Usman

Category: Learn Botany Quiz

  • A botanist who names and classifies plants works mainly in:

    {“lesson_id”:0,”category_id”:59,”topic”:”Introduction To Botany”,”choices”:[“Geology”,”Plant taxonomy”,”Meteorology”,”Astronomy”],”correct”:1,”type”:”mcq”,”explain”:”Taxonomy (systematics) names, describes and arranges plants into groups.”}

  • After fertilisation the ovary of a flower typically becomes a:

    {“lesson_id”:0,”category_id”:91,”topic”:”01. Flowering Plants”,”choices”:[“Anther”,”Fruit”,”Root hair”,”Leaf”],”correct”:1,”type”:”mcq”,”explain”:”The ovary wall develops into the fruit that surrounds the seeds.”}

  • The leafy fern plant you usually see is the:

    {“lesson_id”:0,”category_id”:102,”topic”:”03. Ferns”,”choices”:[“Gametophyte”,”Sporophyte”,”Pollen grain”,”Lichen”],”correct”:1,”type”:”mcq”,”explain”:”The independent sporophyte bears fronds; the gametophyte is a small prothallus.”}

  • Green algae share with land plants:

    {“lesson_id”:0,”category_id”:108,”topic”:”05. Algae”,”choices”:[“Chitin cell walls”,”Haemoglobin”,”Chlorophyll a and b and starch storage”,”Feathers”],”correct”:2,”type”:”mcq”,”explain”:”Charophytes are the closest algal relatives of land plants.”}

  • Fertilisation in flowering plants occurs when:

    {“lesson_id”:0,”category_id”:64,”topic”:”Life Cycle Of A Flowering Plant”,”choices”:[“A petal falls”,”A sperm nucleus fuses with the egg in the ovule”,”A leaf photosynthesises”,”A seed is eaten”],”correct”:1,”type”:”mcq”,”explain”:”The pollen tube delivers sperm to the embryo sac.”}

  • Secondary growth (girth) in woody dicots is produced by:

    {“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.”}

  • Cotton fibre used in cloth is:

    {“lesson_id”:0,”category_id”:77,”topic”:”Plants And People”,”choices”:[“Algal agar”,”Fungal hyphae”,”Wood tracheids”,”Epidermal hairs of the cotton seed”],”correct”:3,”type”:”mcq”,”explain”:”Gossypium seed trichomes are almost pure cellulose.”}

  • Nodes on a stem are the points where:

    {“lesson_id”:5818,”category_id”:0,”topic”:””,”choices”:[“Pollen is released”,”Root hairs arise”,”Leaves are attached”,”Xylem becomes phloem”],”correct”:2,”type”:”mcq”,”explain”:”A node is the region of the stem that bears a leaf (and usually a bud).”}

  • In C3 plants the first stable product of CO₂ fixation is:

    {“lesson_id”:5734,”category_id”:0,”topic”:””,”choices”:[“3-phosphoglycerate (3-PGA)”,”Oxaloacetate (4C)”,”Pyruvate only”,”Glucose-1-phosphate”],”correct”:0,”type”:”mcq”,”explain”:”The 3-carbon acid 3-PGA is the first stable product of the C3 pathway.”}

  • Plant physiology is mainly concerned with:

    {“lesson_id”:0,”category_id”:59,”topic”:”Introduction To Botany”,”choices”:[“Soil colour alone”,”Fossil pollen only”,”Map-making”,”How plants function (photosynthesis, transport, hormones)”],”correct”:3,”type”:”mcq”,”explain”:”Physiology studies life processes such as photosynthesis, respiration and growth.”}