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.
meroblastic
In meroblastic cleavage, division occurs only in small amount of metabolically active cytoplasm, confined to the animal pole or peripheral region of egg. The yolk remains undivided. It is found in macrolecithal eggs. e.g. birds
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
The effect of intraspecific competition on niches is to make them
smaller
larger
change location
more triangular