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NEET • BIOLOGY • MORPHOLOGY OF FLOWERING PLANTS
Morphology of flowering plants practice · Easy
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31
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In an inflorescence where flowers are borne laterally in an
acropetal succession, the position of the youngest floral bud shall be
acropetal succession, the position of the youngest floral bud shall be
View answer and explanation
Correct option: B
distal
Option B (distal) is correct because in an acropetal succession, the youngest floral bud is located at the distal end.
32
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Agave reproduce mainly by
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Correct option: D
Bulbil
Option D (Bulbil) is correct because Agave reproduces mainly by bulbils, which are vegetative propagules.
33
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The feature not related to family Solanaceae is
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Correct option: D
Incomplete flower with Perianth
Option D (Incomplete flower with Perianth) is correct because Solanaceae typically has complete flowers with calyx and corolla, not incomplete flowers with perianth.
34
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Respiratory roots are found in
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Correct option: D
Mangrove plants
Option D (Mangrove plants) is correct because they grow in swampy areas and possess specialized respiratory roots called pneumatophores.
35
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Which one of the following is the specific xerophytic adaptation?
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Correct option: C
Presence of long tap root system
Option C (Presence of long tap root system) is the correct xerophytic adaptation. Long tap roots help plants access water deep underground in arid environments.
36
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Which of the following is a fatty oil yielding plant?
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Correct option: A
Sunflower
Option A (Sunflower) is correct because sunflower seeds are a well-known source of fatty oil.
37
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Seed coat has …A… layers I. Outer covering is called …B…. . II. Inner covering is called …C… . Complete the given set of statements (I to III) by choosing appropriate options for A to C
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Correct option: B
A-2, B-testa, C-tegmen
Option B (A-2, B-testa, C-tegmen) is correct because the seed coat has two layers, with the outer layer being the testa and the inner layer being the tegmen.
38
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Alternate phyllotaxy is seen in
View answer and explanation
Correct option: C
Mustard
Option C (Mustard) is correct because Mustard exhibits alternate phyllotaxy, where a single leaf arises at each node in an alternating pattern.
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represents ?
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Correct option: A
Superior ovary
Option A (Superior ovary) is correct because the underscore below the 'G' in a floral formula indicates a superior ovary.
40
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The feature not related to family Fabaceae is
View answer and explanation
Correct option: D
Presence of perianth
Option D (Presence of perianth) is correct because while Fabaceae flowers do have a perianth (calyx and corolla), the question asks for a feature NOT related to the family. The presence of a perianth is a general characteristic of many flowering plants, not a unique feature of Fabaceae.
41
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Endospermous seed among these is
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Correct option: A
Castor
Option A (Castor) is correct because castor seeds retain endosperm at maturity, making them endospermous.
42
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Leaf having completely divided lamina broken up into direct segment or leaflets is called
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Correct option: C
Compound leaf
Option C (Compound leaf) is correct because a compound leaf is defined as having a completely divided lamina broken up into distinct segments or leaflets.
43
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In flower, different whorls arranged successively on the swollen end of the pedicel, that swollen end is called:-
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Correct option: A
Thalamus
Option A (Thalamus) is correct because the thalamus is the swollen end of the pedicel where the floral whorls (calyx, corolla, androecium, and gynoecium) are arranged successively.
44
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A plant which lives on another plant but do not take food or anything from plant is called
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Correct option: B
Epiphyte
Option B (Epiphyte) is correct because epiphytes grow on other plants for support but do not derive nutrients from them.
45
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A lateral branch with short internodes and each node bearing a rosette of leaves and a tuft of roots is modified sub-aerial stem for
View answer and explanation
Correct option: C
Vegetative propagation in aquatic plants
The correct answer is C (Vegetative propagation in aquatic plants) because this type of lateral branch modification is commonly found in aquatic plants for vegetative propagation.
