3. Match the following columns.
Column I |
Column II |
A. Cuticle B. Bulliform cells C. Stomata D. Epidermis |
1. Guard cells 2. Single layer 3. Waxylayer 4. Empty colourless cell |
Codes
Options: | A | B | C | D |
1. | 3 | 4 | 1 | 2 |
2. | 1 | 2 | 3 | 4 |
3. | 3 | 2 | 4 | 1 |
4. | 3 | 2 | 1 | 4 |
Assertion(A): | The vascular bundles of dicot stems are called open vascular bundles. |
Reason(R): | Dicot stems can make secondary xylem and secondary phloem with the help of cambium. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true, but (R) is not the correct explanation of (A). |
3. | (A) is true, but (R) is false. |
4. | (A) is false, but (R) is true. |
Assertion(A): | Monocotyledonous stems do not possess the ability to form secondary xylem and phloem tissues. |
Reason(R): | In monocotyledonous stems, cambium is not present. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true, but (R) is not the correct explanation of (A). |
3. | (A) is true, but (R) is false. |
4. | (A) is false, but (R) is true. |
Assertion(A): | Monocotyledonous stems do not possess the ability to form secondary xylem and phloem tissues. |
Reason(R): | In monocotyledonous stems, cambium is present. |
1. | Both (A) and (R) are true and (R) is the correct explanation of (A). |
2. | Both (A) and (R) are true, but (R) is not the correct explanation of (A). |
3. | (A) is true, but (R) is false. |
4. | (A) is false, but (R) is true. |