The dorsiventral leaf of the plant has
(a) Conspicuous cuticle present on both epidermis.
(b) Palisade tissue towards the abaxial epidermis and spongy parenchyma towards the adaxial epidermis.
(c) Bulliform cells in the adaxial epidermis.
(d) Vascular bundles surrounded by a layer of thick-walled bundle sheath cells.
Important Questions on Anatomy of Flowering Plants
Select the incorrect statements from the given below.
(i) The parallel venation in monocot leaves is reflected in the near sizes of vascular bundles except in the main vein.
(ii) Starch sheath is present in root endodermis with Casparian strips on tangential and radial walls.
(iii) Conjunctive tissue is parenchymatous cells, which lie between the xylem and phloem in the dicot root.
(iv) In maize stem, vascular bundles are scattered in ground tissue with smaller towards the center and larger towards the periphery.
Match the following and choose the correct option from below.
| A. Meristem | (i) Photosynthesis, storage |
| B. Parenchyma | (ii) Mechanical support |
| C. Collenchyma | (iii) Actively dividing cells |
| D. Sclerenchyma | (iv) Stomata |
| E. Epidermal tissue | (v) Sclereids |
| (i) | Root hair | Unicellular |
|---|---|---|
| (ii) | Stem hair | Multicellular |
| (iii) | Trichomes | Cause water loss |
| (iv) | Guard cells | Regulate opening and closing of stomata |
Statement 1 Anatomically, all the tissues present on the inner side of endodermis such as pericycle, vascular bundles and pith constitute the stele.
Statement 2 Eustele is the stele in which vascular bundles are arranged in the form of a ring as present in dicot stems.
(i) Multicellular epidermal hair
(ii) Collenchymatous hypodermis
(iii) Pith present
(iv) Vascular bundles present in a ring i.e., eustele
Above given features describe which of the following plant parts?
Read the different components from (1) to (4) in the list given below and tell the correct order of the components with reference to their arrangement from the outer side to the inner side in a woody dicot stem:
(i) Secondary cortex
(ii) Wood
(iii) Secondary phloem
(iv) Phellem
