Neet Solved Paper 2015 Question 10
Question: Keel is the characteristic feature of flower of
Options:
A) tulip
B) Indigofera
C) Aloe
D) tomato
Show Answer
Answer:
Correct Answer: B
Solution:
- Keel is petal is vexillary aestivation, which is a characteristic of family-Fabaceae, i.e Indigofera tomato belongs to family-Solanaceae, tulip and while aloe to Liliaceae. Papilionaceae (e.g. Indigofera, pea) is sub-family of Fabaceae, which has bilateral symmetry with, corolla consist of 5 petals. It follows vexillary aestivation. A single upper posterior petal is known as banner. Two lateral compressed petals called wings and a pair of anterior small fused petal forms keel. Keel has concave sides which make them fused at bases, Hence, keel is the characteristic feature of flower of family-Papilionaceae, e.g. Indigofera.
