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Q. No.Regarding the regions of the root tip:
I.
Root cap protects the tender apex of the root
II.
Region of elongation is proximal to region of meristematic activity
III.
Region of maturation has root hairs
1. Only I and II are correct
2. Only I and III are correct
3. Only II and III are correct
4. I, II and III are correct
Subtopic: Morphology of Roots |
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Identify the correct statement regarding the stem morphology from the following:
1. Only I
2. Only II
3. Both I and II
4. Neither I nor II
| I: | Axillary buds may get modified into thorns as in gourds. |
| II: | Stem tendrils develop from axillary buds as in Citrus. |
2. Only II
3. Both I and II
4. Neither I nor II
Subtopic: Aerial Stem Modification |
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The type of placentation shown in the given figure is seen in:
1. Marigold
2. Argemone
3. Dianthus
4. China rose
1. Marigold
2. Argemone
3. Dianthus
4. China rose
Subtopic: Flower & Parts of Flower |
83%
From NCERT
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Match the following parts of a monocot seed with their functions:
1. A-4, B-2, C-3, D-1
2. A-3, B-4, C-2, D-1
3. A-1, B-3, C-4, D-2
4. A-2, B-1, C-3, D-4
| Column I | Column II | ||
| A. | Scutellum | 1 | Anchorage |
| B. | Coleorhiza | 2 | Protects radicle |
| C. | Coleoptile | 3 | Protects plumule |
| D. | Radicle | 4 | Acts as cotyledon |
2. A-3, B-4, C-2, D-1
3. A-1, B-3, C-4, D-2
4. A-2, B-1, C-3, D-4
Subtopic: Seed |
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Which statement correctly differentiates cymose from racemose inflorescence?
| 1. | In cymose inflorescence, the main axis continues to grow, while in racemose, the growth is limited. |
| 2. | Racemose inflorescence has flowers with a pedicel, whereas cymose often does not. |
| 3. | In racemose inflorescence, the oldest flowers are at the top, unlike in cymose, where they are at the bottom. |
| 4. | Racemose inflorescence exhibits indefinite growth, while cymose shows definite growth. |
Subtopic: Inflorescence |
89%
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Which of the following is a characteristic floral feature of the Asteraceae family?
| 1. | Bilateral symmetry and inferior ovary. |
| 2. | Flowers arranged in a head (capitulum) inflorescence. |
| 3. | Presence of both male and female flowers on different plants. |
| 4. | Flowers with 6 petals and 6 sepals. |
Subtopic: Families of Flowering Plant |
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Which statement accurately describes tap roots and fibrous roots?
| 1. | Tap roots are the main roots from which other roots sprout laterally, while fibrous roots have no main root but many branching roots. |
| 2. | Fibrous roots grow deep into the soil, while tap roots spread out near the soil surface. |
| 3. | Tap roots are found in monocots, while fibrous roots are found in dicots. |
| 4. | Fibrous roots store food, whereas tap roots do not store food. |
Subtopic: Morphology of Roots |
90%
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What is the correct sequence of regions at a root tip?
| 1. | Root cap, zone of elongation, zone of maturation, meristematic zone |
| 2. | Meristematic zone, zone of elongation, zone of maturation, root cap |
| 3. | Root cap, meristematic zone, zone of elongation, zone of maturation |
| 4. | Zone of maturation, zone of elongation, root cap, meristematic zone |
Subtopic: Morphology of Roots |
87%
From NCERT
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Match the following types of corolla aestivation with their descriptions:
Codes:
| Column I | Column II | ||
| A | Valvate | P | Petals just touching each other |
| B | Imbricate | Q | One petal covering another, the next one is covered by another and so on |
| C | Twisted | R | One margin of a petal overlaps that of the next one and so on |
| D | Vexillary | S | Large petal covers smaller petals, which are not overlapping |
| A | B | C | D | |
| 1. | P | Q | R | S |
| 2. | Q | P | S | R |
| 3. | S | P | R | Q |
| 4. | Q | S | R | P |
Subtopic: Flower & Parts of Flower |
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Symmetry in flowers is considered actinomorphic when:
| 1. | They can be divided into two equal halves in any plane. |
| 2. | They can only be divided into two equal halves in one specific plane. |
| 3. | They do not show any symmetry. |
| 4. | They change symmetry at different stages of growth. |
Subtopic: Flower & Parts of Flower |
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