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Morphology of Plants - Leaf Lamina and Margin

Test your knowledge of plant leaf morphology, including various lamina shapes (acicular, lanceolate, cordate, obcordate, sagittate, hastate, cuneate) and margin types (entire, dentate, lobed, spiny) along with examples from different plant species.

15 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

What is the leaf with needle-shaped, long, thin and pointed lamina called?

  1. Sagittate
  2. Linear
  3. Acicular
  4. Cordate
Question 2 Multiple Choice (Single Answer)

What is the lance-shaped lamina which has a broad base and is tapered to a point called?

  1. Laciniate
  2. Linear
  3. Lanceolate
  4. Oblanceolate
Question 3 Multiple Choice (Single Answer)

A kidney-shaped lamina is a characteristic of

  1. ipomea leaves
  2. bramhi leaves
  3. tinospora leaves
  4. peepal leaves
Question 4 Multiple Choice (Single Answer)

In which kind of leaf does the stem seem to pierce the lamina?

  1. Picate
  2. Perforate
  3. Perfoliate
  4. Peltate
Question 5 Multiple Choice (Single Answer)

Which of the following types of lamina resembles the hood of a snake in appearance?

  1. Lunate
  2. Spatulate
  3. Cuneate
  4. Reniform
Question 6 Multiple Choice (Single Answer)

The leaves of which of the following have entire margin and ovate lamina?

  1. Lily
  2. Banana
  3. Banyan
  4. Bramhi
Question 7 Multiple Choice (Single Answer)

What is an inverted heart-shaped lamina called?

  1. Cuneate
  2. Cordate
  3. Obcordate
  4. Lanceolate
Question 8 Multiple Choice (Single Answer)

Which of the following types of lamina are arrow-shaped?

  1. Ovate and obovate
  2. Sagittate and hastate
  3. Obcortale and cordate
  4. Lunate and spatulate
Question 9 Multiple Choice (Single Answer)

Dentate margin is found in the leaves of

  1. bryophyllum
  2. water lily
  3. mango
  4. rose
Question 10 Multiple Choice (Single Answer)

If broad v/s narrow leaves criterion is used, then which of the following two leaves can be differentiated from one another?

  1. Spruce leaf from red cider leaf
  2. Apple leaf from maple leaf
  3. Oak leaf from cider leaf
  4. Apple leaf from oak leaf
Question 11 Multiple Choice (Single Answer)

Why are margins of some leaves wavy?

  1. To effectively drain water from the surface
  2. To help leaf surface to harden, so that less chance of losing water is there from the surface
  3. To shade or insulate the plants that grow them
  4. To provide defence from physical attacks from herbivores and other animals
Question 12 Multiple Choice (Single Answer)

Round umbrella-like lamina is the characteristic of

  1. oxalis
  2. pistia
  3. lotus
  4. daisy
Question 13 Multiple Choice (Single Answer)

Which of the following plants has spiny leaf margin?

  1. Rose
  2. Argemone
  3. Smilax
  4. Radish
Question 14 Multiple Choice (Single Answer)

Which of the following types of leaf margins does mustard have?

  1. Entire
  2. Bi-serrate
  3. Lobed
  4. Crendate
Question 15 Multiple Choice (Single Answer)

How are the leaf teeth of maple leaves?

  1. Doubly toothed
  2. Saw-toothed, single
  3. Coarsely toothed and probably difficult to distinguish from lobed
  4. Spiny serrate
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