Which of the following is absent in the primary and secondary structure of stem of Pinus
Which of the following is absent in the primary and secondary structure of stem of Pinus
- [AIIMS 2000]
- A
Sieve tubes
- B
Mucilage duct
- C
Companion cells
- D
Phloem parenchyma
Similar Questions
Assertion : In stem, pericycle take active part in secondary growth.
Reason : In dicots, pericycle has the capacity to produce lateral roots
Assertion : In stem, pericycle take active part in secondary growth.
Reason : In dicots, pericycle has the capacity to produce lateral roots
- [AIIMS 2013]
Choose the incorrect statement
Choose the incorrect statement
In which meristem the cell divisions occur in all planes
Grafting is successful in dicots but not in monocots because the dicots have
Grafting is successful in dicots but not in monocots because the dicots have
- [AIIMS 2006]
Intercalary meristem is a derivative of
Intercalary meristem is a derivative of