Ask a Doubt
Request a call back

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

CBSE Class 11-science Answered

Name the PGR which hastens the ripening of oranges.
Asked by Topperlearning User | 11 Jul, 2014, 13:25: PM
answered-by-expert Expert Answer

Ethylene

Answered by | 11 Jul, 2014, 15:25: PM

Concept Videos

Multiple Choice Questions Practice Test
Answered Unanswered My Questions My Answers
CBSE 11-science - Biology
which plant harmon found in gas form
question image
Asked by supekarnandini1006 | 27 Apr, 2020, 10:58: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
Which plant hormone promotes opening of stomata?  
Asked by yashu.loki5453 | 02 Dec, 2018, 19:47: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
mycorrhiza promote plant growth by  a. absorbing inorganic ions from soil               b. helping plant in using atmospheric nitrogen  c.protect plant from infection                            d. serving as PGR 
Asked by kaintkaku | 23 Apr, 2018, 01:10: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
why coralloid roots are negatively geotropic 
Asked by kaintkaku | 23 Apr, 2018, 01:07: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
leaf fall occurs when  a. auxin decreases                           b. gibberellin decreases c. auxin increases                            d. ABA decreases
Asked by kaintkaku | 21 Apr, 2018, 23:12: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
Name the plant and its part from which auxin was isolated by F. W. Went.
Asked by Topperlearning User | 11 Jul, 2014, 13:25: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
Name the fungus which causes the bakanae disease in rice seedlings.
Asked by Topperlearning User | 11 Jul, 2014, 13:25: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
Name the three substances which were discovered and later collectively named abscisic acid (ABA).
Asked by Topperlearning User | 11 Jul, 2014, 13:25: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
Name the PGR which hastens the ripening of oranges.
Asked by Topperlearning User | 11 Jul, 2014, 13:25: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 11-science - Biology
From where was auxin first isolated?
Asked by Topperlearning User | 11 Jul, 2014, 13:25: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
My Class Videos Tests ₹ Plans Ask a Doubt
Are You a Teacher or a Parent Seeking Customised Tests? Click here
×