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Q. No.Identify the incorrect statement:
| 1. | At the root tip, hairs are found in the region of maturation |
| 2. | Prop roots are the supporting roots seen in maize and sugarcane |
| 3. | Respiratory roots, pneumatophores are seen in Rhizophora growing in swampy areas |
| 4. | Adventitious roots in sweet potato get swollen and store food |
Subtopic: Morphology of Roots | Modification of Roots |
72%
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What are adventitious roots and what is their primary function?
| 1. | Roots that grow from the stem and are used for photosynthesis. |
| 2. | Roots that grow from the leaves and help in propagation. |
| 3. | Roots that grow from parts of the plant other than the radicle and help in support. |
| 4. | Roots that grow directly from the seed and absorb nutrients. |
Subtopic: Morphology of Roots |
90%
From NCERT
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Consider the given two statements:
1. Only I is correct
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
| I: | Sweet potato and potato are examples of homologous organs. |
| II: | Thorn and tendrils of Bougainvillea and Cucurbita are analogous organs. |
2. Only II is correct
3. Both I and II are correct
4. Both I and II are incorrect
Subtopic: Modification of Roots | Modifications of Stem |
75%
From NCERT
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Rearrange the following zones as seen in the root in vertical section and choose the correct option.
A. Root hair zone
B. Zone of meristems
C. Rootcap zone
D. Zone of maturation
E. Zon of elongation
Options:
| 1. | C, B, E, A, D | 2. | A, B, C, D, E |
| 3. | D, E, A, C, B | 4. | E, D, C, B, A |
Subtopic: Morphology of Roots |
89%
From NCERT
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes:
| Column I [Phyllotaxy] |
Column II [Example] |
||
| A. | Alternate | P. | Alstonia |
| B. | Opposite | Q. | Calotropis and Guava |
| C. | Whorled | R. | China rose, Mustard and Sunflower |
| A | B | C | |
| 1. | P | Q | R |
| 2. | P | R | Q |
| 3. | R | Q | P |
| 4. | Q | P | R |
Subtopic: Venation, Types of Leaves & Phyllotaxy |
87%
From NCERT
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What is the difference between pinnately compound and palmately compound leaves?
| 1. | Pinnately compound leaves have leaflets arranged along the central axis, while palmately compound leaves have leaflets joined at a single point. |
| 2. | Pinnately compound leaves have leaflets arranged at a single point, while palmately compound leaves are arranged along the central axis. |
| 3. | Pinnately compound leaves are always larger than palmately compound leaves. |
| 4. | Palmately compound leaves are typically found in aquatic environments, whereas pinnately compound leaves are not. |
Subtopic: Venation, Types of Leaves & Phyllotaxy |
87%
From NCERT
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All statements regarding the features of racemose and cymose inflorescence are correct except:
| 1. | In racemose inflorescence, the flowers are borne in an acropetal order |
| 2. | In cymose inflorescence, the floral main axis continues to grow throughout the life |
| 3. | In racemose inflorescence the floral main axis continues to grow |
| 4. | In cymose inflorescence, the flowers are borne in a basipetal order |
Subtopic: Inflorescence |
91%
From NCERT
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Which of the following pairs are correctly matched?
I. Epipetalous stamen: Brinjal
II. Diadelphous stamen: China rose
III. Syncarpous ovary: Mustard
IV. Basal placentation: Sunflower
| 1. | Only I, II and III | 2. | Only I, III and IV |
| 3. | Only II, III and IV | 4. | I, II, III and IV |
Subtopic: Flower & Parts of Flower |
70%
From NCERT
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Consider the two statements:
| Assertion (A): | Cymose inflorescence is determinate – limited in growth. |
| Reason (R): | The terminal bud keeps growing and forming lateral flowers; a terminal flower is never formed. |
| 1. | Both (A) and (R) are True but (R) does not correctly explain the (A). |
| 2. | (A) is True but (R) is False. |
| 3. | Both (A) and (R) are True and (R) correctly explains the Assertion. |
| 4. | (A) is False but (R) is True. |
Subtopic: Flower & Parts of Flower |
78%
From NCERT
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Match each item in Column I with one in Column II and select the correct match from the codes given:
Codes:
| Column I [Placentation] |
Column II [Example] |
||
| A. | Marginal | P. | Pea |
| B. | Axile | Q. | Argemone |
| C. | Parietal | R. | Tomato |
| D. | Basal | S. | Marigold |
| A | B | C | D | |
| 1. | P | R | Q | S |
| 2. | R | P | Q | S |
| 3. | R | P | S | Q |
| 4. | P | R | S | Q |
Subtopic: Flower & Parts of Flower |
87%
From NCERT
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