A) Eschew B) Estuarine C) Marine D) Fresh water
A) Presence of high-level oxygen B) Presence of low level oxygen C) High salinity D) Low light penetration
A) Benthic zone B) Supratidal zone C) Meridian zone D) Littoral zone
A) High concentration of oxygen content B) Variation in temperature C) Low concentration of oxygen content D) Low salinity
A) Eutriphication B) Etrophication C) Eutrophication D) Eutropication
A) Existence of canopies B) Presence of broad leaves C) Presence of buttress root. D) Presence of thick barks
A) Kalahari desert B) Great Australian desert C) Great Britain desert D) Arabian desert
A) Water vapour B) Respiratory medium C) Transportation medium D) Respiratory surface
A) Small area to aid easy diffusion of gases B) Large surface area to aid easy diffusion of gases C) Moist surface D) Thin-walled to shorten diffusion distance and make diffusion easier and faster
A) Gill arch B) Gill fume C) Gill raker D) Gill filament
A) Glomerulus in the bowman's capsule B) Ultra filteration C) Hormonal secretion D) Selective reabsorption
A) Distal tubule B) Bowman's capsule C) Urethra D) Henle's loop
A) Poor storage facilities B) War C) Overpopulation D) Urbanisation
A) Increased supply of a particular type of food B) Emigration C) Decline in the rate of reproduction D) Competition
A) Heat B) Space C) Water D) Parasites
A) Light B) Mortality C) Food D) Competition
A) Balance in nature B) Dispersal C) Limiting factor D) Environmental resistance
A) Promotion of maternal and mother's health B) Increased risk of STDs C) Prevention of population explosion D) Prevention of indiscriminate abortion
A) Endoplasmic reticulum B) Cytoplasm C) Contractile vacuole D) Ribosome
A) Neutralisation B) Concentration gradient C) Homeostasis D) Osmotic pressure balance |