| Chapter-6: Anatomy of Flowering Plants |
1. Fusifrom initial cells of cambium from
- vascular rays
- tracheary elements
- ray parenchyma
- phloem parenchyma
[su_spoiler title=”Answer ” style=”fancy”] tracheary elements [/su_spoiler]
2. Fusifrom initial cells of cambium from
- vascular rays
- tracheary elements
- ray parenchyma
- phloem parenchyma
[su_spoiler title=”Answer ” style=”fancy”] tracheary elements [/su_spoiler]
3. Closed vascular bundles lacks
- pith
- xylem
- cambium
- xylem vessels
[su_spoiler title=”Answer ” style=”fancy”] cambium [/su_spoiler]
4. Walls of sclerenchyma are
- rigid
- lignified
- pectinised
- suberised
[su_spoiler title=”Answer ” style=”fancy”] lignified [/su_spoiler]
5. Callose deposition is found in
- tracheids
- companion cells
- sieve areas
- phloem parenchyma
[su_spoiler title=”Answer ” style=”fancy”] sieve areas [/su_spoiler]
6. Which of the following helps in the curling of the leaf surface?
- Bulliform cells
- Xylem tissue
- Palisade parenchyma
- Bundle sheath cells
[su_spoiler title=”Answer ” style=”fancy”] Bulliform cells [/su_spoiler]
7. Quiescent centre is present in the
- apical meristem
- shoot meristem
- lateral meristem
- root meristem
[su_spoiler title=”Answer ” style=”fancy”] root meristem [/su_spoiler]
8. Pith is very well developed in
- monocot root and monocot srem
- monocot root and dicot root
- dicot root and monocot stem
- monocot root and dicot stem
[su_spoiler title=”Answer ” style=”fancy”] monocot root and dicot stem [/su_spoiler]
9. Closed vascular bundles lacks
- pith
- xylem
- cambium
- xylem vessels
[su_spoiler title=”Answer ” style=”fancy”] cambium [/su_spoiler]
10. Stem develops from
- radicle
- cotyledon
- mesocarp
- plumule
[su_spoiler title=”Answer ” style=”fancy”] plumule [/su_spoiler]
11. which of the following is true about heartwood?
- They are dead but gives mechanical support to stem.
- They are light in color.
- They conduct water and minerals.
- 1 and 3
[su_spoiler title=”Answer ” style=”fancy”] They are dead but gives mechanical support to stem. [/su_spoiler]
12. losed vascular bundles lacks
- pith
- xylem
- cambium
- xylem vessels
[su_spoiler title=”Answer ” style=”fancy”] cambium [/su_spoiler]
13. Vessels differ from tracheids
- in being living
- in being derived from a single cell
- in that they consist of vertical row of cells with cross walls dissolved
- in coducting water and minerals
[su_spoiler title=”Answer ” style=”fancy”] in that they consist of vertical row of cells with cross walls dissolved [/su_spoiler]
14. Stem grows in girth due to
- outer cortical
- epidermis
- vascular cambium
- phellogen
[su_spoiler title=”Answer ” style=”fancy”] vascular cambium [/su_spoiler]
15. Which of the following is not a feature of spring wood?
- Color of the wood is light.
- Density is less.
- Cambium is active.
- Lesser number of xylary elements
[su_spoiler title=”Answer ” style=”fancy”] Lesser number of xylary elements [/su_spoiler]