Usman

Category: Learn Botany Quiz

  • The oxygen released in photosynthesis comes mainly from:

    {“lesson_id”:5734,”category_id”:0,”topic”:””,”choices”:[“ATP”,”Glucose”,”Carbon dioxide”,”Water”],”correct”:3,”type”:”mcq”,”explain”:”Splitting of water (photolysis) in the light reaction releases O₂.”}

  • The cohesion–tension mechanism explains flow in:

    {“lesson_id”:5660,”category_id”:0,”topic”:””,”choices”:[“Epidermis”,”Xylem”,”Phloem”,”Cambium”],”correct”:1,”type”:”mcq”,”explain”:”Transpiration pull, cohesion of water, and adhesion to walls drive ascent of sap.”}

  • The two multicellular phases in a typical plant life cycle are:

    {“lesson_id”:0,”category_id”:60,”topic”:”Introduction To Plant”,”choices”:[“Larva and pupa”,”Egg and sperm only”,”Sporophyte and gametophyte”,”Polyp and medusa”],”correct”:2,”type”:”mcq”,”explain”:”Plants show alternation of generations: a diploid sporophyte and a haploid gametophyte.”}

  • Cycads and Ginkgo are:

    {“lesson_id”:0,”category_id”:94,”topic”:”02. Conifers (Gymnosperms)”,”choices”:[“Angiosperm grasses”,”Fern gametophytes”,”Other living gymnosperm lineages besides conifers”,”Lichens”],”correct”:2,”type”:”mcq”,”explain”:”Gymnosperms include conifers, cycads, Ginkgo and gnetophytes.”}

  • The moss capsule produces:

    {“lesson_id”:0,”category_id”:107,”topic”:”04. Mosses And Liverworts”,”choices”:[“Tubers”,”Pollen tubes”,”Seeds”,”Spores”],”correct”:3,”type”:”mcq”,”explain”:”Meiosis in the capsule yields haploid spores.”}

  • Lichens are associations of:

    {“lesson_id”:0,”category_id”:113,”topic”:”06. Fungi”,”choices”:[“Moss capsules only”,”Two animals”,”A fungus with a photosynthetic partner (alga or cyanobacterium)”,”Only gymnosperm wood”],”correct”:2,”type”:”mcq”,”explain”:”The fungus provides structure; the photobiont provides sugar.”}

  • Sectioning a stem for the microscope usually requires:

    {“lesson_id”:0,”category_id”:68,”topic”:”Methods In Botany”,”choices”:[“Only a telescope”,”Burning the wood to ash first”,”Freezing the whole tree intact”,”Thin slices (often with a microtome) and staining”],”correct”:3,”type”:”mcq”,”explain”:”Thin stained sections show cell types clearly.”}

  • Seeds develop from:

    {“lesson_id”:0,”category_id”:76,”topic”:”Plant Parts”,”choices”:[“Ovules”,”Stipules”,”Petals”,”Lenticels”],”correct”:0,”type”:”mcq”,”explain”:”After fertilisation the ovule becomes the seed.”}

  • Plant pathology is the study of:

    {“lesson_id”:0,”category_id”:145,”topic”:”Areas Of Study”,”choices”:[“Plant diseases (often fungi, bacteria, viruses)”,”Only seed catalogues”,”Only garden design colour”,”Healthy pollination only”],”correct”:0,”type”:”mcq”,”explain”:”Blights, rusts and mosaics are classic plant-pathogen problems.”}

  • Fibrous roots are typical of:

    {“lesson_id”:5813,”category_id”:0,”topic”:””,”choices”:[“Liverworts”,”Cacti tap roots”,”Monocots such as grasses”,”Most gymnosperms only”],”correct”:2,”type”:”mcq”,”explain”:”In many monocots the primary root is short-lived and replaced by a bunch of adventitious fibrous roots.”}