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Q. No.Consider the given statements:
I:
In majority of the dicotyledonous plants, the direct elongation of the radicle leads to the formation of primary root which grows inside the soil.
II:
It bears lateral roots of several orders that are referred to as secondary, tertiary, etc., roots.
III:
The primary roots and its branches constitute the tap root system, as seen in the mustard plant.
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 |
87%
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Petioles help in:
1. Only I is correct
2. Only II and III are correct
3. I, II and III are correct
4. I, II and III are incorrect
| I: | holding the leaf blade to light. |
| II: | cooling the leaf. |
| III: | bringing fresh air to leaf surface. |
1. Only I is correct
2. Only II and III are correct
3. I, II and III are correct
4. I, II and III are incorrect
Subtopic: Morphology of Leaf |
77%
From NCERT
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Study the given figure and select the correct statements:
| Statement I: | The flower is epigynous |
| Statement II: | Such a flower is seen in rose, plum and peach |
| Statement III: | The position of ovary will be described as superior |
| 1. | Statement I is correct; Statement II is incorrect; Statement III is correct |
| 2. | Statement I is incorrect; Statement II is correct; Statement III is correct |
| 3. | Statement I is correct; Statement II is correct; Statement III is incorrect |
| 4. | Statement I is incorrect; Statement II is incorrect; Statement III is correct |
Subtopic: Flower & Parts of Flower: I |
72%
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Identify the correctly matched pairs:
1. Only I
2. I, II and III
3. Only II
4. None, all are incorrectly matched
| Placentation | Feature | |
| I: | Marginal | the ovules develop on the inner wall of the ovary or on peripheral part |
| II: | Axile | the ovules are borne on ridge along the ventral suture forming two rows |
| III: | Basal | the ovules are borne on central axis and septa are absent |
2. I, II and III
3. Only II
4. None, all are incorrectly matched
Subtopic: Flower & Parts of Flower |
81%
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Study the types of placentation and choose the correct match:
1. C only
2. A and B only
3. A, B and C
4. None; all are incorrect match
| A. | Axile | Argemone |
| B. | Parietal | Dianthus |
| C. | Free central | China rose |
2. A and B only
3. A, B and C
4. None; all are incorrect match
Subtopic: Flower & Parts of Flower |
86%
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In pea and bean flowers, there are five petals, the largest (A) overlaps the two lateral petals (B) which in turn overlap the two smallest anterior petals (C); this type of aestivation is known as (D).
| A | B | C | D | |
| 1. | Glume | Wings | Keel | valvate |
| 2. | Standard | Wings | Keel | Valvate |
| 3. | Standard | Keel | Wings | Vexillary |
| 4. | Standard | Wings | Keel | Vexillary |
Subtopic: Flower & Parts of Flower |
86%
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Study the given diagram and select the correct statements:
1. Statement I is correct; Statement II is correct
2. Statement Iis correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | A is micropyle through which the pollen tube had entered into the embryo sac. |
| Statement II: | B is hilum through which the developing seeds were attached to the fruit. |
1. Statement I is correct; Statement II is correct
2. Statement Iis correct; Statement II is incorrect
3. Statement I is incorrect; Statement II is correct
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Seed |
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What is the name given to the swollen leaf base found in some legumes?
1. Pulvinus
2. Lamina
3. Ligule
4. Stipule
1. Pulvinus
2. Lamina
3. Ligule
4. Stipule
Subtopic: Morphology of Leaf |
94%
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The given floral formula describes plants of family:
1. Solanaceae
2. Fabaceae
3. Brassicaceae
4. Liliaceae
1. Solanaceae
2. Fabaceae
3. Brassicaceae
4. Liliaceae
Subtopic: Families of Flowering Plant |
83%
From NCERT
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The diagram shows the drupes of mango and coconut. Select the correct statements:
1. Statement I is incorrect; Statement II is correct
2. Statement I is correct; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
| Statement I: | They develop from monocarpellary superior ovaries and are one seeded in both mango and coconut. |
| Statement II: | Mesocarp is fleshy and edible in mango while it is fibrous in coconut. |
1. Statement I is incorrect; Statement II is correct
2. Statement I is correct; Statement II is correct
3. Statement I is correct; Statement II is incorrect
4. Statement I is incorrect; Statement II is incorrect
Subtopic: Fruits & their Types |
90%
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