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NEET • BIOLOGY • MORPHOLOGY OF FLOWERING PLANTS
Morphology of flowering plants practice · Medium
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Showing 1-30 of 146 questions
1
Medium
1 of 146
Understanding
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Striga Collects
View answer and explanation
Correct option: A
Water and minerals from the host
Option A (Water and minerals from the host) is the correct answer. Striga is a parasitic plant that attaches to the roots of host plants and extracts water and minerals.
2
Medium
2 of 146
Remembering
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Pneumatophores are present in
View answer and explanation
Correct option: A
Mangroves
Option A (Mangroves) is correct because pneumatophores are specialized roots found in mangroves for respiration in waterlogged soils.
3
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Remembering
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When gynoecium is present in the topmost position of thalamus, the flower is known as
View answer and explanation
Correct option: D
Hypogynous
Option D (Hypogynous) is correct because in hypogynous flowers, the gynoecium occupies the topmost position on the thalamus, making the ovary superior.
4
Medium
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Remembering
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Hypanthodium inflorescence is found in
View answer and explanation
Correct option: A
Ficus
Option A (Ficus) is correct because hypanthodium is a characteristic inflorescence found in Ficus species (e.g., fig).
5
Medium
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Application
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A student collected 20 mustard twigs each with 10 nodes, 30 guava twigs each with 20 nodes and 40 calotrophis twigs each with 10 nodes. Calculate total number of leaves he has been collected in his bag?
View answer and explanation
Correct option: C
2200
Option A (1800) is incorrect. The correct calculation is (20 twigs * 10 nodes) + (30 twigs * 20 nodes) + (40 twigs * 10 nodes) = 200 + 600 + 400 = 1200 leaves, assuming one leaf per node. The question asks for the total number of leaves collected, which is equal to the total number of nodes.
6
Medium
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Analyzing
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Identify the plants in correct sequence, which exhibit marcescent calyx, herkogamy,
mucilagenous cavities and inferior ovary respectively.
i. Sphaeranthus ii. Capsicum
iii. Gloriosa iv. Kydia
The correct sequence is
mucilagenous cavities and inferior ovary respectively.
i. Sphaeranthus ii. Capsicum
iii. Gloriosa iv. Kydia
The correct sequence is
View answer and explanation
Correct option: D
ii, iii, iv, i
The correct answer is C (ii, iii, i, iv) because Capsicum exhibits marcescent calyx, Gloriosa exhibits herkogamy, Kydia exhibits mucilaginous cavities, and Sphaeranthus exhibits inferior ovary.
7
Medium
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Remembering
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Scutellum in a caryopsis represents
View answer and explanation
Correct option: D
A cotyledon
Option D (A cotyledon) is correct because the scutellum in a caryopsis is the single cotyledon of the embryo.
8
Medium
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Understanding
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Select how many statements are true for this picture?
A. Found in monocotyledonous plants
B. The primary root is long lived and is assisted by a large number of roots
C. These roots originate from the base of the stem
D. Seen in the wheat plant
A. Found in monocotyledonous plants
B. The primary root is long lived and is assisted by a large number of roots
C. These roots originate from the base of the stem
D. Seen in the wheat plant
View answer and explanation
Correct option: C
Three
Option C (Three) is correct because statements A, C, and D are true for fibrous roots.
9
Medium
9 of 146
Remembering
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Cuticle is absent in
View answer and explanation
Correct option: B
young roots
Option B (young roots) is correct because the cuticle is a waxy layer that is generally absent in young roots to facilitate water and nutrient absorption.
10
Medium
10 of 146
Analyzing
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Select the mismatched pair out of the following.
View answer and explanation
Correct option: C
Sucker – Curcuma domestica, Zingiber officinale
Option C is correct because Sucker is mismatched. Curcuma domestica (Turmeric) and Zingiber officinale (Ginger) are rhizomes, not suckers.
11
Medium
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Analyzing
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Study the following combinations:
(I) Cymose inflorescence - Epipetalous - Solanum
(II) Homochlamydeous - Polyandrous - Allium
(III) Axile placentation - Radical leaves - Smilax
(IV) Zygomorphic - Diadelphous - Butea
(I) Cymose inflorescence - Epipetalous - Solanum
(II) Homochlamydeous - Polyandrous - Allium
(III) Axile placentation - Radical leaves - Smilax
(IV) Zygomorphic - Diadelphous - Butea
View answer and explanation
Correct option: C
(I), (IV)
Option C is correct because combination I (Cymose inflorescence - Epipetalous - Solanum) and combination IV (Zygomorphic - Diadelphous - Butea) are correct.
12
Medium
12 of 146
Understanding
+4 | -1
Flowers, in which only one set of essential organ is present are said to be
View answer and explanation
Correct option: D
Unisexual
Option D (Unisexual) is correct because unisexual flowers contain only one set of essential organs (either stamens or pistils).
13
Medium
13 of 146
Remembering
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All of the following have half inferior ovary, except
View answer and explanation
Correct option: C
Mustard
Option C (Mustard) is correct because Mustard has a superior ovary, while Rose, Plum, and Peach have half-inferior ovaries.
14
Medium
14 of 146
Understanding
+4 | -1
Why is vivipary an undesirable character for annul crop plants?
View answer and explanation
Correct option: B
The seeds cannot be stored under normal conditions for the next season
Option B (The seeds cannot be stored under normal conditions for the next season) is correct because viviparous seeds germinate while still attached to the parent plant, making them unsuitable for storage.
