The characters of the pollen grains which have proved of special significance in taxonomic considerations include
A. Number of sperm tubes formed during the process of fertilization
B. Structure and nature of intine
C. Formation of tube cell and its position in the pollen grain
D. Number and position of the germ pores on the pollen grain
Answer: Option D
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