Dispersal of fruits in Opium (poppy) occur through shaking by wind by
explosive mechanism
parachute mechanism
censer mechanism
jacular mechanism
C.
censer mechanism
In certain fruits the seeds are discharged through small openings on the fruits. The outlets are so narrow that only a few seeds can escape at a time.
The capitulum of sunflower, in which the seeds are heavy and not provided with pappus, shows a censer mechanism in the restricted escape of seeds when it is swung by wind.
When the pollen tube enters through the micropyle, it is termed as
chalazogamy
mesogamy
porogamy
none of these
Which of the following cytoplasmic granules contain histamine
Basophils
Acidophils
Eosinophils
Neutrophils
Squeezing of leucocytes out from the endothelium of capillaries to fight foreign agents. is known as
haemolysis
diapaedesis
phagocytosis
rouleaux
Which organ is considered as "Graveyard of RBC" where most of them are destroyed by macrophages
Red bone marrow
Spleen
Kidney
Intestine
When one organism is benefited without affecting the other, it is called
parasitism
commensalism
saprophytis
symbiosis
A branch of science in which. forest crop can be grown in desired pattern is
Histology
Horticulture
Pisiculture
siliviculture
Which of the following factor is biotic
Photoperiod
CO2 content to the soil
Texture and porosity of soil
Rainfall