Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 12-science Answered

Assertion :- In sun-flower family petals are modified in to pappus. Reason :- Pappus helps in dispersal of flower.
Asked by minipkda | 21 May, 2018, 10:40: PM
answered-by-expert Expert Answer

In many members of Asteraceae family such as sunflower, the sepals are modified into threadlike, hairy structures called pappus, which surround the fruit and can stick to animal fur or be lifted by the wind, aiding in seed dispersal. Thus, modification of sepals and not petals occurs to form pappus. Also, pappus aids in seed dispersal and not dispersal of the flower.

Answered by Sheetal Kolte | 22 May, 2018, 10:34: AM

Concept Videos

CBSE 12-science - Biology
Asked by bhavishnu.in.2006 | 19 Mar, 2023, 07:41: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
Asked by gurjarlaxman0322 | 24 Aug, 2020, 09:30: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
Asked by sunkavalli123456 | 20 Jul, 2020, 10:29: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
Asked by jahnavisharma15807 | 09 Dec, 2018, 08:49: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
Asked by collinkalayilroy | 14 Oct, 2018, 05:42: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
Asked by rakeshraghav33 | 24 Aug, 2018, 07:14: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
Asked by minipkda | 21 May, 2018, 10:40: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
Asked by Atul Singh | 21 Apr, 2018, 12:06: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Biology
Asked by aipatil1973 | 17 Mar, 2018, 09:23: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×