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46
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Select the correct pair of statement for cymose type of inflorescence
A. Main axis terminates into flower.
B. Flower are borne in basipetal order.
C. Main axis does not terminates into flower.
D. Flower are borne in acropetal order.
A. Main axis terminates into flower.
B. Flower are borne in basipetal order.
C. Main axis does not terminates into flower.
D. Flower are borne in acropetal order.
View answer and explanation
Correct option: A
A and B only
Option A (A and B only) is correct because in cymose inflorescence, the main axis terminates into a flower, and flowers are borne in a basipetal order.
47
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Which one of the following pair is not correctly matched?
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Correct option: C
Guava - Pepo
Option C (Guava - Pepo) is correct because Guava is a berry, not a pepo. Pepo is a type of berry with a hard rind, characteristic of cucurbits.
48
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Venation is a term used to describe the pattern of arrangement of
View answer and explanation
Correct option: C
Veins and veinlets in a lamina
Option C (Veins and veinlets in a lamina) is correct because venation specifically refers to the arrangement of veins and veinlets within the leaf lamina.
49
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Which of the following is not found in a flower of Brassica?
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Correct option: D
Epipetalous stamens
Option D (Epipetalous stamens) is correct because Brassica (mustard) typically has stamens that are not attached to the petals (not epipetalous). Instead, the stamens are free.
50
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Epiphyllous buds are found in
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Correct option: C
Bryophyllum
Option C (Bryophyllum) is correct because Bryophyllum is known for having epiphyllous buds, which develop on the leaves.
51
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Assertion: Banana is a parthenocarpic fruit
Reason: Banana fruit is formed without fertilization of the ovary
Reason: Banana fruit is formed without fertilization of the ovary
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Correct option: A
Both A and R are true and R is the correct explanation of A
Option A (Both A and R are true and R is the correct explanation of A) is correct because banana is a parthenocarpic fruit, and this is due to the fruit forming without fertilization of the ovary.
52
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The fleshy fruits with hard and stony endocarp are called
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Correct option: A
Drupe
Option A (Drupe) is correct because drupes are fleshy fruits characterized by having a hard, stony endocarp.
53
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Jowar belongs to family
View answer and explanation
Correct option: B
Gramineae/Poaceae
Option B (Gramineae/Poaceae) is correct because Jowar (Sorghum) belongs to the grass family, which is known as Gramineae or Poaceae.
54
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Leaf
View answer and explanation
Correct option: D
All of the above
Option D (All of the above) is correct because a leaf is a lateral, flattened structure born on the stem, a vegetative organ for photosynthesis, and originates from the shoot apical meristem.
55
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Cuscuta is a
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Correct option: A
Parasitic plant
Option A (Parasitic plant) is correct because Cuscuta is a non-green plant that derives its nutrition from other host plants.
56
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Placentation in Tomato and Lemon is
View answer and explanation
Correct option: D
Axile
Option D (Axile) is correct because Tomato and Lemon have placentation where the ovules are attached to a central axis in a multilocular ovary.
57
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Margin of thalamus grows above ovary and fuse with ovary in?
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Correct option: D
Guava
Option D (Guava) is correct because in Guava, the thalamus margin grows above the ovary and fuses with it, making it an inferior ovary.
58
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The plant having monadelphous stamens and axile placentation is
View answer and explanation
Correct option: D
China rose
Option D (China rose) is correct because China rose (Hibiscus) exhibits monadelphous stamens (stamens fused into one bundle) and axile placentation.
59
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Inflorescence is
View answer and explanation
Correct option: A
Composite (multiple) fruit developed from condensed inflorescence
Option A is correct because a composite fruit develops from a condensed inflorescence.
60
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Assertion (A) : In cassia and gulmohur, the aestivation is called Imbricate.
Reason (R) : In Imbricate aestivation, margins of sepals or petals overlap one another in perticular direction.
In the light of the above statements, choose the correct answer from the options given below :
Reason (R) : In Imbricate aestivation, margins of sepals or petals overlap one another in perticular direction.
In the light of the above statements, choose the correct answer from the options given below :
View answer and explanation
Correct option: B
(A) is correct but (R) is not correct
Option B ((A) is correct but (R) is not correct) is correct because the assertion about imbricate aestivation in Cassia and Gulmohur is correct, but the reason incorrectly describes imbricate aestivation.
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 31-60 of 92 questions