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NEET • BIOLOGY • MORPHOLOGY OF FLOWERING PLANTS
Morphology of flowering plants practice · Easy
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61
Easy
61 of 92
Remembering
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Which of the following is not a character of a monocot?
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Correct option: D
Floral parts as multiples of four or five
Option D (Floral parts as multiples of four or five) is correct because this is a characteristic of dicots, not monocots.
62
Easy
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What is NOT true regarding pea plant ?
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Correct option: C
Stem tendrils
The correct answer is C (Stem tendrils) because pea plants have leaf tendrils, not stem tendrils.
63
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In Acacia species, the first few leaves are pinnately compound. Then there are leaves with flattened petiole and fewer pinnae. The leaves of adult plant has parallel veined flattened petiole and no pinnae. It shows that
View answer and explanation
Correct option: A
Leaves of adult plant are reduced to phyllodes while those of the seedling are unreduced
Option A (Leaves of adult plant are reduced to phyllodes while those of the seedling are unreduced) is correct because Acacia species often exhibit a transition from pinnately compound leaves in seedlings to phyllodes (modified petioles) in adult plants.
64
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Inflorescence is recemose in?
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Correct option: D
Soyabean
Option D (Soyabean) is correct because Soyabean exhibits racemose inflorescence, where flowers are borne along an elongated axis in an acropetal manner.
65
Easy
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Remembering
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Which of the following plants has the floral characters like zygomorphic flower, vexillary aestivation, diadelphous androecium and marginal placentation?
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Correct option: A
Pisum
Option A (Pisum) is correct because it exhibits all the mentioned floral characteristics: zygomorphic flower, vexillary aestivation, diadelphous androecium, and marginal placentation, which are characteristic features of the Fabaceae family to which Pisum belongs.
66
Easy
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Velamen tissue is found in
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Correct option: B
Epiphytes
Option B (Epiphytes) is correct because velamen tissue is a specialized tissue found in the roots of epiphytes, which helps them absorb moisture from the air.
67
Easy
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Okra has
(a) Tap root system
(b) Stipulated leaves with alternate phyllotaxy
(c) Zygomorphic flowers
(d) Schizocarp type of fruit
Choose the correct option
(a) Tap root system
(b) Stipulated leaves with alternate phyllotaxy
(c) Zygomorphic flowers
(d) Schizocarp type of fruit
Choose the correct option
View answer and explanation
Correct option: A
All are correct except c
Option A (All are correct except c) is correct because Okra has a tap root system, stipulated leaves with alternate phyllotaxy, and a schizocarp type of fruit, but its flowers are actinomorphic, not zygomorphic.
68
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Keel petals in fabaceae are?
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Correct option: D
Small and anterior
Option D (Small and anterior) is correct because in Fabaceae, the keel petals are the two innermost petals, which are small and fused, forming a boat-shaped structure located anteriorly.
69
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Root system that develops directly from the radicle
of seedling is called
of seedling is called
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Correct option: B
Tap root
Option B (Tap root) is correct because the tap root system develops directly from the radicle of the seedling.
70
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The placenta is attached to the developing seed near the
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Correct option: B
Hilum
Option B (Hilum) is correct because the hilum is the scar on the seed where it was attached to the placenta.
71
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Drupes are called stony fruits because they have hard
View answer and explanation
Correct option: D
Endocarp
Option D (Endocarp) is correct because drupes are characterized by having a hard, stony endocarp that surrounds the seed.
72
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Statement I: The fibrous root system is better adapted than the tap root system for anchorage to the soil.
Statement II: The primary root and its branches constitute top root system.
Statement II: The primary root and its branches constitute top root system.
View answer and explanation
Correct option: A
Both statement I and II are correct.
Option A (Both statement I and II are correct) is the correct answer. Fibrous roots are indeed better for anchorage, and tap root systems consist of a primary root and its branches.
73
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Which of the following statement(s) is/are correct about calyx?
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Correct option: D
All of these
Option D (All of these) is correct because all the statements about the calyx are accurate.
74
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Ginger is an underground stem. It is distinguished from root because it
View answer and explanation
Correct option: C
Has nodes and internodes
The correct answer is C (Has nodes and internodes) because the presence of nodes and internodes distinguishes a stem from a root.
75
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Select the incorrect statement w.r.t. main functions of root system.
View answer and explanation
Correct option: B
Synthesis and storage of food
Option B (Synthesis and storage of food) is the incorrect statement. While roots can store food, they are not primarily involved in its synthesis. Leaves are the primary site of photosynthesis.
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76
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Remembering
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Root pockets are seen in?
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Correct option: A
Pistia
Option A (Pistia) is correct because Pistia (water lettuce) has root pockets for buoyancy and protection.
77
Easy
77 of 92
Understanding
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Study the following statements. I.Food is stored in the leaf bases. II.Buds develop from leaf apices. III.Presence of tunicated bulb. Identify the correct combination with reference to Scilla.
View answer and explanation
Correct option: A
I, II and III are correct
Option A (I, II and III are correct) is correct because Scilla stores food in leaf bases, develops buds from leaf apices, and has a tunicated bulb.
78
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How many organisms in the list given below are autotrophs? Lactobacillus, Nostoc, Chara, Nitrosomonas, Nitrobacteria, Streptomyces, Saccharomyces, Trypanosoma, Porphyra, Wolffia
View answer and explanation
Correct option: D
Six
Option D (Six) is correct because Nostoc, Chara, Nitrosomonas, Nitrobacteria, Porphyra, and Wolffia are autotrophs.
