[{"id":268958,"question":"In which prt of the chloroplast does the light-dependent reaction occur.","choices":[{"text":"Stroma","value":"A"},{"text":"Outer membrane","value":"B"},{"text":"Thylakoid membrane","value":"C"},{"text":"Matrix","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":268957,"question":"Wheb yeast ferments glucose, the products are.","choices":[{"text":"Alcohol and CO2","value":"A"},{"text":"Alcohol and water","value":"B"},{"text":"Lactic acid","value":"C"},{"text":"CO2 and H2O","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":268956,"question":"Where does the reaction of photosynthesis take place.","choices":[{"text":"Ribosomes","value":"A"},{"text":"Mitochondria","value":"B"},{"text":"Cytoplasm","value":"C"},{"text":"Chloroplast","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":268955,"question":"Which type of chlorophyII is most common in plants.","choices":[{"text":"ChlorophyII c","value":"A"},{"text":"ChlorophyII b","value":"B"},{"text":"ChlorophyII a","value":"C"},{"text":"ChlorophyII d","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":268954,"question":"Light reactions of photosynthesis occur in.","choices":[{"text":"Plasmam memerane of cell","value":"A"},{"text":"Thylakoids of chloroplasts","value":"B"},{"text":"Cytoplasm of cell","value":"C"},{"text":"Stroma of chloroplasts","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":268953,"question":"When we get energy from ATP, which bonds are broken.","choices":[{"text":"P-P bonds","value":"A"},{"text":"C-N bonds","value":"B"},{"text":"C-H bonds","value":"C"},{"text":"C-O bonds","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":268952,"question":"Increase or decrease in temperture beyond the optimum temperature will","choices":[{"text":"Increase the rate of reaction","value":"A"},{"text":"Not affect the rate of reaction","value":"B"},{"text":"Denature the enzyme","value":"C"},{"text":"Decrease the rate of reactions","value":"D"},{"value":"E"}],"correctAnswer":4},{"id":268951,"question":"Pepsin enzyme works in.","choices":[{"text":"Large intestine","value":"A"},{"text":"Small intstine","value":"B"},{"text":"Stomach","value":"C"},{"text":"Heart","value":"D"},{"value":"E"}],"correctAnswer":3},{"id":268950,"question":"Lock and key hypothesis of enzyme action supports that","choices":[{"text":"Active sites are rigid","value":"A"},{"text":"Active sites are flexible","value":"B"},{"text":"Active site efficiency increases","value":"C"},{"text":"Active site can change its shape","value":"D"},{"value":"E"}],"correctAnswer":1},{"id":268949,"question":"Enzyme pepsin in the stomach has an optimum pH of about","choices":[{"text":"3","value":"A"},{"text":"2","value":"B"},{"text":"4","value":"C"},{"text":"5","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":268948,"question":"Changes in pH can alter the active site by affecting the","choices":[{"text":"Shape of substrate","value":"A"},{"text":"Ionization of amino acids","value":"B"},{"text":"Ionization of cofactor","value":"C"},{"text":"Ionizaation of co enzyme","value":"D"},{"value":"E"}],"correctAnswer":2},{"id":268947,"question":"Enzymes convert the substrate into different molecules called.","choices":[{"text":"Product","value":"A"},{"text":"Reactants","value":"B"},{"text":"Inhibitors","value":"C"},{"text":"Biomolecules","value":"D"},{"value":"E"}],"correctAnswer":1}]