Select incorrectly matched pair:
1. | Inferior ovary | Guava |
2. | Aestivation with unequal petals | Cotton sized petals |
3. | Polyadelphous condition | Citrus |
4. | Irregular flower | Canna |
Match column I with column II and select the correct option:
Column I | Column II | ||
(a) | A | (i) | Tomato |
(b) | Epiphyllous androecium | (ii) | Lily |
(c) | Ovary inferior | (iii) | Mustard |
(d) | Gamosepalous | (iv) | Epigynous flower |
(a) | (b) | (c) | (d) | |
1. | (iii) | (i) | (iv) | (ii) |
2. | (ii) | (iv) | (i) | (iii) |
3. | (iii) | (ii) | (iv) | (i) |
4. | (ii) | (iii) | (i) | (iv) |
Match items given in Column l with those given in Column ll:
Column I | Column II | ||
(a) | Marginal placentation | (i) | Single ovule is present in unilocular ovary |
(b) | Axile placentation | (ii) | False septum may be present |
(c) | Parietal placentation | (iii) | Placenta forms a ridge along the ventral suture of ovary |
(d) | Basal placentation | (iv) | Tomato, Lemon |
(a) | (b) | (c) | (d) | |
1. | (iii) | (i) | (iv) | (ii) |
2. | (ii) | (iii) | (iv) | (i) |
3. | (iii) | (iv) | (ii) | (i) |
4. | (iv) | (iii) | (ii) | (i) |
(i) | Pneumatophores help the plant root to take air or oxygen. |
(ii) | Floating hydrophytes possess well-developed root caps. |
(iii) | The edible part of Zingiber is an underground stem. |
(iv) | Prop roots contain root caps. |
(v) | Cladodes are green stems of limited growth which have taken over the function of photosynthesis from leaves. |
(i) | Long thin flexible petioles allow leaf blades to flutter in wind, thereby cooling the leaf and bringing fresh air to leaf surface |
(ii) | Leaf lamina lacks vascular bundles |
(iii) | Veins provide rigidity to leaf blades |
(iv) | Leaf possesses reticulate or parallel venation |
(v) | The axil of leaflets may possess axillary buds |
(i) | A sterile stamen is called staminode |
(ii) | Epipetalous stamen is found in lily and an epiphyllous stamen in brinjal |
(iii) | China rose possess polyadelphous stamen |
(iv) | Salvia and mustard possesses stamens with filaments of variable length |
(v) | Pea possess monadelphous as well as diadelphous stamen |
1. | Three | 2. | Two |
3. | Four | 4. | Five |
(i) | The outer lining of the ovary which bears an ovule is called the placenta. |
(ii) | Lotus and roses possess apocarpous ovaries. |
(iii) | Mustard and tomato possess apocarpous ovary |
(iv) | After fertilization, the ovules develop into fruit and the ovary matures into a seed. |
(v) | Stigma is present at the tip of the style of a carpel. |
Assertion (A): | Maize is an albuminous seed. |
Reason (R): | Endosperm is completely absorbed by the growing embryo. |
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): | Fibrous root is a type of adventitious root. |
Reason (R): | It does not develop from radicle but from the base of the main stem. |
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. |