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Q. No.The type of placentation shown in the given diagram is not seen in:
1.
Mustard
2.
China rose
3.
Tomato
4.
Lemon
Subtopic: Flower & Parts of Flower |
69%
From NCERT
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Identify the incorrectly matched pair:
| 1. | Pericarp | Wall of the fruit |
| 2. | Perisperm | Residual, persistent nucellus |
| 3. | Perigynous | A flower with superior ovary |
| 4. | Perianth | Floral structure comprised of calyx and corolla especially when the two whorls are fused |
Subtopic: Fruits & their Types |
88%
From NCERT
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Offsets, sub-aerial modifications of stem, are produced by
1. Meiotic divisions
2. Mitotic divisions
3. Parthenocarpy
4. Parthenogenesis
1. Meiotic divisions
2. Mitotic divisions
3. Parthenocarpy
4. Parthenogenesis
Subtopic: Aerial Stem Modification |
74%
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Identify the correct statement(s) regarding the modifications seen in stems:
| I: | Stem tendrils develop from axillary buds and help plants, such as pea, to climb |
| II: | Opuntia modifies its stems into flattened structures to protect itself from browsing animals |
| III: | Underground stems of some plants such as grass and strawberry spread to new niches and when older plants die, new plants are formed. |
| 1. | I, II, and III |
| 2. | Only II and III |
| 3. | Only III |
| 4. | Only I and III |
Subtopic: Modifications of Stem |
From NCERT
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In cymose type of inflorescence:
| 1. | the main axis terminates in a flower and flowers are borne in basipetal order |
| 2. | the main axis continues to grow and the flowers are borne laterally in an acropetal order |
| 3. | the main axis terminates in a flower and flowers are borne in an acropetal order |
| 4. | the main axis continues to grow and the flowers are borne laterally in basipetal order |
Subtopic: Inflorescence |
86%
From NCERT
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Consider the following statements about Mustard:
| I: | Its ovary is one-chambered but becomes two-chambered due to formation of a false septum |
| II: | There may be variation in the length of filaments within its flowers |
| III: | Its flower is zygomorphic |
| IV: | Its flowers are located at the rim of the thalamus almost at the same level |
| 1. | Only I and II are correct |
| 2. | All I, II, III and IV are correct |
| 3. | Only I, III and IV are correct |
| 4. | Only I, II and III are correct |
Subtopic: Flower & Parts of Flower |
73%
From NCERT
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Match each item in Column 1 with an item in Column 2:
| Column 1 | Column 2 | ||
| A | Outer layer of the seed coat | P | Coleoptile |
| B | Inner layer of the seed coat | Q | Tegmen |
| C | Sheath enclosing the plumule | R | Coleorhiza |
| D | Sheath enclosing the radicle | S | Testa |
| A | B | C | D | |
| 1. | Q | S | P | R |
| 2. | S | Q | P | R |
| 3. | S | Q | R | P |
| 4. | Q | S | R | P |
Subtopic: Seed |
83%
From NCERT
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Colchicum autumnale:
1. is non-endospermous
2. has dithecous anther
3. has reticulate venation
4. exhibits axile placentation
1. is non-endospermous
2. has dithecous anther
3. has reticulate venation
4. exhibits axile placentation
Subtopic: Semi Technical Description |
58%
From NCERT
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The flowers are Zygomorphic in:
a. Mustard
b. Gulmohar
c. Cassia
d. Datura
e. Chilly
Choose the correct answer from the options given below:
1. c, d, e only
2. a, b, c only
3. b, c only
4. d, e only
a. Mustard
b. Gulmohar
c. Cassia
d. Datura
e. Chilly
Choose the correct answer from the options given below:
1. c, d, e only
2. a, b, c only
3. b, c only
4. d, e only
Subtopic: Flower & Parts of Flower |
82%
From NCERT
NEET - 2022
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Identify the correct set of statements:
| (a) | The leaflets are modified into pointed hard thorns in Citrus and Bougainvillea. |
| (b) | Axillary buds form slender and spirally coiled tendrils in cucumber and pumpkin. |
| (c) | Stem is flattened and fleshy in Opuntia and modified to perform the function of leaves. |
| (d) | Rhizophora shows vertically upward growing roots that help to get oxygen for respiration. |
| (e) | Subaerially growing stems in grasses and strawberry help in vegetative propagation. |
Choose the correct answer from the options given below:
1. (a), (b), (d), and (e) only
2. (b), (c) only
3. (a), (d) only
4. (b), (c), (d) and (e) only
Subtopic: Modifications of Stem |
66%
From NCERT
NEET - 2022
To view explanation, please take trial in the course.
NEET 2025 - Target Batch
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