In CAM plants
stomata open in day and close at night
stomata remain open in day and night both
stomata remain closed in day and night both
stomata open at night and close in day
Incomplete division of egg during cleavage is known as
meroblastic
holoblastic
meridional
spiral
A person who is trisomic for twenty first pair of chromosome suffers from
Klinefelter's syndrome
Down's syndrome
Turner's syndrome
None of the above
The immediate cause of induction of ovulation in female is the large plasma surge of
progesterone
estradiol
LH
FSH
C.
LH
Ovulation takes place on 14th day of cycle, concentration of LH is highest on 14th day because it has to break the Graafian follicle so as to release the ovum later if the concentration of estrogen and progesterone decrease there is lose of internal lining of uterus and menstural bleeding start.
The effect of intraspecific competition on niches is to make them
smaller
larger
change location
more triangular