As a rule, which of the following is/are destroyed by the impact of the pollen tube and the others remain intact until some time afterward?
A. Only one synergid
B. Both synergids
C. Only one antipodal cell
D. The whole egg apparatus
Answer: Option A
This Question Belongs to Biology GK Chapter Wise >> Plant Anatomy And Physiology
Related Questions on Plant Anatomy and Physiology
A. Cinnamomum - Amoora association
B. Bischofia - Dillenia association
C. Shorea - Lagerstroemia association
D. Mesua - Michelia association
Which of the following react with haemoglobin, forming methemoglobin which will not take up oxygen?
A. Nitrates
B. Nitrites
C. Carbides
D. Oxides
Internally, hydathode shows a group of loosely arranged parenchymatous cells called as
A. Epiderm
B. Epithelium
C. Ampithecium
D. Epithem
Join The Discussion