The botanical name of sunflower is:

  1. Dahlia
  2. Helianthus annus
  3. Tagetes erecta
  4. Zinnia

Answer (Detailed Solution Below)

Option 2 : Helianthus annus
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RRB Group D Full Test 1
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Detailed Solution

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Explanation:

The botanical name of sunflower is Helianthus annus

Systematic position:

Kingdom: Plantae

Family: Asteraceae

Genus: Helianthus

  • The plant has an erect rough-hairy stem, reaching typical heights of 3 metres 
  • It belongs to the family Asteraceae
  • The family Asteraceae also known as Compositae, consists of over 32,000 known species of flowering plants in over 1,900 genera within the order Asterales.
  • Sunflower has capitulum inflorescence

Additional Information 

Common name Botanical name
Garden dahlia Dahlia pinnata
Mexican marigold Tagetes erecta
Zinnia Zinnia Elegans

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