A) Fresh water B) Estuarine C) Marine D) Eschew
A) Presence of high-level oxygen B) Low light penetration C) Presence of low level oxygen D) High salinity
A) Benthic zone B) Littoral zone C) Meridian zone D) Supratidal zone
A) Low salinity B) Variation in temperature C) Low concentration of oxygen content D) High concentration of oxygen content
A) Eutrophication B) Etrophication C) Eutropication D) Eutriphication
A) Existence of canopies B) Presence of thick barks C) Presence of broad leaves D) Presence of buttress root.
A) Great Australian desert B) Kalahari desert C) Arabian desert D) Great Britain desert
A) Water vapour B) Respiratory surface C) Respiratory medium D) Transportation medium
A) Thin-walled to shorten diffusion distance and make diffusion easier and faster B) Small area to aid easy diffusion of gases C) Large surface area to aid easy diffusion of gases D) Moist surface
A) Gill fume B) Gill filament C) Gill arch D) Gill raker
A) Ultra filteration B) Selective reabsorption C) Hormonal secretion D) Glomerulus in the bowman's capsule
A) Distal tubule B) Urethra C) Bowman's capsule D) Henle's loop
A) War B) Urbanisation C) Poor storage facilities D) Overpopulation
A) Increased supply of a particular type of food B) Competition C) Decline in the rate of reproduction D) Emigration
A) Parasites B) Space C) Heat D) Water
A) Light B) Competition C) Mortality D) Food
A) Environmental resistance B) Balance in nature C) Limiting factor D) Dispersal
A) Increased risk of STDs B) Promotion of maternal and mother's health C) Prevention of population explosion D) Prevention of indiscriminate abortion
A) Endoplasmic reticulum B) Ribosome C) Cytoplasm D) Contractile vacuole
A) Concentration gradient B) Neutralisation C) Osmotic pressure balance D) Homeostasis
A) Salt-excreting glands B) Camouflage C) Water-retaining cells D) Osmoregulation
A) Stilt roots B) Deep roots C) No roots D) Shallow roots
A) Waxy coating B) Water-retaining cells C) Salt-excreting glands D) Thick cuticle
A) Intertidal zone B) Freshwater zone C) Grassland zone D) Desert zone
A) Increased blood pressure B) Decreased heart rate C) Decreased oxygen delivery to cells D) Increased efficiency of oxygen delivery to cells
A) Blood flows from the heart to the gills and then to the rest of the body B) Blood is pumped directly to the entire body C) Blood passes through a heart with four chambers D) Blood is transported in a closed system of blood vessels
A) To store blood B) To regulate blood pressure C) To exchange oxygen and nutrients with cells D) To transport large molecules
A) To transport water and minerals B) To transport hormones and growth factors C) To transport oxygen and carbon dioxide D) To transport sugars and amino acids
A) Stems B) Roots C) Flowers D) Leaves
A) Water B) Minerals C) Sugars D) Amino acids
A) Collenchyma B) Phloem C) Xylem D) Cambium
A) The movement of oxygen from leaves to roots B) The movement of hormones from shoots to roots C) The movement of water and minerals from roots to leaves D) The movement of sugars and amino acids from leaves to roots
A) Adhesion B) Transpiration pull C) Root pressure D) Cohesion
A) Root transpiration B) Cuticular transpiration C) Lenticular transpiration D) Stomata transpiration
A) Respiration B) Photosynthesis C) Translocation D) Evaporation
A) Water availability B) Humidity C) Light D) Temperature
A) The force that repels water from the xylem B) The force that pushes water up the xylem C) The force that holds water in the xylem D) The force that pulls water up the xylem
A) Translocation experiment B) Respiration experiment C) Potometer experiment D) Photosynthesis experiment
A) mL/hr B) mL/min C) cm3/sec D) mm/sec
A) The movement of water from high to high concentration B) The movement of water from low to low concentration C) The movement of water from high to low concentration D) The movement of water from low to high concentration |