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NEET UG Anatomy of Flowering Plants — practice questions — page 2

Explore 49 free Anatomy of Flowering Plants questions in NEET UG Biology. Open each question or exercise to read its content, reference answers and available explanation.

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Anatomy of Flowering Plants questions and exercises with answers

Showing questions 31–49 of 49.

When bulliform cells turn flaccid under water stress, what happens to the leaf?Read the answer and worked solution →The ground tissue system is divided into which three zones?Read the answer and worked solution →Xylem and phloem are examples of which kind of plant tissue?Read the answer and worked solution →What is the main role of stomata in the leaf epidermis?Read the answer and worked solution →Into how many sub-zones is the cortex of a dicot stem divided?Read the answer and worked solution →Cell division at the tips of stems and roots that lengthens them is called?Read the answer and worked solution →Secondary growth results from the activity of which two lateral meristems?Read the answer and worked solution →Which meristem produces cork cells that protect the plant surface?Read the answer and worked solution →Which dicot shows anomalous secondary growth with cambia outside the oldest phloem?Read the answer and worked solution →How does a palm trunk increase in diameter?Read the answer and worked solution →Which simple tissue has thin primary walls and cells usually alive at maturity?Read the answer and worked solution →Parenchyma cells that contain chloroplasts are called?Read the answer and worked solution →Which parenchyma with large air cavities helps aquatic plants float?Read the answer and worked solution →Collenchyma cell walls are thickened mainly with what?Read the answer and worked solution →Collenchyma thickened at the corners where cells meet is called?Read the answer and worked solution →What are the two cell types of sclerenchyma?Read the answer and worked solution →The gritty texture of pear fruit is due to which cells?Read the answer and worked solution →Soft bast fibres such as flax and jute are made mainly of what?Read the answer and worked solution →Hard fibres such as sisal are mostly found in which plant group?Read the answer and worked solution →

Worked practice questions

When bulliform cells turn flaccid under water stress, what happens to the leaf?

  1. It curls inwards
  2. It drops off the stem
  3. It spreads out flat
  4. Its stomata all open
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Correct answer: A. It curls inwards

Flaccid bulliform cells let the grass leaf roll inwards, which reduces water loss.

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The ground tissue system is divided into which three zones?

  1. Pericycle, phloem and pith
  2. Cortex, xylem and phloem
  3. Epidermis, cortex and pith
  4. Cortex, pericycle and pith
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Correct answer: D. Cortex, pericycle and pith

Cortex, pericycle and pith are the three zones that make up the bulk ground tissue.

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Xylem and phloem are examples of which kind of plant tissue?

  1. Simple permanent tissue
  2. Meristematic tissue
  3. Complex permanent tissue
  4. Epidermal tissue
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Correct answer: C. Complex permanent tissue

Xylem and phloem contain several cell types working together, so they are complex tissues.

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