In Bougainvillea thorns are the modifications of:

1. Adventitious root

2. Stem

3. Leaf

4. Stipules

Subtopic:  Aerial Stem Modification |
 74%
Level 2: 60%+
NEET - 2017
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Which of the following is not a stem modification?

1. Thorns of citrus

2. Tendrils of cucumber

3. Flattened structures of Opunita

4. Pitcher of Nepenthes

Subtopic:  Morphology of Stems | Aerial Stem Modification |
 81%
Level 1: 80%+
NEET - 2016
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Stems modified into flat green organs performing the functions of leaves are known as?
1. phyllodes
2. phylloclades
3. scales
4. cladodes
Subtopic:  Aerial Stem Modification |
 74%
Level 2: 60%+
NEET - 2016
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