Why do the pollen grains of Vallisneria have a mucilaginous covering ? – InterviewSolution

InterviewSolution

1.	Why do the pollen grains of Vallisneria have a mucilaginous covering ?
Answer» Pollen grains have a mucilage covering to protect themselves from wetting as Vallisneria is a water pollinated species .

Discussion

No Comment Found

Related InterviewSolutions

Given below is an incomplete flow chart showing influence of hormones on gametogenesis in males. Observe the flow chart carefully and fill in the blanks A,B,C and D.
Vasectomy means A) Cutting and tying of sperm ducts B) Cutting and tying of fallopian tubes C) FoeticideD) Prevention of sexual diseases
In the table given below , select and enter one correct device out of the following : Oral pill, condom , Copper T , Saheli,Vasectomy, Diaphragm, Tubectomy, Cervical cap
Both vasectomy and tubectomy ensure that ____ will not take place.
What is Vasectomy?
The menstrual cycle prepares the uterus for a fertilised egg. How long is an average menstrual cycle from start to finish?
The___ prepares itself every month to receive and nurture the growing child .
Nucellar polyembryony is reported in species ofA. CitrusB. GossypiumC. TriticumD. Brassica
Persistent endosperm in mature seed is found in :A. PeaB. GramC. GroundnutD. Wheat
Which of the following is monoeciousA. PapayaB. Date palmC. VallisneriaD. Cucurbita