Usman

Category: Learn Botany Quiz

  • ATP and NADPH produced in the light reaction are used to:

    {“lesson_id”:5734,”category_id”:0,”topic”:””,”choices”:[“Build xylem”,”Split water again”,”Fix CO₂ into carbohydrate”,”Open stomata at night only”],”correct”:2,”type”:”mcq”,”explain”:”They power the Calvin cycle reduction of carbon.”}

  • Botany is the scientific study of:

    {“lesson_id”:0,”category_id”:59,”topic”:”Introduction To Botany”,”choices”:[“Animals only”,”Plants (and related photosynthetic organisms)”,”Weather systems”,”Rocks and minerals”],”correct”:1,”type”:”mcq”,”explain”:”Botany (plant science) deals with the structure, physiology, evolution and ecology of plants.”}

  • Flowering plants belong to the group:

    {“lesson_id”:0,”category_id”:91,”topic”:”01. Flowering Plants”,”choices”:[“Bryophytes”,”Algae”,”Gymnosperms only”,”Angiosperms”],”correct”:3,”type”:”mcq”,”explain”:”Angiosperms produce flowers and seeds enclosed in fruits.”}

  • Ferns are vascular plants that reproduce mainly by:

    {“lesson_id”:0,”category_id”:102,”topic”:”03. Ferns”,”choices”:[“Milk”,”Seeds inside fruits”,”Spores”,”Budding yeast”],”correct”:2,”type”:”mcq”,”explain”:”Sori on fronds release spores; ferns do not make seeds.”}

  • Algae are mainly:

    {“lesson_id”:0,”category_id”:108,”topic”:”05. Algae”,”choices”:[“Animals with bones”,”Viruses”,”Aquatic photosynthetic organisms, often without true roots, stems or leaves”,”Woody land trees”],”correct”:2,”type”:”mcq”,”explain”:”They range from microscopic phytoplankton to large seaweeds.”}

  • Pollination is the transfer of pollen to the:

    {“lesson_id”:0,”category_id”:64,”topic”:”Life Cycle Of A Flowering Plant”,”choices”:[“Leaf palisade”,”Stigma”,”Root cap”,”Xylem vessel”],”correct”:1,”type”:”mcq”,”explain”:”Pollen must land on a receptive stigma before a pollen tube can grow.”}

  • Primary growth (length) occurs at:

    {“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.”}

  • The world’s staple cereals such as rice, wheat and maize are:

    {“lesson_id”:0,”category_id”:77,”topic”:”Plants And People”,”choices”:[“Gymnosperm cones”,”Brown algae”,”Angiosperm grasses (Poaceae)”,”Mosses”],”correct”:2,”type”:”mcq”,”explain”:”Cereal grains feed most of humanity.”}

  • True or false: Root hairs greatly increase the surface area for absorption.

    {“lesson_id”:5813,”category_id”:0,”topic”:””,”choices”:[“True”,”False”],”correct”:0,”type”:”true_false”,”explain”:”A dense covering of root hairs multiplies contact with soil water.”}

  • RuBisCO catalyses:

    {“lesson_id”:5734,”category_id”:0,”topic”:””,”choices”:[“Carboxylation of RuBP”,”Photolysis of water”,”Nitrogen fixation”,”Glycolysis”],”correct”:0,”type”:”mcq”,”explain”:”RuBisCO adds CO₂ to ribulose bisphosphate (RuBP), the key step of C3 fixation.”}