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NEET Biology MCQ
Neet Biology Morphology Of Flowering Plants Mcq
Quiz 19
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Q.1
Cotyledon of maize grain is called :- …[AIPMT-2016]
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a) plumule
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b) coleorhiza
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c) coleoptile
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d) scutellum
Explanation
Answer:(d)
Q.2
Stems modified into flat green organs performing the functions of leaves are known as :- …[AIPMT-2016]
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a) Cladodes
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b) Phyllodes
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c) Phylloclades
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d) Scales
Explanation
Answer:(c)
Q.3
Among bitter gourd, mustard, brinjal, pumpkin, china rose, lupin, cucumber, sunnhemp, gram, guava, bean, chili, plum, petunia, tomato, rose, withania, potato, onion, aloe and tulip how many plants have hypogynous flower? [NEET 2013]
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a) Six
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b) Ten
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c) Fifteen
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d) Eighteen
Explanation
Answer:(c)
Q.4
In China rose the flowers are …[NEET 2013]B22
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a) Actinomorphic, hypogynous with twisted aestivation
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b) Actinomorphic, epigynous with valvate aestivation
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c) Zygomorphic, hypogynous with imbricate aestivation
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d) Zygomorphic, epigynous with twisted aestivation
Explanation
Answer:(a)
Q.5
Seed coat is not thin, membranous in …[NEET 2013]
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a) Maize
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b) Coconut
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c) Groundnut
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d) Gram
Explanation
Coconut–Thick Groundnut, gram, Maize–thin, membranous Answer:(b)
Q.6
The term 'polyadelphous' is related to :- …[NEET 2016]
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a) Corolla
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b) Calyx
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c) Gynoecium
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d) Androecium
Explanation
Answer:(d)
Q.7
How many plants among Indigofera, Sesbania, Salvia, Allium, Aloe, mustard, groundnut, radish, gram and turnip have stamens with different lengths in their flowers ? …[NEET 2016]B22
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a) Five
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b) Six
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c) Three
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d) Four
Explanation
Answer:(d)
Q.8
Radial symmetry is found in the flowers of :- …[NEET 2016]
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a) Pisum
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b) Cassia
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c) Brassica
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d) Trifolium
Explanation
Answer:(c)
Q.9
Free-central placentation is found in :- …[NEET 2016]B22
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a) Brassica
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b) Citrus
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c) Dianthus
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d) Argemone
Explanation
Answer:(c)
Q.10
Coconut fruit is a ….[NEET- 2017]
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a) Drupe
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b) Berry
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c) Nut
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d) Capsule
Explanation
Answer:(a)
Q.11
In Bougainvillea thorns are the modifications of ….[NEET- 2017]
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a) Stipules
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b) Adventitious root
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c) Stem
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d) Leaf
Explanation
Thorns are hard, pointed straight structures for protection. These are modified stem Answer:(c)
Q.12
The morphological nature of the edible part of coconut is ….[NEET- 2017]
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a) Perisperm
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b) Cotyledon
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c) Endosperm
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d) Pericarp
Explanation
Coconut has double endosperm with liquid endosperm and cellular endosperm. Answer:(c)
Q.13
Axile placentation is present in : [ ReAIPMT 2015]
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a) Argemone
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b) Dianthus
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c) Lemon
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d) Pea
Explanation
Answer:(c)
Q.14
The wheat grain has an embryo with one large, shield-shaped cotyledon known as : [ ReAIPMT 2015]
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a) Coleoptile
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b) Epiblast
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c) Coleorrhiza
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d) Scutellum
Explanation
Answer:(d)
Q.15
exillary aestivation is characteristic of the family:
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a) Asteraceae
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b) Solanaceae
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c) Brassicaceae
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d) Fabaceae
Explanation
Answer:(d)
Q.16
Among china rose, mustard, brinjal, potato, guava, cucumber, onion and tulip, how many plants have superior ovary? [ ReAIPMT 2015]
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a) Four
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b) Five
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c) Six
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d) Three
Explanation
Answer:(c)
Q.17
Sweet potato is a modified … …[NEET 2018]
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a) Stem
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b) Adventitious root
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c) Tap root
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d) Rhizome
Explanation
Answer : (b)
Q.18
The plant parts which consist of two generations - one within the other (a) Pollen grains inside the anther (b) Germinated pollen grain with two male gametes (c) Seed inside the fruit (d) Embryo sac inside the ovule [NEET 2020]
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a) (c) and (d)
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b) (a) and (d)
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c) (a) only
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d) (a), (b) and (c)
Explanation
Answer:(b)
Q.19
Placentation in which ovules develop on the inner wall of the ovary or in peripheral part, is ... [ NEET 2019]
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a) Basal
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b) Axile
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c) Parietal
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d) Free central
Explanation
In parietal placentation the ovules develop on the inner wall of ovary or in peripheral part. eg. Mustard, Argemone etc. Answer:(c)
Q.20
Sweet potato is a modified ... ..[NEET 2018]
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a) Tap root
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b) Adventitious root
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c) Stem
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d) Rhizome
Explanation
Answer:(b)
Q.21
The main function(s) of root system is/are
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a) absorption of water and minerals from the soil
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b) storing reserve food material
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c) synthesis of plant growth regulators
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d) All of the above
Explanation
Answer:(d)
Q.22
In flower (X), the gynoecium occupies the highest position while the other parts are situated below it. The ovary in such flowers is said to be Y. Identify X and Y and select the correct option.
