271846 Identify the correct statements :
A. Lenticels are the lens-shaped openings permitting the exchange of gases.
B. Bark formed early in the season is called hard bark.
C. Bark is a technical term that refers to all tissues exterior to vascular cambium.
D. Bark refers to periderm and secondary phloem.
E. Phellogen is single-layered in thickness.
Choose the correct answer from the options given below :

271847 Given below are two statements : One is tabelled as Assertion \(A\) and the otheris labelled as Reason \(\mathbf{R}\) :
Assertion A : Latewood has fewer xylary elements withnarrow vessels.
Reason \(R\) : Cambium is less active in winters. In the light of the above statements, choose the correct answer from the options given below :

271848 In old trees the greater part of secondary xylem is dark brown and resistant to insect attack due to :

271853 Which of the statements given below is not true about formation of Annual Rings in trees?

271846 Identify the correct statements :
A. Lenticels are the lens-shaped openings permitting the exchange of gases.
B. Bark formed early in the season is called hard bark.
C. Bark is a technical term that refers to all tissues exterior to vascular cambium.
D. Bark refers to periderm and secondary phloem.
E. Phellogen is single-layered in thickness.
Choose the correct answer from the options given below :

271847 Given below are two statements : One is tabelled as Assertion \(A\) and the otheris labelled as Reason \(\mathbf{R}\) :
Assertion A : Latewood has fewer xylary elements withnarrow vessels.
Reason \(R\) : Cambium is less active in winters. In the light of the above statements, choose the correct answer from the options given below :

271848 In old trees the greater part of secondary xylem is dark brown and resistant to insect attack due to :

271853 Which of the statements given below is not true about formation of Annual Rings in trees?

271846 Identify the correct statements :
A. Lenticels are the lens-shaped openings permitting the exchange of gases.
B. Bark formed early in the season is called hard bark.
C. Bark is a technical term that refers to all tissues exterior to vascular cambium.
D. Bark refers to periderm and secondary phloem.
E. Phellogen is single-layered in thickness.
Choose the correct answer from the options given below :

271847 Given below are two statements : One is tabelled as Assertion \(A\) and the otheris labelled as Reason \(\mathbf{R}\) :
Assertion A : Latewood has fewer xylary elements withnarrow vessels.
Reason \(R\) : Cambium is less active in winters. In the light of the above statements, choose the correct answer from the options given below :

271848 In old trees the greater part of secondary xylem is dark brown and resistant to insect attack due to :

271853 Which of the statements given below is not true about formation of Annual Rings in trees?

271846 Identify the correct statements :
A. Lenticels are the lens-shaped openings permitting the exchange of gases.
B. Bark formed early in the season is called hard bark.
C. Bark is a technical term that refers to all tissues exterior to vascular cambium.
D. Bark refers to periderm and secondary phloem.
E. Phellogen is single-layered in thickness.
Choose the correct answer from the options given below :

271847 Given below are two statements : One is tabelled as Assertion \(A\) and the otheris labelled as Reason \(\mathbf{R}\) :
Assertion A : Latewood has fewer xylary elements withnarrow vessels.
Reason \(R\) : Cambium is less active in winters. In the light of the above statements, choose the correct answer from the options given below :

271848 In old trees the greater part of secondary xylem is dark brown and resistant to insect attack due to :

271853 Which of the statements given below is not true about formation of Annual Rings in trees?