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NEET Biology MCQ
Neet Biology Morphology Of Flowering Plants Mcq
Quiz 22
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Q.1
Perianth is found in a flower in which :
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a) Calyx and Corolla are not distinguishable
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b) Stamens are leaf like
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c) Corolla leaf- like but calyx is colored
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d) None of the above
Explanation
Answer:(a)
Q.2
Stipular tendril modification is found in : (Pb. PMT2001)
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a) Smilex
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b) Pea
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c) Guava
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d) Mimosa pudica
Explanation
Answer:(a)
Q.3
In a compound umbel each umbellate is subtended by:
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a) Involucre
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b) Bracket
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c) Involucel
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d) Bracteole
Explanation
Answer:(b)
Q.4
Water inside a coconut is : (Manipal PMT 1995)
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a) Liquid endosperm
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b) Liquid endocarp
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c) Liquid Mesocarp
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d) Liquid Nucleus
Explanation
Answer:(a)
Q.5
Which one of the following is not a characteristic of root:
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a) Presence of root tap
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b) Presence of unicellular hair
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c) Presence of chlorophyll
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d) Absence of buds
Explanation
Answer:(c)
Q.6
Root that grow from any part of the plant body other than the radical are called? (AFMC 2010)
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a) Tap root
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b) Adventitious root
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c) Modified roots
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d) Aerial roots
Explanation
Answer:(b)
Q.7
Which of these characters do not belong to Compositae?( CPMT,1991)
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a) Ligulate ray flowers
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b) Basal ovules
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c) Syngenesious stamens
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d) Five lobed stigma
Explanation
Answer:(d)
Q.8
The correct match for Branching
Colum I
Colum II
(P) Mirabilis
I sympodial
(Q) Polyalthea
II dichotomous
(R) Vitis
III monopodial axis
(S) Hyphaene
IV Cymose
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a) (P)-III, (Q) – IV, (R)-I, (S)-II
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b) (P)-I, (Q)- IV, (R)- III, (S)- II
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c) (P) - IV ,(Q) - III (R)-I, (S)-II
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d) (P)-IV (Q)- III, (R)- II , (S)- I
Explanation
Answer:(c)
Q.9
Choose the correct option by given diagram :
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a) Scorpioid - Heliotropium
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b) Scorpioid - Hamelia
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c) Spike - Achyranthus
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d) Spike – musa
Explanation
Answer:(a)
Q.10
nflorescence with single central achlamydeous female flower surrounded by a number of achlamydeous male flowers is:
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a) Cyathium.
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b) Vesticillaster.
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c) Spadix.
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d) Hypanthodium.
Explanation
Answer:(a)
Q.11
Opposite simple leaves with reticulate venation is present in:
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a) Nerium.
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b) China rose.
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c) Calotropis.
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d) Neem.
Explanation
Answer:(c)
Q.12
The region of the root-tip whose cells undergo rapid elongation and enlargement and are responsible for the growth of the root in length is called the
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a) region of maturation.
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b) region of elongation.
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c) region of meristematic activity.
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d) root-hairs.
Explanation
Answer:(b)
Q.13
The given figures (A & B) show two types of compound leaves. Choose the option which identity the correct compound leaf and their example (C).
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a) A - Pinnately compound leaf, C - Neem
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b) A - Palmately compound leaf, C - Neem
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c) B- Pinnately compound leaf, C - Silk cotton
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d) none of these
Explanation
Answer:(a)
Q.14
Which part of plant is generally green when young and later often become woody and dark brown?
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a) stem
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b) seed
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c) leaves
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d) flower
Explanation
Answer:(a)
Q.15
Which of the following is the green expanded part of leaf with vein and veinlets?
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a) Petiole
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b) Node
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c) Stipule
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d) Lamina
Explanation
Answer:(d)
Q.16
Pappus helps in dispersal of pollen in
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a) Asteraceae
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b) Brassicaceae
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c) Malvaceae
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d) Solanaceae
Explanation
Answer:(a)
Q.17
How many of the given plants bear Trimerous condition in flower: Glory lily, Groundnut, Indigofera, Tobacco, Aswagandha, Tulip, Moong, Smilax, Red chilli, Sunhemp, Aloe, Pea.
0%
a) 6
0%
b) 4
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c) 5
0%
d) 3
Explanation
Answer:(b)
Q.18
Common feature of the stems of Potato, ginger, turmeric and zaminkand:
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a) Weak.
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b) Woody.
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c) Photosynthetic.
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d) Underground stems, which store food in them.
Explanation
Answer:(d)
Q.19
Which among the following root is of adventitious origin? (i) Storage root of tapioca. (ii) Conical root of carrot. (iii) Pneumatophores of Rhizophora. (iv) Prop roots of banyan tree.
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a) (i) and (ii).
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b) (ii) and (iii).
