Match List-I with List-II.
| List-I | List-I | ||
| (a) | Lenticels | (i) | Phellogen |
| (b) | Cork cambium | (ii) | Suberin deposition |
| (c) | Secondary cortex | (iii) | Exchange of gases |
| (d) | Cork | (iv) | Phelloderm |
Choose the correct answer from the options given below:
| (a) | (b) | (c) | (d) | |
| 1. | (ii) | (iii) | (iv) | (i) |
| 2. | (iv) | (ii) | (i) | (iii) |
| 3. | (iv) | (i) | (iii) | (ii) |
| 4. | (iii) | (i) | (iv) | (ii) |
Select the correct pair.
| 1. | Cells of medullary rays that form part of a cambial ring - Interfascicular cambium |
| 2. | Loose parenchyma cells rupture the epidermis and form a lens-shaped opening in the bark - Spongy parenchyma |
| 3. | Large colorless empty cells in the epidermis of grass leaves - Subsidiary cells |
| 4. | In dicot leaves, vascular bundles are surrounded by large thick-walled cells - Conjunctive tissue |
Match List I with List II
| List I | List II | ||
| (a). | Cells with active cell division capacity |
(i). | Vascular tissues |
| (b). | Tissue having all cells similar in structure and function |
(ii). | Meristematic tissue |
| (c). | Tissue having different types of cells |
(iii). | Sclereids |
| (d). | Dead cells with highly thickened walls and narrow lumen |
(iv). | Simple tissue |
Select the correct answer from the options given below:
| Options: | (a). | (b). | (c). | (d). |
| 1. | (i). | (ii). | (iii). | (iv). |
| 2. | (iii). | (ii). | (iv) | (i). |
| 3. | (ii). | (iv). | (i). | (iii). |
| 4. | (iv). | (iii). | (ii). | (i). |
Given below is the diagram of a stomatal apparatus. In which of the following, all the four parts labelled as A, B, C and D are correctly identified:
| A | B | C | D | |
| 1. | Guard cell | Stomatal aperture | Subsidiary Cell | Epidermal Cell |
| 2. | Epidermal Cell | Guard Cell | Stomatal aperture | Subsidiary cell |
| 3. | Epidermal Cell | Subsidiary Cell | Stomatal aperture | Guard Cell |
| 4. | Subsidiary Cell | Epidermal Cell | Guard Cell | Stomatal aperture |
| Column-I | Column-II | ||
| A. | Companion cells | P. | Absent in most monocots |
| B. | Albuminous cells | Q. | Lacking in gymnosperms |
| C. | Phloem parenchyma | R. | Generally absent in primary phloem |
| D. | Phloem fibers | S. | Parenchyma cell adjacent to the sieve cell in gymnosperm wood |
| A | B | C | D | |
| 1. | Q | S | P | R |
| 2. | S | Q | R | P |
| 3. | P | R | Q | S |
| 4. | R | P | S | Q |
| 1. | Cuticle is present in almost all roots. |
| 2. | Only guard cells lack chloroplasts. |
| 3. | Guard cells are bean-shaped in grasses. |
| 4. | Trichomes are usually multicellular. |
| Column-I | Column-II | ||
| A. | Dicot stem | P. | Vascular bundles are arranged in a ring |
| B. | Monocot stem | Q. | Pith is small or inconspicuous |
| C. | Dicot root | R. | Vascular bundles are many and scattered in the ground tissue with no definite arrangement. |
| D. | Monocot root | S. | Pith is large and well developed |
| A | B | C | D | |
| 1. | Q | S | P | R |
| 2. | S | Q | R | P |
| 3. | P | R | Q | S |
| 4. | R | P | S | Q |
| 1. | Occurs in layers below the epidermis in most of the dicotyledonous plants |
| 2. | Cells are thickened at the corners due to deposition of cellulose, hemicelluloses and pectin |
| 3. | There is considerable amount of intercellular space between cells |
| 4. | Provide mechanical support to the growing parts of the plants |
| 1. | are prominent in isobilateral leaf |
| 2. | is abaxially placed in dorsi-ventral leaf |
| 3. | are loosely arranged oval or round cells extending to the lower epidermis in dorsi-ventral leaf |
| 4. | is made of elongated cells vertically arranged parallel to each other in dorsi-ventral leaf |
| I: | Bulliform cells | large, bubble-shaped epidermal cells that occur in groups on the upper surface of the leaves of many monocots. |
| II: | Lenticels | a porous tissue consisting of cells with large intercellular spaces in the periderm of the secondarily thickened organs and the bark of woody stems and roots of dicotyledonous flowering plants |