1:   Lenticels are pores on the surface of --------------
Options:
  1. leaves
  2. roots
  3. bark of stem
  4. none of these

Answer: Option 3

Explanation:

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2:   Cork cambium is also known as ---------
Options:
  1. phellum
  2. phelloderm
  3. phellogen
  4. none of these

Answer: Option 3

Explanation:

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3:   Secondary growth is not found in ----------- plants.
Options:
  1. monocot
  2. dicot
  3. xerophytes
  4. all the above

Answer: Option 1

Explanation:

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4:   Name the balloon like structures which block the passage of xylem vessels
Options:
  1. hydothade
  2. tyloses
  3. stomata
  4. none of these

Answer: Option 2

Explanation:

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5:   What are the two types of parenchyma found in dorsiventral leaves
Options:
  1. palisade and spongy
  2. chlorenchyma and spongy
  3. prosenchyma and palisade
  4. none of these

Answer: Option 1

Explanation:

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6:   Name a monocot plant is which secondary growth takes place
Options:
  1. maize
  2. Dracaena
  3. both the above
  4. none of these

Answer: Option 2

Explanation:

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7:   What term is used collectively for phellogen, phellem and phelloderm
Options:
  1. endoderm
  2. periderm
  3. mesoderm
  4. none of these

Answer: Option 2

Explanation:

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8:   Lateral branches in roots develop from ----------------
Options:
  1. endodermis
  2. cortex
  3. internal layer of pericycle
  4. none of these

Answer: Option 3

Explanation:

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9:   In dicot stem, vascular bundles are --------
Options:
  1. closed
  2. open
  3. both the above
  4. none of these

Answer: Option 2

Explanation:

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10:   In monocot stem, vascular bundles are --------
Options:
  1. closed
  2. open
  3. both the above
  4. none of these

Answer: Option 1

Explanation:

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