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a) X - Epigynous, Y - Inferior
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b) X - Perigynous, Y - Superior
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c) X - Hypogynous, Y - Superior
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d) X - Perigynous, Y - Half-inferior
Explanation
Hypogynous flowers (Superior ovary): In this, the ovary occupies the highest position on the thalamus while other floral parts are situated below it. In such flowers, the ovary is superior. E.g., China rose, mustard etc. Perigynous flowers (Half inferior ovary): In this, the ovary is situated at the centre and other floral parts are arranged on the rim of the thalamus. The ovary here is said to be half inferior. E.g., plum, rose, peach. Epigynous flowers (Inferior ovary): In this, the thalamus grows around the ovary fusing with its wall. The other floral parts are present above the ovary. Hence, the ovary is said to be inferior. E.g., flowers of guava and cucumber. Answer:(c)
Q.23
Identify the inflorescence shown by the given figures A and B.
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a) A-Cymose, B-Racemose
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b) A-Racemose, B-Cymose
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c) A-Racemose, B-Racemose
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d) A-Cymose, B-Cymose
Explanation
Answer:(b)
Q.24
Match column I with column II and choose the correct option.
Column-I
Column-II
A. Bud in the axil of leaf
I. Pitcher plant and Venus fly trap
B. Outer layer of seed coat
II. Cacti
C. Spines (modified leaves)
III. Testa
D. Leaves modified to catch insects
IV. Simple leaf
E. Fleshy leaves with stored food
V. Garlic and onion
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a) A -I, B -II, C - III, D - IV, E- V
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b) A- V, B- IV, C- III, D - II, E - I
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c) A - IV, B - III, C - II, D - I, E - V
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d) A - IV, B - II, C - III, D - I, E - V
Explanation
Answer:(c)
Q.25
Statement-1 : Ginger has a prostrate-growing rhizome. Statement-2 : Shoot growth is not effected by gravity.
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a) Statement-1 and statement-2 are true and Statement-2 is a correct explanation for statement-1.
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b) Statement-1 and statement-2 are true but statement-2 is a correct explanation for statement-1.
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c) Statement-1 is true and statement-2 is false.
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d) Both the statements are false.
Explanation
Answer:(b)
Q.26
Which of the following statement (s) is/are not correct?Calyx and corolla are reproductive organs of a flower.Zygomorphic flower can be divided into two equal radial halves in any radial plane.Flowers without bracts are termed as abracteate.Parthenocarpic fruit is formed after fertilization of the ovary.In legumes, seed is non-endospermic.Radical buds develop on roots.
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a) (i) , (ii), (iii) and (iv)
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b) (i), (ii) and (v)
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c) (iii), (iv) and (vi)
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d) (iv), (v) and (i)
Explanation
Answer:(a)
Q.27
Which of the following statement(s) is/are correct about the fruit?Fruit is a mature or ripened ovary, developed before fertilization.It consists of a wall or pericarp and seeds.When pericarp is thick and fleshy, it is differentiated into outer mesocarp, middle epicarp and the inner endocarp.In mango and coconut, the fruit is known as a berry.
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a) Only (i)
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b) Both (ii) and (iii)
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c) Only (ii)
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d) All of these
Explanation
Answer:(c)
Q.28
Statement 1 : A simple leaf has undivided lamina. Statement 2 : Leaves showing pinnate and palmate venations have various type of incisions.
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a) Statement-1 and statement-2 are true and statement-2 is a correct explanation for statement -1.
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b) Statement -1 and statement -2 are true but statement-2 is not a correct explanation for statement-1.
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c) Statement-1 is true and statement-2 is false.
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d) Both the statements are false.
Explanation
Answer:(b)
Q.29
Which type of function is performed by the fleshy leaves of onion and garlic?
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a) Storage
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b) Reproduction
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c) Photosynthesis
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d) Protection
Explanation
Answer:(a)
Q.30
An underground stem in which food is stored in bulblet is:
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a) Solanum tuberosum.
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b) Allium cepa.
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c) Allium sativum.
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d) Amorphophallous.
Explanation
Answer:(c)
Q.31
The placentation in china rose, tomato and lemon is:
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a) Marginal.
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b) Axile.
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c) Parietal.
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d) Free central.
Explanation
Answer:(b)
Q.32
A monocarpic plant is:
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a) Mangifera indica.
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b) Saccharum officinarium.
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c) Bambusa.
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d) Alnus.
Explanation
Answer:(c)
Q.33
In Australian acacia, which of the following part of the plant becomes green and synthesises food?
