[{"id":178418,"question":"Why is there no glucose present in the filterate in the distal tubule of a nephron?","choices":[{"text":"Its molecules are two large to pass across the base ment membrane","value":"A"},{"text":"It is removed by osmosis from the tubule","value":"B"},{"text":"It is positively absorp by the cells lining the descending loop of henie","value":"C"},{"text":"He is actively absorb by hte proximal tubule cells","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":178411,"question":"Kidney health is described in terms of :","choices":[{"text":"The number of kidney stones","value":"A"},{"text":"Rate of filteration","value":"B"},{"text":"Water retension","value":"C"},{"text":"Blood clot","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":178408,"question":"The process during which potassium and hydrogen ions and some toxic substances are put into urine is called:","choices":[{"text":"Tubular secretion","value":"A"},{"text":"Reabsorption","value":"B"},{"text":"Filtration","value":"C"},{"text":"Countercurrent multiplication","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":178405,"question":"Which of the following is the last structure that urine passes through duration its excretion from the body?","choices":[{"text":"Distal Tubule","value":"A"},{"text":"Urethra","value":"B"},{"text":"Urinary bladder","value":"C"},{"text":"Ureter","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":178403,"question":"The most toxic substance routinely found in the blood are metabolities of what type of molecule?","choices":[{"text":"Proteins","value":"A"},{"text":"Carbohydrates","value":"B"},{"text":"Nucleic acids","value":"C"},{"text":"Fats","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":178401,"question":"Which of the following NOT dispose off a type of waste directly to the environment?","choices":[{"text":"Digestive system","value":"A"},{"text":"Respiratory system","value":"B"},{"text":"Circulatory system","value":"C"},{"text":"Urinary system","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":178399,"question":"The process that normally exerts the greatest control over the water balance of an individual is:","choices":[{"text":"Sweating","value":"A"},{"text":"Kidney function","value":"B"},{"text":"Evaporation through the skin","value":"C"},{"text":"Respiratory loss","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":178398,"question":"Which is the most important mechanism for water loss from the body?","choices":[{"text":"Excretiong in urine","value":"A"},{"text":"Sneezing","value":"B"},{"text":"Sweating","value":"C"},{"text":"Eleminatin in feces","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":178395,"question":"Shifts in water-solute balance are managed primarily by:","choices":[{"text":"Respratory system","value":"A"},{"text":"The urinary system","value":"B"},{"text":"Sweating","value":"C"},{"text":"The circulatory system","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":2764,"question":"At the time of independence in 1947 the population of pakistan was","choices":[{"text":"10 m","value":"A"},{"text":"20 m","value":"B"},{"text":"25.7 m","value":"C"},{"text":"32.5 m","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":2763,"question":"The decline in thickness of the ozone layer is caused by increasing level of","choices":[{"text":"Chlorofluorocarbon","value":"A"},{"text":"Nitrogen","value":"B"},{"text":"Chlorine","value":"C"},{"text":"Carbon dioxide","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":2761,"question":"Rain that falls on high areas such as mountains possesses large amount of garvitational","choices":[{"text":"Heat energy","value":"A"},{"text":"Kinetic energy","value":"B"},{"text":"Electrical energy","value":"C"},{"text":"Potential energy","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":2759,"question":"Oxone molecule is made up by binding of three atoms of","choices":[{"text":"Nitrogen","value":"A"},{"text":"Oxygen","value":"B"},{"text":"Hydrogen","value":"C"},{"text":"Carbon","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":2758,"question":"Only 30% of the earth is dry land the remainder being covered with","choices":[{"text":"Water","value":"A"},{"text":"Air","value":"B"},{"text":"Trees","value":"C"},{"text":"Grass","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":2757,"question":"Modern man is called","choices":[{"text":"Homo erectus","value":"A"},{"text":"Homo habilis","value":"B"},{"text":"Homo sapiens","value":"C"},{"text":"Homo neanderthalensis","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":2756,"question":"In oceans especially in tropical regions temperature of surface water is about","choices":[{"text":"10<sup>o</sup>C","value":"A"},{"text":"15<sup>o</sup>C","value":"B"},{"text":"25<sup>o</sup>C","value":"C"},{"text":"35<sup>o</sup>C","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":2754,"question":"A natural process in which surface soil is removed by the action of water or wind is","choices":[{"text":"Corrosion","value":"A"},{"text":"Attrition","value":"B"},{"text":"Erosion","value":"C"},{"text":"Weathering","value":"D"},{"value":"E"}],"correctAnswer":3}]