Tag: category-75

{“lesson_id”:0,”category_id”:75,”topic”:”Plant Growth And Development”,”choices”:[“Only fruit skin”,”Apical meristems of shoot and root”,”Only dead heartwood”,”Only mature fibres”],”correct”:1,”type”:”mcq”,”explain”:”Apical meristems add cells at the tips.”}

{“lesson_id”:0,”category_id”:75,”topic”:”Plant Growth And Development”,”choices”:[“Only the leaf epidermis”,”Pollen tubes”,”Vascular cambium (and cork cambium)”,”Root hairs”],”correct”:2,”type”:”mcq”,”explain”:”Cambium adds secondary xylem (wood) and secondary phloem.”}

{“lesson_id”:0,”category_id”:75,”topic”:”Plant Growth And Development”,”choices”:[“Cell elongation and phototropism”,”Forming silica walls”,”Closing the Calvin cycle”,”Fixing nitrogen in air”],”correct”:0,”type”:”mcq”,”explain”:”Unequal auxin distribution bends shoots toward light.”}

{“lesson_id”:0,”category_id”:75,”topic”:”Plant Growth And Development”,”choices”:[“Toward the centre of the Earth only as a fruit”,”Of fungi toward sugar only”,”Toward or away from light”,”Only at night in roots as flowers”],”correct”:2,”type”:”mcq”,”explain”:”Shoots are usually positively phototropic.”}

{“lesson_id”:0,”category_id”:75,”topic”:”Plant Growth And Development”,”choices”:[“Colour only”,”Magnetic north in petals”,”Sound”,”Gravity”],”correct”:3,”type”:”mcq”,”explain”:”Roots grow down (positive); shoots grow up (negative gravitropism).”}

{“lesson_id”:0,”category_id”:75,”topic”:”Plant Growth And Development”,”choices”:[“Loss of chlorophyll as the only function”,”Only leaf fall”,”Wilting of xylem”,”Stem elongation and seed germination”],”correct”:3,”type”:”mcq”,”explain”:”GA can break dormancy and elongate internodes (bolting).”}

{“lesson_id”:0,”category_id”:75,”topic”:”Plant Growth And Development”,”choices”:[“Starch synthesis in amyloplasts only”,”Fruit ripening and leaf abscission”,”Opening of pine cones by fire only”,”Root cap slime only”],”correct”:1,”type”:”mcq”,”explain”:”Climacteric fruits ripen faster in ethylene.”}

{“lesson_id”:0,”category_id”:75,”topic”:”Plant Growth And Development”,”choices”:[“True”,”False”],”correct”:0,”type”:”true_false”,”explain”:”Apical, lateral and intercalary meristems keep plants growing.”}