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Class 11 Biology MCQ Chapter 6 Anatomy of Flowering Plants
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Anatomy of Flowering Plants
Chapter – 6
| UNIT – (II) STRUCTURAL ORGANISATION IN PLANTS AND ANIMALS |
| MCQ |
1. The layer just below the epidermis in a monocot stem is _____________.
(a) Hypodermis.
(b) Vascular bundles.
(c) Endodermis.
(d) Parenchyma.
Ans: (a) Hypodermis.
2. Which among the following is not correct about monocot stem?
(a) In a monocot stem, the vascular bundles are scattered.
(b) More than one conjoint vascular bundle is present.
(c) Cambium is absent.
(d) Cortex is present.
Ans: (d) Cortex is present.
3. Which among the following statements is incorrect about monocotyledonous tissue systems?
(a) Bulliform cells that help in the curling of leaves are absent in monocot leaf.
(b) Epidermis covers the entire plant and protects the plant from external damage.
(c) Vascular bundles in monocot stem are neither radial nor conjoint.
(d) In a monocot stem pericycle is absent.
Ans: (a) Bulliform cells that help in the curling of leaves are absent in monocot leaf.
4. Pith in monocot stem is made of ______________.
(a) Parenchyma cells.
(b) Collenchyma cells.
(c) Sclerenchyma cells.
(d) Tracheid cells.
Ans: (c) Sclerenchyma cells.
5. Hypodermis of a monocot stem is made of ______________.
(a) Sclerenchymatous cells.
(b) Parenchymatic cells.
(c) Collenchymatic cells.
(d) Chlorenchymatic cells.
Ans: (b) Parenchymatic cells.
6. Which among the following is correct about the anatomy of monocot root?
(a) The outermost layer in the root is called epidermis.
(b) The endodermis has a casparian strip that avoids water leakage from the vascular bundlesand invasion of foreign particles.
(c) Channels that connect the parenchyma cells are called plasmodermata.
(d) A cambium is present in between the xylem and phloem
Ans: (d) A cambium is present in between the xylem and phloem.
7. The cambium present between xylem and phloem is called:
(a) Lateral meristem.
(b) Apical meristem.
(c) Intercalary meristem.
(d) Primary meristem.
Ans: (a) Lateral meristem.
8. Which type of meristem helps in the increase of girth in plants?
(a) Apical meristem.
(b) Lateral meristem.
(c) Intercalary meristem.
(d) Primary meristem.
Ans: (b) Lateral meristem.
9. Which tissue is responsible for the growth of plant length?
(a) Apical meristem.
(b) Lateral meristem.
(c) Secondary meristem.
(d) Ground tissue.
Ans: (a) Apical meristem.
10. The cells of sclerenchyma are usually:
(a) Thin-walled.
(b) Thick-walled.
(c) Semi-permeable.
(d) Soft.
Ans: (b) Thick-walled.
11. Which of the following tissues has a hollow, tube-like structure for transportation?
(a) Collenchyma.
(b) Xylem vessels.
(c) Parenchyma.
(d) Sclerenchyma.
Ans: (b) Xylem vessels.
12. In monocot roots, vascular bundles are usually:
(a) Radial and polyarch.
(b) Radial and diarch.
(c) Conjoint and collateral.
(d) Scattered.
Ans: (a) Radial and polyarch.
13. Which type of vascular bundle lacks cambium?
(a) Open.
(b) Closed.
(c) Radial.
(d) Conjoint.
Ans: (b) Closed.
14. The cells that are specialized for photosynthesis in leaves are:
(a) Epidermal cells.
(b) Parenchyma cells.
(c) Mesophyll cells.
(d) Xylem cells.
Ans: (c) Mesophyll cells.
15. Which type of cells are present in the endodermis of roots?
(a) Sclerenchyma.
(b) Parenchyma.
(c) Casparian strip cells.
(d) Collenchyma.
Ans: (c) Casparian strip cells.
