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

Exine of the pollen grain is made up of


A

Pectocellulose

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

Ligno cellulose

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

Sporopollenin

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

Pollen kit

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

The correct option is C

Sporopollenin


The correct option is C.

The explanation for the correct option:

  1. Exine refers to the outer covering of the pollen.
  2. It is a protective covering.
  3. It protects male gametes from physical and chemical damage.
  4. It is made up of the protein Sporopollenin.
  5. This protein is resistant to various enzymatic activities and protects pollen from degradation.

The explanation for the incorrect options:

Option A:

  1. Pectocellulose is formed due to the Fusion of pectin and cellulose fibers.
  2. It is located in the intine of the pollen grain.

Option B:

  1. Ligno cellulose refers to lignified fibrous tissues.
  2. This tissue plays an important role in Biodiesel or biofuel formation.

Option D:

  1. Pollen kit refers to the oily and sticky layer present around the exine of pollen grains.
  2. This pollen kit helps in entomophilous pollination.

Final answer:

Exine of the pollen grain is made up of Sporopollenin.


flag
Suggest Corrections
thumbs-up
2
Join BYJU'S Learning Program
similar_icon
Related Videos
thumbnail
lock
Male Reproductive Part
BIOLOGY
Watch in App
Join BYJU'S Learning Program
CrossIcon