A hundred year old tree which shows well marked annual rings in its trunk will have
A hundred year old tree which shows well marked annual rings in its trunk will have
- A
An irregular number of annual rings which may increase or decrease all along the length of the stem
- B
More than hundred annual rings at the base and only about $50$ rings at the apex
- C
Only about a hundred annual rings at the base and an uniformly decreasing number of annual rings towards the apex
- D
The same number of annual rings from the base of its trunk to its apex
Similar Questions
Tyloses are
Tyloses are
Term 'meristem' was coined by
Term 'meristem' was coined by
Which of the following statement$(s)$ is/are true?
$(A)$ Uneven thickening of cell wall is characteristic of sclerenchyma.
$(B)$ Periblem forms cortex of the stem and the root.
$(C)$ Tracheids are the chief water transporting elements in gymnosperms.
$(D)$ Companion cell is devoid of nucleus at maturity.
$(E)$ The Commercial cork is obtained from Quercus suber
Which of the following statement$(s)$ is/are true?
$(A)$ Uneven thickening of cell wall is characteristic of sclerenchyma.
$(B)$ Periblem forms cortex of the stem and the root.
$(C)$ Tracheids are the chief water transporting elements in gymnosperms.
$(D)$ Companion cell is devoid of nucleus at maturity.
$(E)$ The Commercial cork is obtained from Quercus suber
- [AIIMS 2013]
$P -$ protein is found in
$P -$ protein is found in
Trees may be damaged by animals which rub against them, wearing away a strip of bark right around the tree trunk and exposing the xylem. The tree will then
Trees may be damaged by animals which rub against them, wearing away a strip of bark right around the tree trunk and exposing the xylem. The tree will then