19020.Tranquilliser is drug used for
Inducing sleep
Relieving pain
Giving Soothing effect
Giving stimulating effect
19021.Which of the followings take part in symbiosis of lichen?
Fungus-Fungus
Alga-Alga
Alga-Fungus
Fungus-Gymnosperm
19022.Unrestricted reproductive capacity is called
Carrying capacity
Birth rate
Fertility
Biotic potential.
19023.Use of Cannabis products results in
Alteration in perception, thoughts and feelings
Depressed brain activity and feeling of calmness
Suppressed brain function and relief in pain
Stimulation of nervous system, increased alertness and activity
19024.When natality is balanced by mortality, there is
Decrease in population growth
Zero population growth
Increase in population growth
Over population
19025.When population reaches carrying capacity
Mortality rate = Birth rate
Mortality rate > Birth rate
Mortality rate < Birth rate
None of the above