79
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Understanding
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Identify the incorrect match.
View answer and explanation
Correct option: D
Actinomorphic – Gulmohar
Option D (Actinomorphic – Gulmohar) is the incorrect match because Gulmohar is zygomorphic, not actinomorphic.
80
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The smallest Angiospermic flower is
View answer and explanation
Correct option: A
Wolffia
Option A (Wolffia) is correct because Wolffia is the smallest angiosperm and has the smallest flowers.
81
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Which is true about bulbils in Agave
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Correct option: D
All the above
The correct answer is D (All the above) because bulbils in Agave are modified floral buds, germinate on the inflorescence, and exhibit vivipary.
82
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Understanding
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Read the folowing characteristics and choose the family which shows them.
(a) Stem can be erect, branched and cylindrical.
(b) Bracteate or ebracteate bisexual flowers.
(c) Presence of monoadelphous, monothecous anther.
(d) Dry, capsule type of fruit.
(a) Stem can be erect, branched and cylindrical.
(b) Bracteate or ebracteate bisexual flowers.
(c) Presence of monoadelphous, monothecous anther.
(d) Dry, capsule type of fruit.
View answer and explanation
Correct option: A
Malvaceae
Option A (Malvaceae) is correct because the characteristics listed (erect stem, bisexual flowers, monoadelphous stamens, capsule fruit) are all features of the Malvaceae family.
83
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Remembering
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Which of the following plant parts in garlic and onion are edible?
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Correct option: B
Fleshy leaves
Option B (Fleshy leaves) is correct because the edible parts of garlic and onion are the fleshy leaves, which store food.
84
Easy
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Find odd one w.r.t. modification of stem
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Correct option: B
Pistia
Option B (Pistia) is correct because Pistia is a modification of a leaf (offset), while Banana, Ginger, and Turmeric are modifications of the stem.
85
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Understanding
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Statement I: Petiole of Nepenthes help in photosynthesis and climbing.
Statement II: Lower part of the Petiole is modified to phyllode and upper part is tendrillar in Nepenthes.
Statement II: Lower part of the Petiole is modified to phyllode and upper part is tendrillar in Nepenthes.
View answer and explanation
Correct option: A
Both I and II are true
Option A (Both I and II are true) is correct because the petiole of Nepenthes aids in photosynthesis and climbing, with the lower part modified into a phyllode and the upper part into a tendril.
86
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Assertion (A) :Leaf are converted into tendril for climbing as in pea or into spines for defence as in cacti.
Reason (R) : In compound leaf incisions of the lamina reach upto the midrib breaking into a number of leaflet.
In the light of the above statements, choose the correct answer from the options given below:
Reason (R) : In compound leaf incisions of the lamina reach upto the midrib breaking into a number of leaflet.
In the light of the above statements, choose the correct answer from the options given below:
View answer and explanation
Correct option: A
Both (A) and (R) are true but (R) is not the correct explanation of (A)
Option A (Both (A) and (R) are true but (R) is not the correct explanation of (A)) is correct because both the assertion and reason are true, but the reason does not explain why leaves modify into tendrils or spines.
87
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Assertion (A) Root cap protects the root meristem from the
friction of the soil and its outer cells are continuously
replaced by newer ones
Reason (R) Effect of the soil friction damages the outer
cells of root cap, which are peeled off and replaced by new
cells produced by root meristem.
friction of the soil and its outer cells are continuously
replaced by newer ones
Reason (R) Effect of the soil friction damages the outer
cells of root cap, which are peeled off and replaced by new
cells produced by root meristem.
View answer and explanation
Correct option: A
If both A and R are true and R is the correct explanation
of A.
of A.
Option A (If both A and R are true and R is the correct explanation of A) is correct because the root cap protects the root meristem, and its outer cells are continuously replaced due to soil friction.
88
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Parthenogenesis is observed in all except
View answer and explanation
Correct option: C
Banana
Option C (Banana) is correct because bananas exhibit parthenocarpy, which is the development of fruit without fertilization, whereas the other options can exhibit parthenogenesis.
89
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Onion is an example for
View answer and explanation
Correct option: A
Umbel
Option A (Umbel) is correct because the onion flower arrangement is a characteristic umbel inflorescence.
90
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Which of the following statement(s) is/are correct about the fruit?
(i) Fruit is a mature or ripened ovule, developed before fertilization.
(ii) It consists of a wall or pericarp and seeds.
(iii) When pericarp is thick and dry, it is differentiated into outer mesocarp, middle epicarp and inner endocarp.
(i) Fruit is a mature or ripened ovule, developed before fertilization.
(ii) It consists of a wall or pericarp and seeds.
(iii) When pericarp is thick and dry, it is differentiated into outer mesocarp, middle epicarp and inner endocarp.
View answer and explanation
Correct option: C
Only (ii)
Option C (Only (ii)) is correct because a fruit is a mature or ripened ovary, not ovule, developed after fertilization, and the pericarp can be differentiated into epicarp, mesocarp, and endocarp when thick and fleshy, not when dry.
Revision notes and key takeaways
Review MORPHOLOGY OF FLOWERING PLANTS in your textbook or class notes, then use this set to check your understanding.
Showing 61-90 of 92 questions