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Q. No.Regarding regions of roots in angiosperms
I:
the apex is covered by a thimble-like structure called the root cap
II:
cells of the region of meristematic activity divide repeatedly
III:
Root hairs are found in the region of elongation
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 |
84%
From NCERT
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The phyllotaxy shown in the given figure is seen in:
1. Alstonia
2. Calotropis
3. China rose
4. Guava
1. Alstonia
2. Calotropis
3. China rose
4. Guava
Subtopic: Morphology of Leaf |
78%
From NCERT
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How many of the given pairs are correctly matched?
1. 0
2. 1
3. 2
4. 3
| A: | Actinomorphic flower | Pea |
| B: | Zygomorphic flower | Mustard |
| C: | Asymmetric flower | Canna |
2. 1
3. 2
4. 3
Subtopic: Flower & Parts of Flower |
75%
From NCERT
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The ovary is superior and the flower is hypogynous in:
1. Guava
2. Brinjal
3. Cucumber
4. Ray florets of sunflower
1. Guava
2. Brinjal
3. Cucumber
4. Ray florets of sunflower
Subtopic: Flower & Parts of Flower |
84%
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 [Aestivation type] |
Column II [Example] |
||
| A. | Valvate | P. | Lady’s finger |
| B. | Twisted | Q. | Bean |
| C. | Imbricate | R. | Calotropis |
| D. | Vexillary | S. | Cassia |
| 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 |
84%
From NCERT
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How many of the given statements are true?
1. 1
2. 2
3. 3
4. 4
| A: | When stamens are attached to the petals, they are epipetalous as in brinjal |
| B: | When stamens are attached to the perianth, they are epiphyllous as in lily |
| C: | The stamens may be united into one bunch or one bundle (monadelphous) as in China rose |
| D: | There may be a variation in the length of filaments within a flower, as in Salvia and mustard |
2. 2
3. 3
4. 4
Subtopic: Flower & Parts of Flower |
83%
From NCERT
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Identify A, B, and C in the given figure:
| A | B | C | |
| 1. | Aleurone layer | Scutellum | Endosperm |
| 2. | Scutellum | Endosperm | Aleurone layer |
| 3. | Aleurone layer | Endosperm | Scutellum |
| 4. | Endosperm | Scutellum | Aleurone layer |
Subtopic: Seed |
80%
From NCERT
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What structure covers the embryonic root in monocots?
1. hypodermis
2. scutellum
3. coleorhiza
4. radicle
1. hypodermis
2. scutellum
3. coleorhiza
4. radicle
Subtopic: Seed |
79%
From NCERT
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'Pericarp’ is a derivative of which of the following structures?
1. integuments
2. endosperm
3. ovule wall
4. ovary wall
1. integuments
2. endosperm
3. ovule wall
4. ovary wall
Subtopic: Fruits & their Types |
78%
From NCERT
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Consider the given two statements:
| Statement I: | In a pinnately compound leaf, several leaflets are present on a common axis, the rachis, which represents the midrib of the leaf (as in neem). |
| Statement II: | In palmately compound leaves, the leaflets are attached at a common point, i.e., at the tip of the petiole (as in silk cotton). |
| 1. | Statement I is correct; Statement II is correct |
| 2. | Statement I is incorrect; Statement II is correct |
| 3. | Statement I is correct; Statement II is incorrect |
| 4. | Statement I is incorrect; Statement II is incorrect |
Subtopic: Morphology of Leaf |
91%
From NCERT
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