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
Dispersal of fruits in Opium (poppy) occur through shaking by wind by
explosive mechanism
parachute mechanism
censer mechanism
jacular mechanism
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
B.
commensalism
Commensalism, in biology, a relationship between individuals of two species in which one species obtains food or other benefits from the other without either harming or benefiting the latter.
The commensal—the species that benefits from the association—may obtain nutrients, shelter, support, or locomotion from the host species, which is unaffected. The commensal relation is often between a larger host and a smaller commensal. The host organism is essentially unchanged by the interaction, whereas the commensal species may show great morphological adaptation. This relationship can be contrasted with mutualism, in which both species benefit
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