Families: Malvaceae, Cruciferae, Leguminosae, Compositae, Gramineae
- Family Fabaceae differs from Solanaceae and Liliaceae. With respect to the stamens, pick out the characteristics specific to family Fabaceae but not found in Solanaceae or Liliaceae. Answer: 2. Diadelphous and Dithecous anthers Key idea: Fabaceae has diadelphous stamens (9 + 1) with dithecous anthers. Solanaceae and Lilia... 1
- Which one of the following plants shows vexillary aestivation and diadelphous stamens ? Answer: 3. Pisum sativum Vexillary (papilionaceous) aestivation with diadelphous stamens (9+1) is typical of the pea family, Fabaceae. Pisum... 1
- The flowers are Zygomorphic in :(a) Mustard(b) Gulmohar(c) Cassia(d) Datura(e) ChillyChoose the correct answer from the options given below : Answer: 3. (b), (c) Only Zygomorphic flowers can be divided into two equal halves in only one vertical plane. Gulmohar and Cassia (family Fa... 1
- Match Column - I with Column - II.Column - I (floral formulae) | Column - II(a) %♀♂ K(5) C1+2+(2) A(9)+1 G̱(1) | (i) Brassicaceae(b) ⊕♀♂ K(5) C(5) A5 G̱(2) | (ii) Liliaceae(c) ⊕♀♂ P(3+3) A3+3 G̱(3) | (iii) Fabaceae(d) ⊕♀♂ K2+2 C4 A2−4 G̱(2) | (iv) So… Answer: 1. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i) Identify the family from each floral formula. (a) Zygomorphic, K(5), C 1+2+(2), A (9)+1, s... 1
- Diadelphous stamens are found in : Answer: 3. Pea In diadelphous stamens, filaments are fused into two bundles. Pea (Fabaceae) has 9 fused plus 1 free stamen, (9)+1 . China ro... 1
- Ray florets have : Answer: 1. Inferior ovary Key idea: In sunflower (family Asteraceae), ray florets are female or sterile and have an inferior ovary. Asterace... 1