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Q. No.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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NEET 2025 - Target Batch
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NEET 2025 - Target Batch
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
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NEET 2025 - Target Batch
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Which one of the following plants shows vexillary aestivation and diadelphous stamens?
1. Solanum nigrum
2. Colchicum autumnale
3. Pisum sativum
4. Allium cepa
Subtopic: Families of Flowering Plant: I |
85%
From NCERT
NEET - 2022
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NEET 2025 - Target Batch
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Identify the correct statements related to the androecium in the flower.
| (a) | The sterile stamens are called staminodes |
| (b) | When stamens are attached to petals they are called epipetalous |
| (c) | Monadelphy is seen in China-rose |
| (d) | Polyadelphy is seen in Pea |
| (e) | Variation in the length of anther filaments is seen in Mustard |
Choose the correct answer from the options given below:
1. (a), (c), (d) and (e) only
2. (a) , (b), (c) and (e) only
3. (a) , (b) and (c) only
4. (b) , (c) and (d) only
Subtopic: Flower & Parts of Flower |
77%
From NCERT
NEET - 2022
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NEET 2025 - Target Batch
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Choose the mismatched pair of leaf character with its example:
1. Palmately compound - Alstonia
2. Alternate Phyllotaxy - China-rose
3. Leaf tendril - Pea
4. Opposite phyllotaxy - Calotropis
Subtopic: Venation, Types of Leaves & Phyllotaxy | Modification of Leaf |
76%
From NCERT
NEET - 2022
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NEET 2025 - Target Batch
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