15
Medium
15 of 146
Understanding
+4 | -1
A potato tuber consists of 15 eyes, then the number of nodes and internodes respectively are
View answer and explanation
Correct option: C
15,14
Option C (15,14) is correct because the number of nodes corresponds to the number of eyes (15), and the number of internodes is one less than the number of nodes (14).
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16
Medium
16 of 146
Analyzing
+4 | -1
Which is odd one?
View answer and explanation
Correct option: B
Maize
Option B (Maize) is correct because Maize is a monocot, while China rose, Mango, and Sunflower are dicots.
17
Medium
17 of 146
Understanding
+4 | -1
Angiosperms have dominated the land flora primarily because of their
View answer and explanation
Correct option: A
Power of adaptability in diverse habitat
Option A (Power of adaptability in diverse habitat) is correct because angiosperms' adaptability allows them to thrive in various environments.
18
Medium
18 of 146
Remembering
+4 | -1
Tuberous roots are found in
View answer and explanation
Correct option: C
Ipomoea batatas
Option C (Ipomoea batatas) is correct because Ipomoea batatas, the sweet potato, has tuberous roots which are swollen and fleshy.
19
Medium
19 of 146
Remembering
+4 | -1
When the floral appendages are in multiple of 3, 4, 5, they are respectively called
View answer and explanation
Correct option: A
Trimerous, tetramerous, pentamerous
Option A (Trimerous, tetramerous, pentamerous) is correct because these terms describe flowers with floral appendages in multiples of 3, 4, and 5, respectively.
20
Medium
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Analyzing
+4 | -1
Choose mismatch from the following
View answer and explanation
Correct option: D
Pea – Single stamen in a flower
Option C ((A) is true but (R) is false) is correct because five fused sepals are found in Papilionoideae, but the odd sepal is anterior, not posterior.
21
Medium
21 of 146
Remembering
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Vessels and companion cells are characteristic of
View answer and explanation
Correct option: A
Angiosperm
Option A (Angiosperm) is correct because vessels and companion cells are characteristic features of angiosperms.
22
Medium
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Application
+4 | -1
A plant has an androecium with monadelphous stamens, monothecous and reniform anthers. They corolla exhibits contorted aestivation. The plant could be
View answer and explanation
Correct option: D
Hibiscus
Option D (Hibiscus) is correct because Hibiscus has monadelphous stamens, monothecous and reniform anthers, and contorted aestivation.
23
Medium
23 of 146
Remembering
+4 | -1
Which of the given is medicinal plant of family Fabaceae?
View answer and explanation
Correct option: C
Muliathi
Option C (Muliathi) is correct because Muliathi (Licorice) is a medicinal plant belonging to the Fabaceae family, known for its various medicinal properties.
24
Medium
24 of 146
Understanding
+4 | -1
Which of the following are floral characters of Malvaceae?
View answer and explanation
Correct option: D
Jointed pedicel, bracteate, bracteolate, hermaphrodite, pentamerous, actinomorphic, complete and superior ovary
Option D (Jointed pedicel, bracteate, bracteolate, hermaphrodite, pentamerous, actinomorphic, complete and superior ovary) is correct because it accurately describes the floral characteristics of Malvaceae.
25
Medium
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Remembering
+4 | -1
How many of the given plants have zygomorphic flowers?
Mustard, Datura, Chilli, Gulmohur, Bean
Mustard, Datura, Chilli, Gulmohur, Bean
View answer and explanation
Correct option: C
Two
Option C (Two) is correct because Gulmohur and Bean have zygomorphic flowers, while Mustard, Datura, and Chilli have actinomorphic flowers.
26
Medium
26 of 146
Remembering
+4 | -1
Viscum is a
View answer and explanation
Correct option: D
Partial stem parasite
Option D (Partial stem parasite) is correct because Viscum (mistletoe) is a partial stem parasite, meaning it derives some nutrients from the host stem but can also photosynthesize.
27
Medium
27 of 146
Analyzing
+4 | -1
The triploid number of chromosomes of the first taxon in 10 times more than the haploid number of chromosomes of the second taxon, while the diploid number of the third taxon is six time more than the haploid number of the fourth taxon. Which one of the following shows the ascending order of the number of chromosomes in their respective endosperm?
View answer and explanation
Correct option: B
Allium-Oryza-Nicotiana-Saccharum
The correct answer is B (Allium-Oryza-Nicotiana-Saccharum) because it represents the ascending order of chromosome numbers in the endosperm of the given plants, calculated based on the provided ratios.
28
Medium
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Remembering
+4 | -1
Sorosis is found in
View answer and explanation
Correct option: D
Both (1) and (2)
Option D (Both (1) and (2)) is correct because both jackfruit and mulberry are examples of sorosis fruits.
29
Medium
29 of 146
Remembering
+4 | -1
In Amorphophallus, vegetative reproduction occurs through
View answer and explanation
Correct option: B
Corm
Option B (Corm) is correct because Amorphophallus reproduces vegetatively through corms, which are underground stems.
30
Medium
30 of 146
Analyzing
+4 | -1
Which of the odd type of vegetable in a basket
containing the following?
containing the following?
View answer and explanation
Correct option: B
Potatoes
Option B (Potatoes) is correct because potatoes are modified stems (tubers), while beet roots, carrots, and radishes are modified roots.
Revision notes and key takeaways
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Key Takeaways
- ✓ This set contains 146 single-correct-answer MCQs on MORPHOLOGY OF FLOWERING PLANTS.
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