence of a distinct pith and cortex in a dicot stem and an undifferentiated ground tissue in monocot stem c) the presence of conjoined vascular bundles in a dicot stem and radial vascular bundles in a monocot stem nextreset

one centimetre is equal to 0.01 metres

the level of progesterone is low at the pre-ovulatory phase of the cycle but it gradually increases and the levels are high at the luteal phase. if pregnancy occurs, the level of progesterone will be high throughout the pregnancy.

if egg is fertilized and the mother gets pregnant, progesterone starts preparing the uterus for the implantation. it starts building up the lining of uterus and make it hostile of the period of pregnancy.