wiz-icon
MyQuestionIcon
MyQuestionIcon
1
You visited us 1 times! Enjoying our articles? Unlock Full Access!
Question

Anthesis is a phenomenon which refers to


A

formation of pollen

No worries! We‘ve got your back. Try BYJU‘S free classes today!
B

reception of pollen by stigma

No worries! We‘ve got your back. Try BYJU‘S free classes today!
C

opening of flower bud

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D

development of anther

No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution

The correct option is C

opening of flower bud


The correct option is C.

Explanation of correct option:

  1. Anthesis refers to the period of opening of the flower bud. In this way, the flower becomes functional.
  2. In anthesis, the style is extended far beyond the upper perianth of a flower.
  3. It facilitates the pollination process.
  4. Diurnal anthesis is observed in bright-coloured flowers which attract insects. Nocturnal anthesis is found in white or pale-coloured flowers that attract several moth species.

Explanation of incorrect option:

Option A:

  1. The formation of pollen is known as microgametogenesis.
  2. Pollen grains are formed from microspores.

Option B:

  1. Reception of pollen by stigma is termed pollination.
  2. There are three types of pollination- autogamy, geitonogamy, and xenogamy.

Option D:

  1. The anther is a part of the flower which plays an important role in pollen formation.
  2. The anther contains microsporangia which are developed from a group of cells called eusporangiate.

Final answer: Anthesis is a phenomenon which refers to the opening of the flower bud.


flag
Suggest Corrections
thumbs-up
3
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Pollination
BIOLOGY
Watch in App
Join BYJU'S Learning Program
CrossIcon