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c) (i) and (iv).
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d) (i), (iii) and (iv).
Explanation
Answer:(c)
Q.20
The placentation type in which ovules are arranged in a Multicarpellary, syncarpous, unilocular ovary is:
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a) Parietal.
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b) Marginal.
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c) Axile.
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d) Both (A) and (C).
Explanation
Answer:(a)
Q.21
Identify the plant with multilocular ovary:
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a) Cucumber.
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b) Cashew.
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c) China rose.
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d) Chilli.
Explanation
Answer:(c)
Q.22
In one plant, underground stems are modified to store food and in another plant, the stem tendrils develop from Axillary buds to help plant climb, they are:
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a) Ginger and cucumber.
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b) Carrot, jasmine.
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c) Sweet potato, bougainvillaea.
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d) Opuntia, Eichhornia.
Explanation
Answer:(a)
Q.23
In marginal placentation, the placenta forms a ridge along the:
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a) Ventral suture of the ovary
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b) Dorsal suture of the ovary
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c) Anterior suture of the ovary
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d) Posterior suture of the ovary.
Explanation
Answer:(a)
Q.24
Find out the correct matched pairs as to aestivation of petals: (i) Valvate – Calotropis. (ii) Twisted – Bean. (iii) Imbricate – Cassia. (iv) Vexillary – China rose.
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a) (ii) and (iv).
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b) (i) and (iii).
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c) (ii) and (iii).
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d) (i) and (iv).
Explanation
Answer:(b)
Q.25
Select the true statements regarding stem: (i) Stem is the ascending part of the axis bearing branches, leaves, flowers and fruits. (ii) The region of the stem where leaves are borne are called internodes. (iii) It develops from the radicle of the embryo of a germinating seed. (iv) Stems also perform the function of storage of food, support, protection and of vegetative propagation. (v) Stems also act as organs which help plants to climb.
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a) (ii), (iii) and (v) only.
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b) (i) and (iv) only.
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c) (i), (iv) and (v) only.
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d) (ii) and (v) only.
Explanation
Answer:(c)
Q.26
In a Pinnately compound leaf, a number of leaves are present on a common axis called as:
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a) Rachis.
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b) Stipule.
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c) Bract.
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d) Nodes.
Explanation
Answer:(a)
Q.27
Name the family with contorted petals:
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a) Solanaceae.
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b) Fabaceae.
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c) Malvaceae.
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d) Lilliaceae.
Explanation
Answer:(c)
Q.28
Which of the following is/are wrong regarding drupe?
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a) Always develops from inferior ovary.
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b) Always develops from superior ovary.
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c) Endocarp and seed together is called pyrene.
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d) Both (A) and (B).
Explanation
Answer:(d)
Q.29
The seed can be defined as:
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a) An immature embryo protected by coats
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b) A mature ovule with a dormant embryo with enough reserve food and protective coating.
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c) A mature spore with enough reserve food and protective coatings
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d) A mature ovary with reserve food and protective coverings
Explanation
Answer:(b)
Q.30
The capacity for vegetative reproduction is found in:
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a) Leaves
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b) Roots
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c) Stem
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d) All of above
Explanation
Answer:(d)
Q.31
In a cereal grain, the single cotyledon of embryo is represented by:
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a) Coleoptile.
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b) Coleorhizae.
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c) Scutellum.
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d) Prophyll.
Explanation
Answer:(c)
Q.32
Potato and sweet potato:
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a) Have edible parts which are homologous organs.
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b) Have edible parts which are analogous organs.
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c) Have been introduced in India from the same place.
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d) Are two species of the same genus.
Explanation
Answer:(b)
Q.33
Which of the following is not the characteristic feature of Fabaceae?
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a) Tap root system, compound leaves and raceme inflorescence.
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b) Flowers actinomorphic, twisted aestivation and gamopetalous.
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c) Stamens , introrse, basifixed, dithecous.
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d) Monocarpellary, ovary superior and bent stigma.
Explanation
Answer:(b)
Q.34
Match the following placentation types given in column I with their examples given in column II and choose the correct combination from the options given below.
Placentation Types
Examples
A. Basal
I. Dianthus
B. Free central
II. Pea
C. Parietal
III. Lemon
D. Axile
IV. Marigold
E. Marginal
V. Argemone
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a) A → I, B → II, C → III, D → IV, E → V
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b) A → II, B → III, C → IV, D → V, E → I
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c) A → IV, B → I, C → V, D → III, E → II
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d) A → IV, B → III, C → V, D → I, E → II
Explanation
Answer:(c)
Q.35
A sterile stamen is known as
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a) staminode
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b) anther
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c) pollen grain
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d) filament
Explanation
Answer:(a)
Q.36
Which of the following groups of plants have underground stems?
