NTA Abhyas NEET2020BotanyMorphology of Flowering PlantsPractice
Three floral diagrams are given here. Their respective families are assigned in the answer key. Find out the families to which these diagrams belong to
Options
- AA - Liliaceae, B - Asteraceae, C - Solanaceae
- BA - Asteraceae, B - Solanaceae, C - Brassicaceae
- CA - Asteraceae, B - Solanaceae, C - Asteraceae
- DA - Poaceae, B - Solanaceae, C - Asteraceae
Correct answer
B. A - Asteraceae, B - Solanaceae, C - Brassicaceae
Step-by-step solution
'Pappus', a hairy structure is a modification of calyx and is the characteristic feature of a family - Asteraceae. So, is the floral formula of a family - Asteraceae. Calyx 5, gamosepalous, persistent, corolla 5, gamopetalous. Androecium 5, polyandrous and gynoecium bicarpellary and syncarpous are the diagnostic feature of a family - Solanaceae, shown by floral formula Calyx 4, polysepalous and arranged in 2 worlds of 2 each, corolla 4, polypetalous and cruciform. Androecium 6, polyandrous, tetradynamous. Gynoecoui