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B.Sc Microbiology Morphology of Flowering Plants — practice questions

Explore 9 free Morphology of Flowering Plants questions in B.Sc Microbiology Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Morphology of Flowering Plants questions and exercises with answers

Showing questions 1–9 of 9.

In MONOCOT plants, the primary root is short-lived and is replaced by:Read the answer and worked solution →The arrangement of leaves on the stem (alternate/opposite/whorled) is called:Read the answer and worked solution →Reticulate venation is generally characteristic of:Read the answer and worked solution →In a flower described as PENTAMEROUS, the number of floral parts in each whorl is in multiples of:Read the answer and worked solution →The functions of a ROOT system include all of the following EXCEPT:Read the answer and worked solution →NEET · Biology · Root Modifications ↔ ExampleRead the answer and worked solution →Sort calyx from corollaRead the answer and worked solution →Match placentation to its planRead the answer and worked solution →Sort the seed parts by seed typeRead the answer and worked solution →

Worked practice questions

In MONOCOT plants, the primary root is short-lived and is replaced by:

  1. Pneumatophores
  2. Adventitious roots only
  3. Tap root system
  4. Fibrous root system (arising from the base of the stem; e.g. wheat)
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Correct answer: D. Fibrous root system (arising from the base of the stem; e.g. wheat)

**Monocots have a fibrous root system:** many roots of similar size arising from the base of the stem after the primary root dies early. Wheat is a classic example. Dicots (e.g. mustard) have a tap root system.

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The arrangement of leaves on the stem (alternate/opposite/whorled) is called:

  1. Vernation
  2. Aestivation
  3. Phyllotaxy
  4. Venation
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Correct answer: C. Phyllotaxy

Phyllotaxy = leaf arrangement on stem/branch. **Three types:** alternate (china rose, mustard), opposite (Calotropis, guava), whorled (Alstonia, more than two leaves per node). Venation is vein arrangement aestivation is petal/sepal arrangement in bud.

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Reticulate venation is generally characteristic of:

  1. Dicots (network of veins; in monocots veins run parallel)
  2. Pteridophytes
  3. Monocots
  4. Gymnosperms
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Correct answer: A. Dicots (network of veins; in monocots veins run parallel)

Dicotyledons typically have reticulate venation (network pattern). Monocotyledons typically have parallel venation (veins running parallel along the leaf). This is one of the classic dicot-vs-monocot distinctions.

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