Identify the correct set of statements:

(a)	The leaflets are modified into pointed hard thorns in Citrus and Bougainvillea.
(b)	Axillary buds form slender and spirally coiled tendrils in cucumber and pumpkin.
(c)	Stem is flattened and fleshy in  Opuntia and modified to perform the function of leaves.
(d)	Rhizophora shows vertically upward growing roots that help to get oxygen for respiration.
(e)	Subaerially growing stems in grasses and strawberry help in vegetative propagation.

Choose the correct answer from the options given below:
1. (a), (b), (d), and (e) only
2. (b), (c) only
3. (a), (d) only
4. (b), (c), (d) and (e) only

Which one of the following plants shows vexillary aestivation and diadelphous stamens?
1. Solanum nigrum
2. Colchicum autumnale
3. Pisum sativum
4. Allium cepa

Identify the correct statements related to the androecium in the flower.

Choose the correct answer from the options given below: 
1. (a), (c), (d) and (e) only 
2. (a) , (b), (c) and (e) only 
3. (a) , (b) and (c) only 
4. (b) , (c) and (d) only 

Choose the mismatched pair of leaf character with its example: 
1. Palmately compound - Alstonia 
2. Alternate Phyllotaxy  - China-rose 
3. Leaf tendril - Pea 
4. Opposite phyllotaxy - Calotropis 

Which of the following plants possesses the placentation of ovules borne on central axis with no septa? 
1. Lemon 
2. Pea 
3. China-rose 
4. Primrose