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CBSE Class 11 (Science) Morphology and Anatomy of Flowering Plants — practice questions — page 5

Explore 195 free Morphology and Anatomy of Flowering Plants questions in CBSE Class 11 (Science) Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Morphology and Anatomy of Flowering Plants questions and exercises with answers

Showing questions 121–150 of 195.

Which leaf tissue has loosely arranged cells with large air cavities?Read the answer and worked solution →What surrounds the vascular bundles of a dicot leaf?Read the answer and worked solution →Where are stomata found in an isobilateral leaf?Read the answer and worked solution →What is true of the mesophyll in a monocot isobilateral leaf?Read the answer and worked solution →Which grass leaf cells make the leaf curl inwards when flaccid?Read the answer and worked solution →Meristematic cells show which feature of their cell walls?Read the answer and worked solution →Which plastids do meristematic cells contain instead of chloroplasts?Read the answer and worked solution →Which meristem type is found at the tips of roots and shoots?Read the answer and worked solution →Which meristems cause growth in girth of a woody stem?Read the answer and worked solution →Where do intercalary meristems occur in grasses?Read the answer and worked solution →Which primary meristem develops into the epidermis?Read the answer and worked solution →Which primary meristem produces primary xylem and phloem?Read the answer and worked solution →What protects the root apical meristem at its apex?Read the answer and worked solution →In secondary xylem, which tissue forms woody tissue from vascular cambium?Read the answer and worked solution →Which theory, proposed by Dixon and Joly in 1894, explains upward water flow in xylem?Read the answer and worked solution →What shape of covering protects the tender apex of a growing root?Read the answer and worked solution →From which part of the embryo of a germinating seed does the stem develop?Read the answer and worked solution →Which are the three main parts of a typical leaf?Read the answer and worked solution →What is the swollen leaf base of some leguminous plants called?Read the answer and worked solution →What is the prominent middle vein of a leaf lamina called?Read the answer and worked solution →Besides carrying materials, what do veins give a leaf blade?Read the answer and worked solution →What is the arrangement of veins and veinlets in a lamina called?Read the answer and worked solution →Which venation do most monocotyledons show?Read the answer and worked solution →When veinlets form a network in the lamina, the venation is termed what?Read the answer and worked solution →A leaf whose lamina incisions reach the midrib, making leaflets, is called what?Read the answer and worked solution →In a compound leaf, where is a bud absent?Read the answer and worked solution →In a pinnately compound leaf, the leaflets sit on which axis?Read the answer and worked solution →What is the pattern of arrangement of leaves on a stem called?Read the answer and worked solution →Which plant shows alternate phyllotaxy with one leaf at each node?Read the answer and worked solution →Which pair of plants shows opposite phyllotaxy?Read the answer and worked solution →

Worked practice questions

Which leaf tissue has loosely arranged cells with large air cavities?

  1. Palisade parenchyma
  2. Bundle sheath
  3. Spongy parenchyma
  4. Adaxial epidermis
Show answer and solution

Correct answer: C. Spongy parenchyma

Spongy parenchyma sits below the palisade cells and has numerous air spaces between its oval or round cells.

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What surrounds the vascular bundles of a dicot leaf?

  1. Thin collenchyma
  2. Thick bundle sheath
  3. Palisade cells
  4. Spongy tissue
Show answer and solution

Correct answer: B. Thick bundle sheath

Dicot leaf veins have bundles ringed by a layer of thick walled bundle sheath cells.

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Where are stomata found in an isobilateral leaf?

  1. Lower surface only
  2. Upper surface only
  3. Both the surfaces
  4. Midrib region only
Show answer and solution

Correct answer: C. Both the surfaces

Isobilateral (monocot) leaves have stomata on both epidermal surfaces.

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