CBSE Class 11 (Science) Anatomy of Flowering Plants — practice questions
77 free MCQs with worked solutions. Tap any question for the answer + explanation, or practice them all in the app.
Practice CBSE Class 11 (Science) Anatomy of Flowering Plants in the app →Apical meristems are responsible for which type of plant growth?Sclerenchyma cells are characterised by:Vascular bundles in a dicot stem are described as:A DORSIVENTRAL leaf (typical dicot) is characterised by:Secondary growth in plants is brought about primarily by:Each ANNUAL RING in a tree corresponds to:The HEARTWOOD of a tree is:How many tissue systems make up the body of a flowering plant?How many cell layers thick is the epidermis usually?The epidermis is often covered on the outside by a waxy thick layer called what?Which two processes do stomata regulate?What shape are the two guard cells that enclose a stomatal pore?In a guard cell, which wall is highly thickened?Guard cells differ from ordinary epidermal cells in possessing what?Epidermal cells around the guard cells that differ in shape and size are known as what?The ground tissue is made up of all tissues except which two?In leaves, the thin walled chloroplast containing ground tissue is called what?The vascular system is built from which two complex tissues?Vascular bundles that contain cambium and can form secondary tissues are described as what?Monocot vascular bundles have no cambium, so they are described as what?When xylem and phloem lie alternately along different radii, as in roots, the arrangement is of which type?In a conjoint vascular bundle, where is the phloem usually placed relative to the xylem?What is the outermost layer of a dicotyledonous root called?Casparian strips in the walls of endodermal cells carry a deposition of which material?Which layer of the root initiates lateral roots and the vascular cambium?How many xylem and phloem patches does a dicot root usually have?How many xylem bundles does a monocot root usually have?Which tissue system forms the outermost covering of the plant body?What is the waxy layer on the outside of the epidermis called?In which plant organ is the cuticle usually absent?Each stoma is bordered by two cells that control its opening. What are they called?What shape do the guard cells of grasses have?The stomatal aperture, guard cells and subsidiary cells together form what?What are root hairs in terms of cell structure?What do epidermal hairs on the stem of a plant get called?Which tissue system includes everything except epidermis and vascular bundles?What is the ground tissue of a leaf, with chloroplast-containing cells, called?Which two complex tissues make up vascular bundles?Vascular bundles with cambium between xylem and phloem are called what?Why are monocot vascular bundles called closed?In which vascular bundle type do xylem and phloem lie on alternate radii?Which bundle type is common in stems and leaves, with xylem and phloem on one radius?Which water-impermeable material forms Casparian strips on endodermal walls?Lateral roots in a dicot root start from which layer?Parenchyma lying between xylem and phloem in a root is called what?All tissues inside the endodermis, including pericycle and pith, form what?A monocot root usually has how many xylem bundles?How does the pith of a monocot root compare with that of a dicot root?Do monocot roots undergo secondary growth?Which cortical zone of a young dicot stem has collenchyma for strength?Which feature gives the dicot stem endodermis the name starch sheath?The pericycle of a dicot stem is seen as semi-lunar patches of which tissue?What are radially placed parenchyma layers between vascular bundles called?Which arrangement of vascular bundles is characteristic of a dicot stem?Which describes each vascular bundle of a dicot stem?What is the hypodermis of a monocot stem made of?How are the vascular bundles arranged in a monocot stem?In a monocot stem, which bundles are generally smaller?The upper surface of a leaf is known as the what?Which surface of a dicot leaf generally bears more stomata?What is the tissue between upper and lower leaf epidermis called?Which dicot leaf cells are elongated and set vertically beneath the upper epidermis?Which leaf tissue has loosely arranged cells with large air cavities?What surrounds the vascular bundles of a dicot leaf?Where are stomata found in an isobilateral leaf?What is true of the mesophyll in a monocot isobilateral leaf?Which grass leaf cells make the leaf curl inwards when flaccid?Meristematic cells show which feature of their cell walls?Which plastids do meristematic cells contain instead of chloroplasts?Which meristem type is found at the tips of roots and shoots?Which meristems cause growth in girth of a woody stem?Where do intercalary meristems occur in grasses?Which primary meristem develops into the epidermis?Which primary meristem produces primary xylem and phloem?What protects the root apical meristem at its apex?In secondary xylem, which tissue forms woody tissue from vascular cambium?Which theory, proposed by Dixon and Joly in 1894, explains upward water flow in xylem?