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a) Potato, ginger, turmeric, Euphorbia, zaminkand
0%
b) Potato, ginger, turmeric, zaminkand, Colacasia
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c) Potato, Citrus, Opuntia, zaminkand, Colacasia
0%
d) Potato, cucumber, watermelon, zaminkand, Colacasia
Explanation
Answer:(b)
Q.37
Which of the following is not a modification of stem?
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a) Tendrils in cucumber.
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b) Thorn in legumes.
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c) Flattened green structure in cactus.
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d) Pitcher in Nepenthes.
Explanation
Answer:(d)
Q.38
In pea, the flowers are:
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a) Zygomorphic, Perigynous and Valvate aestivation.
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b) Zygomorphic, hypogynous and twisted aestivation.
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c) Zygomorphic, Perigynous and descending imbricate aestivation.
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d) Zygomorphic, Perigynous and ascending imbricate aestivation.
Explanation
Answer:(c)
Q.39
Identify the diagram ‘a’ along with the labelling b and c.
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a) (a) – Dicot seed, (b) – two cotyledons, (c) – Hypocotyls.
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b) (a) – Monocot seed, (b) – embryo, (c) – Scutellum.
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c) (a) – Monocot seed, (b) – embryo, (c) – Hypocotyls.
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d) (a) – Monocot seed, (b) – embryo, (c) – endosperm.
Explanation
Answer:(d)
Q.40
How many of the following plants have endospermous seeds? Gram, Maize, Brinjal, Castor, Groundnut, Tomato, Orchid, Cashew nut, Coconut, Moong.
0%
a) 3
0%
b) 4
0%
c) 5
0%
d) 6
Explanation
Answer:(c)
Q.41
Select the correct statements: (i) From the region of elongation, some epidermal cells form root hairs. (ii) Pneumatophores are seen in Rhizophora. (iii) Adventitious roots are seen in the banyan trees. (iv) Maize and sugarcane have prop roots.
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a) (i) and (iv).
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b) (i), (iii) and (iv).
0%
c) (iii) and (iv).
0%
d) (ii) and (iii).
Explanation
Answer:(d)
Q.42
In unilocular ovary with a single ovule, the placentation is:
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a) Marginal.
0%
b) Basal.
0%
c) Free central.
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d) Axile.
Explanation
Answer:(b)
Q.43
Prickles of rose are:
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a) Modified leaves.
0%
b) Modified stipules.
0%
c) Exogenous in origin.
0%
d) Endogenous in origin.
Explanation
Answer:(c)
Q.44
The character of flower which is represented by floral formula but not by floral diagram is
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a) aestivation
0%
b) placentation
0%
c) position of gynoecium
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d) adhesion of stamen
Explanation
Answer:(c)
Q.45
The given figure shows the parts of flowering plant. Which parts of the given figure were involved in the following functions?Storing reserve food materialSynthesis of plant growth regulators.Absorption of water and minerals from the soil.Providing a proper anchorage to the plant parts
0%
a) 5 and 6
0%
b) 1, 2 and 6
0%
c) 1, 2, 3 and 4
0%
d) 2, 4, 5 and 6
Explanation
Answer:(a)
Q.46
Matching column I with column II and choose the correct option.
Column I
Column II
A. Coleorhiza
I. Grapes
B. Food storing tissue
II. Mango
C. Parthenocarpic fruit
III. Maize
D. Single seeded fruit developing from monocarpellary superior ovary
IV. Radicle
E. Membranous seed coat
V. Endosperm
0%
a) A → III, B → I, C → IV, D → II, E → V
0%
b) A → IV, B → II, C → V, D → I, E → III
0%
c) A → V, B → I, C → III, D → IV, E → II
0%
d) A → IV, B → V, C → I, D → II, E → III
Explanation
Answer:(d)
Q.47
S: leaf to prepare food by carrying out photosynthesis R: Leaf to arrange gaseous exchange for respiration
0%
a) S and R both are true, where R is definition of S
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b) S and R both are true, where R is not reason of S
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c) S is true, R is false
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d) S is false , R is true
Explanation
Answer:(b)
Q.48
Root pockets present in root apex are seen in:
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a) Eichhornia.
0%
b) Maize.
0%
c) Wheat.
0%
d) Bean.
Explanation
Answer:(a)
Q.49
Pentamerous, actinomorphic flowers, Bicarpellary ovary with oblique septum and fruit of capsule or berry belongs to family:
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a) Lilliaceae.
0%
b) Brassicaceae.
0%
c) Solanaceae.
0%
d) Fabaceae.
Explanation
Answer:(c)
Q.50
In tetradynamous stamens:
0%
a) Two outer stamens are shorter and four inner stamens are longer.
0%
b) Four outer stamens are shorter and two inner stamens are longer.
0%
c) All stamens are equally long.
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d) None of the above.
Explanation
Answer:(a)
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