Usman

Category: Learn Botany Quiz

  • Insect-pollinated flowers are often:

    {“lesson_id”:0,”category_id”:64,”topic”:”Life Cycle Of A Flowering Plant”,”choices”:[“Dull green with huge hanging catkins only”,”Colourful or scented with nectar”,”Completely underground”,”Without pollen”],”correct”:1,”type”:”mcq”,”explain”:”Animals are attracted by colour, scent and rewards.”}

  • Gibberellins often promote:

    {“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).”}

  • Deforestation matters because forests:

    {“lesson_id”:0,”category_id”:77,”topic”:”Plants And People”,”choices”:[“Store carbon, protect soils and harbour biodiversity”,”Have no species”,”Stop all rainfall forever if left standing”,”Produce only methane as wood”],”correct”:0,”type”:”mcq”,”explain”:”Clearing releases carbon and destroys habitat.”}

  • A rhizome is:

    {“lesson_id”:5818,”category_id”:0,”topic”:””,”choices”:[“A tap root”,”A leaf tendril”,”An underground stem”,”A fruit”],”correct”:2,”type”:”mcq”,”explain”:”Ginger and banana have horizontal underground stems called rhizomes.”}

  • Xylem mainly transports:

    {“lesson_id”:5660,”category_id”:0,”topic”:””,”choices”:[“Oxygen into soil”,”Water and minerals upward”,”Pollen”,”Sucrose to roots only”],”correct”:1,”type”:”mcq”,”explain”:”Xylem conducts the transpiration stream of water and dissolved minerals from roots to shoot.”}

  • Ethnobotany focuses on:

    {“lesson_id”:0,”category_id”:59,”topic”:”Introduction To Botany”,”choices”:[“Plant use by people and cultures”,”Only satellite weather”,”Ocean tides”,”Insect wing veins”],”correct”:0,”type”:”mcq”,”explain”:”Ethnobotany records traditional and modern human uses of plants.”}

  • The female part of a flower is the:

    {“lesson_id”:0,”category_id”:91,”topic”:”01. Flowering Plants”,”choices”:[“Receptacle only”,”Carpel (pistil)”,”Stamen”,”Petal only”],”correct”:1,”type”:”mcq”,”explain”:”Carpels include stigma, style and ovary.”}

  • Unlike mosses, ferns have:

    {“lesson_id”:0,”category_id”:102,”topic”:”03. Ferns”,”choices”:[“No chlorophyll”,”No embryos”,”True xylem and phloem”,”Chitin walls”],”correct”:2,”type”:”mcq”,”explain”:”Vascular tissue lets fern sporophytes grow larger than mosses.”}

  • Diatoms have walls of:

    {“lesson_id”:0,”category_id”:108,”topic”:”05. Algae”,”choices”:[“Cellulose wood”,”Bone”,”Keratin”,”Silica (glass-like frustules)”],”correct”:3,”type”:”mcq”,”explain”:”Silica frustules make diatoms important in sediments and as abrasives historically.”}

  • Wind-pollinated flowers typically produce:

    {“lesson_id”:0,”category_id”:64,”topic”:”Life Cycle Of A Flowering Plant”,”choices”:[“Heavy sticky pollen in small amounts”,”Only fruits before flowers”,”Light pollen in large amounts and exposed stamens”,”No pollen”],”correct”:2,”type”:”mcq”,”explain”:”Grasses and many trees rely on copious airborne pollen.”}