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a) Stem.
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b) Leaves.
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c) Petiole.
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d) Internodes.
Explanation
Answer:(c)
Q.34
The mature seeds of plants such as gram and peas, possess no endosperm, because
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a) these plants are not angiosperms.
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b) there is no double fertilization in them.
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c) endosperm is not formed in them.
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d) endosperm gets used up by the developing embryo during seed development.
Explanation
Answer:(d)
Q.35
Rearrange the following zones seen in the regions of root tip and choose the correct option. (A) Root hair zone (B) Zone of meristem (C) Root cap zone (D) Zone of maturation (E) Zone of elongation
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a) C, B, E, A, D
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b) A, B, C, D, E
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c) D, E, A, C, B
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d) E, D, C, B, A
Explanation
Answer:(a)
Q.36
Identify the kind of phyllotaxy shown in the given figures A, B, and C.
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a) A-Alternate, B - Opposite, C - Whorled
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b) A- Whorled, B - Opposite, C -Alternate
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c) A-Alternate, B - Whorled, C - Opposite
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d) A-Whorled, B -Alternate, C - Opposite
Explanation
Answer:(a)
Q.37
Leaves of dicotyledonous plants possess _________ venation, while _________ venation is the characteristic of most monocotyledons.
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a) reticulate and parallel
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b) parallel and reticulate
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c) reticulate and perpendicular
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d) obliquely and parallel
Explanation
The arrangement of veins in a leaf is called the venation pattern; monocots have parallel venation, while dicots have reticulate venation. Answer:(a)
Q.38
hich one is a source of commercially important product Syzygium aromatticum?
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a) Flower bud
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b) Axillary bud
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c) Thalamus
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d) Peduncle
Explanation
Answer:(a)
Q.39
This floral formula represent:
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a) Tulip.
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b) Tobacco.
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c) Withania.
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d) Sunhemp.
Explanation
Answer:(a)
Q.40
Alstonia is an example of;
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a) Whorled phyllotaxy.
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b) Alternate phyllotaxy.
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c) Opposite superposed.
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d) Opposite decussate.
Explanation
Answer:(a)
Q.41
Which among the following is not a distinguishing character of Solanaceae?
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a) Bicarpellary, syncarpous ovary with axile placentation.
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b) Persistent calyx and epipetalous stamen.
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c) Diadelphous Androecium and zygomorphic flower.
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d) Oblique ovary and swollen placenta.
Explanation
Answer:(c)
Q.42
The roots of a turnip plant are swollen and fleshy because
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a) They store water.
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b) They are swollen to give extra strength to the root system
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c) They store food.
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d) None of the above.
Explanation
Answer:(c)
Q.43
Identify this plant modification and Select the correct option
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a) Sweet potato – simple tuberous root
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b) Dahlia – fasciculated tuberous root
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c) Asparagus - simple tuberous root
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d) Beet – tap root
Explanation
Answer:(b)
Q.44
Match list I with list II and select the correct answer using the codes given below the lists.
List I
List II
P. Total stem parasite
I Loranthus
Q. Assimilatory root
II Pothos
R. clinging root
III Tinospora
S. partial parasite
IV cuscuta
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a) P= IV ; Q = II; R = III ; S = I
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b) P= IV ; Q = III; R = II ; S = I
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c) P= II ; Q = III; R = I ; S = IV
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d) P= II ; Q = IV; R = III ; S = I
Explanation
Answer:(b)
Q.45
Which of the following is a wrong pairing?
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a) Raceme - Mustard
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b) spike - Achyranthus
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c) compound umbel - Onion
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d) spadix – musa
Explanation
Answer:(c)
Q.46
Modified stem of _______ protect the plant from grazing animal.
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a) Datura festuosa
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b) Aloe vera
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c) Gloriosa superba
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d) Carissa carandus
Explanation
Answer:(d)
Q.47
A composite or multiple fruit develops from :
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a) Polycarpellary ovary
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b) Bicarpellary and syncarpous ovary
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c) Apocarpous ovary
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d) Inflorescence
Explanation
Answer:(d)
Q.48
Aleurone layer of maize grain is specially rich in:
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a) Proteins.
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b) Starch.
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c) Lipids.
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d) Both B and C.
Explanation
Answer:(a)
Q.49
Identify the incorrect matching pair with regard to the edible part:
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a) Coconut – Endosperm.
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b) Papaya – Mesocarp.
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c) Mango – Epicarp.
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d) Apple – Fleshy thalamus.
Explanation
Answer:(c)
Q.50
The given figure shows the parts of mango and coconut. Choose the option which shows the correct labelling of A, B, C and D marked in the figures.
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a) A - Epicarp, B - Mesocarp, C - Seed, D - Endocarp
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b) A - Epicarp, B - Mesocarp, C - Ovule, D - Endocarp
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c) A - Epicarp, B - Mesocarp, C - Ovary, D - Endocarp
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d) A - Epicarp, B - Mesocarp, C - Embryo, D - Endocarp
Explanation
Answer:(a)
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