The wall of cork cells is mostly impregnated with
1). Cutin
2). Suberin
3). Lignin
4). Hemicellulose
Horns of most mammals are composed of
1). Bones
2). Cartilage
3). Keratin
4). Chitin
Pure line selection results in retention of desired characters
1). for one generation
2). for two generations
3). for several generation
4). permanently
Mechanical tissues are very poorly developed in
1). xerophytes
2). halophytes
3). hydrophytes
4). lithophytes
What is the other name for the cork tissue?
1). Phellogen
2). Phelloderm
3). Phellem
4). Periderm