Secondary Xylem

Q. Which of the following statement is true about secondary xylem?

1. Strasburger

2. Nageli

3. Hanstein

4. Schmidt

Q. Which of the following statement is true about secondary xylem?

1. It is seen in all angiosperms
2. It grows along with the primary xylem
3. It grows during the secondary growth in plants
4. Secondary xylem is also differentiated into protoxylem and metaxylem

Q. Which of the following statement is true about secondary xylem?

1. It is seen in all angiosperms
2. It grows along with the primary xylem
3. It grows during the secondary growth in plants
4. Secondary xylem is also differentiated into protoxylem and metaxylem